Answer:
She would have to do 219 haircuts in a month for the costs to be the same, which would be $428.
Step-by-step explanation:
To find this we take the costs of the first place.
$438
Next we can look at the costs of the second place using x as the number of haircuts she'd do.
2x
Now we can set the two equal to each other to find the number of cuts.
438 = 2x
219 = x
Carrie would pay $438 and perform 219 haircuts each month.
Explanation:To find out how much Carrie would pay and how many haircuts that would be, we need to set up an equation.
Let's assume the number of haircuts per month is x.
For self-employment at The Belmont Salon, Carrie would pay a fixed monthly rent of $438, so her total cost would be $438.
For the franchise option, Carrie would pay $2 for every haircut. So the total cost would be 2x.
Setting up the equation: 438 = 2x
To solve for x, we divide both sides of the equation by 2:
x = 438 / 2 = 219
Therefore, Carrie would pay $438 and perform 219 haircuts each month.
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A van travels 240 miles on 20 gallons of gas. How far does it travel per gallon? Carlos installed 24 wooden cabinets in 8 days. On the average, how many cabinets did he install each day? Which is a better buy—100 sheets of binder paper at $2.50, or 150 sheets at $3.50? Julie is trying to choose between two packs of cookies. Pack A has 36 cookies for $5.90. Pack B has 24 cookies for $4.10. Which pack has cheaper cookies? Anita is offered two summer jobs. One is in retail and pays $500 for a 40-hour work week. The other job is at a restaurant and pays $12 an hour. Which job has a higher hourly rate?
Answer:
van : 12 miles per gallon
cabinets: 3 cabinets a day
retail job for $500
Step-by-step explanation:
van: 240 miles/20 gallons = 12 miles per gallon
cabinets: 24/8= 3
jobs: $500 for 40 hours and $12 times 40 hours gets you $480
first job pays $20 bucks more
Ques 1)
A van travels 240 miles on 20 gallons of gas.
This means that 20 gallons of gas is used to travel 240 miles.
This means that:
1 gallon of gas is used to travel :
[tex]\dfrac{240}{20}=12\ miles[/tex]
Hence, it travels 12 miles per gallon.
Ques 2)
Carlos installed 24 wooden cabinets in 8 days.
i.e. in 8 days he install 24 cabinets
This means in 1 day he will install
[tex]\dfrac{24}{8}=3\ cabinets[/tex]
On the average, he will install 3 cabinets each day.
Ques 3)
100 sheets cost $ 2.50
This means that cost of 1 sheet is: $ 0.0250
( since, [tex]\dfrac{2.50}{100}=0.0250[/tex] )
150 sheets at $3.50
This means that cost of 1 sheet is: $ 0.0233
( since, [tex]\dfrac{3.50}{150}=0.02333[/tex] )
This means that the cost per sheet is cheaper in the buy:
150 sheets at $3.50.
Ques 4)
Pack A has 36 cookies for $5.90.
This means that cost of 1 cookie is: $ 0.16388 )
( since, [tex]\dfrac{5.90}{36}=0.16388[/tex] )
and Pack B has 24 cookies for $4.10.
This means that cost of 1 cookie is: $ 0.170833
( since, [tex]\dfrac{4.10}{24}=0.170833[/tex] )
The cost per cookie is cheaper in Pack A.
Hence, the pack which has cheaper cookies is: Pack A.
Ques 5)
One is in retail and pays $500 for a 40-hour work week.
This means that the payment for 1 hour is: $ 12.5
( since, [tex]\dfrac{500}{40}=12.5[/tex] )
The other job is at a restaurant and pays $12 an hour.
This means that the job which has a higher hourly rate is:
In retail which pays $500 for a 40-hour work week.
( since 12.5>12 )
A pizza delivery worker purchased a used motor scooter that had been driven 12,100 miles. He drives the motor scooter only on days he is working, during which he drives an average of 50 miles per day. After d days of pizza delivery, the motor scooter has been driven a total of 25,000 miles. Which of the following equations best models this situation?
Final answer:
The equation that best models the situation of the pizza delivery worker's scooter mileage is 50d = 12,900, where d represents the number of days worked.
Explanation:
The question asks us to find out which equation best models the situation where a pizza delivery worker drives a certain number of miles after d days of pizza delivery. To start, the worker bought a scooter with 12,100 miles on it. Each day of work he adds 50 miles to the total. After d days of delivery, the total miles driven on the scooter equals 25,000. We are looking for an equation that represents this scenario.
The total mileage on the motor scooter after d days can be calculated by the initial mileage plus the product of the number of days and the average miles driven per day. Mathematically, this is represented by:
12,100 miles + 50 miles/day × d days = 25,000 miles
To find the equation that models this situation, we subtract 12,100 from both sides to isolate the term with d on one side:
50d = 25,000 - 12,100
So, the equation that models this situation is:
50d = 12,900
which property is illustrated (m+7.3)+4.1=m+(7.3+4.1)
The property in expression is Associative property.
What are addition property?The characteristics of addition specify the possible methods for adding the given integers. One of the fundamental arithmetic operations in mathematics is "addition." The process of adding items together is called addition. The "+" symbol is used to add the two numbers together. The numbers we will add are referred to as "addends," and the outcome will be referred to as "sum." Any two or more digit numbers, known as addends, are used in the addition process.
Given expression
(m + 7.3) + 4.1 = m + (7.3 + 4.1)
this shows
(A + B) + C = A + (B + C)
this is associative property,
According to this property or law, the addition of three integers yields the same result regardless of how the numbers are arranged. It means that even if the order of the addends is modified while adding three or more numbers, the total or sum will remain the same.
Hence the expression follows associative property.
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HELP!! ANSWER IF YOU KNOW!
Which expression is equal to (3 × 5) × 4?
A) (3 + 5) × 4
B) (3 × 5) + 4
C) 3 × (5 × 4)
D) (3 × 5) + (3 × 4)
Answer: C
Step-by-step explanation:
Makes sense
Answer: C. 3* (5*4)
Step-by-step explanation:
(3*5)*4=60
(3+5)*4=32
3*(5*4)=60
(3*5)+(3*4)=27
(3*5)+4=19
3*(5*4)=60=(3*5)*4
which of these characteristics do a rhombus and a rectangle always have in common
Answer:
A rhombus and a rectangle are both paralellograms and both have 4 sides.
Step-by-step explanation:
Imageine a rhombus as a rectangle that you have partally squished. It is still a parallellogram, and it still has four sides, it's just not 90 degree angles anymore.
Answer:
they are both quadrilaterals and have 4 vertices
Step-by-step explanation:
Consider the piecewise-defined function given by the graph. What are these values?
A) f(–3) =
B) f(–1) =
C) f(3) =
Answers:
f(-3) = -1
f(-1) = 2
f(3) = 5
======================================
Explanations:
Draw a vertical line through -3 on the x axis. Make sure this vertical line crosses the orange graph. Mark this point of intersection and then draw a horizontal line from this point to the y axis. You should find that it touches -1 on the y axis. Check out the attached image to see this process in action.
Those steps basically say that x = -3 leads to y = -1. Since y = f(x), this means f(-3) = -1
Through similar steps, you should find that f(-1) = 2 and f(3) = 5
Note that the open hole/circle does not count. So if you land on an open hole, just keep going until you hit a closed circle on the other piece of the graph.
A) f (–3) = -1
B) f (–1) = 2
C) f (3) = 5
Further explanationStraight-line equations are mathematical equations that are described in the plane of cartesian coordinates
General formula
y-y1 = m (x-x1)or
y = mx + c
Where
m = straight-line gradient which is the slope of the line
x1, y1 = the Cartesian coordinate that is crossed by the line
c = constant
The formula for a gradient (m) between 2 points in a line
m = Δy / Δx
or we can use:
[tex]\rm \dfrac{y-y_1}{y_2-y_1}=\dfrac{x-x_1}{x_2-x_1}[/tex]
Piecewise Functions: functions that have different equations based on the input (x) value
We look for 3 pieces of function from the graph
1. graph 1 is a straight line that passes through 2 points : (-4.0) and (-1, -3) so that the straight line equation:
[tex]\rm \dfrac{y-0}{-3-0}=\dfrac{x+4}{-1+4}\\\\\dfrac{y}{-3}=\dfrac{x+4}{3}\\\\3y=-3(x+4)\\\\3y=-3x-12\\\\y=-x-4\Rightarrow \:for\:x<-1[/tex]
2. graph 2 is a straight line with the equation: \
[tex]\rm y=2\Rightarrow \:for\:-1\leq x<3[/tex]
3. graph 1 is a straight line that passes through 2 points, (3.5) and (5.1) so that the straight line equation :
[tex]\rm \dfrac{y-5}{1-5}=\dfrac{x-3}{5-3}\\\\\dfrac{y-5}{-4}=\dfrac{x-3}{2}\\\\2(y-5)=-4(x-3)\\\\2y-10=-4x+12\\\\2y=-4x+22\\\\y=-2x+11\:\Rightarrow for\:x\geq 3[/tex]
A function made up of 3 pieces:
a solid dot means "including",
an open dot means "not including"
[tex]\rm y=-x-4\:for\:x<-1[/tex]
[tex]\rm y=2\:for\:-1\leq x<3[/tex]
[tex]\rm y=-2x+11\:for\:x\geq 3[/tex]
A) f (–3) =
Because -3 <-1, the function used is y = -x-4, so
f (-3) = - (- 3) -4
f (-3) = 3-4
f (-3) = -1
B) f (–1) =
Because x = -1, the function used y = 2, so
f (-1) = 2
C) f (3) =
Because x = 3, the function used is = -2x + 11, so
f (3) = -2 (3) +11
f (3) = -6 + 11
f (3) = 5
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Collin needs 300 tickets to win a coloring book at the arcade.He already has 124 tickets.How many more tickets does he need?
Answer:
300-124=176
I think this is corroct
Help me with this question please.
Answer:
Essence is 140 flyers per hour
Raizon is 80 flyers per hour
Step-by-step explanation:
In essence (if you see what I did there) a unit rate (strictly in this context) is how much work is done for 1 hour of time. To find this, we simply divide the number of flyers by the number of hours of worked.
So, for Essence:
[tex]\frac{420}{3} = 140[/tex]
The units for this problem will be flyers per hour. So, Essence has a unit rate of 140 flyers per hour.
For Raizon:
[tex]\frac{640}{8} = 80[/tex]
Raizon has a unit rate of 80 flyers per hour.
Find the sum of 10(E)(i=3) 2i-9
The sum represented by the notation [tex]\sum\limits^{10}_{i=3} {2i - 9[/tex] is 32
How to determine the sum represented by the notation
From the question, we have the following parameters that can be used in our computation:
[tex]\sum\limits^{10}_{i=3} {2i - 9[/tex]
This means that we determine the value of the expression from i = 3 to i = 9 and then add them up
So, we have
2(3) - 9 = -3
2(4) - 9 = -1
2(5) - 9 = 1
2(6) - 9 = 3
2(7) - 9 = 5
2(8) - 9 = 7
2(9) - 9 = 9
2(10) - 9 = 11
Evaluate the sum
Sum = -3 - 1 + 1 + 3 + 5 + 7 + 9 + 11
Sum = 32
Hence, the sum represented by the notation is 32
Question
Find the sum of [tex]\sum\limits^{10}_{i=3} {2i - 9[/tex]
find the exact value of x please help
ΔABC and ΔACD are similar. Therefore the sides are in proportion:
[tex]\dfrac{x}{4}=\dfrac{4}{2}[/tex]
[tex]\dfrac{x}{4}=2[/tex] multiply both sides by 4
[tex]\boxed{x=8}[/tex]
PLEASE HELP MEEEEEE!!!!!!!
Answer:
Answer is explained down below.
Hope this helped, brainliest?
Step-by-step explanation:
Not exactly sure if there are other questions included, but to fill out the table im assuming you break up the hours and miles.
Jamal hiked 6 miles in 3 hours, first block would be 1.5miles in 45 minutes, 2nd block would be 3miles in 1hour 30minutes, 4.5miles in 2hours 15minutes, and last 6 miles in 3 hours.
For rubi it would be 2.5miles, 5miles, 7.5miles, 10miles. the time would be 1 hour, 2 hour, 3 hour, 4 hour.
If this isnt what it is asking please provide more info and i'll help
Your friend wants to pay off his credit card with a balance of $880.00 and an interest rate of 16.65% APR by getting a loan from you. You agree to the loan, but insist your friend pay you interest of 3.25% APR. Your friend agrees. How much interest does your friend save at the end of the first month by paying you instead of the credit card?
a) $12.55
b) $11.12
c) $9.83
d) $19.78
Answer: $9.83
Step-by-step explanation:You need to calculate
($880/month)(.1665)(1/12) = $12.21
($880/month)(.0325)(1/12) = $2.38
Difference = $12.21 - $2.38 = $9.83
The Interest does your friend save at the end of the first month by Paying you instead of Credit Card is dollar 9.83.
What is Simple Interest?
''Simple Interest is a fee paid for borrowing money. The amount borrowed is called Principal the interest is expressed as a Percentage Rate of the Interest".
What is Rate of the Interest?
"Rate of the Interest is the amount a lender charges a borrower and is a Percentage of the Principal - the amount loaned".
According to the question
Credit Balance is taken as Principal(P) = $880.00
Rate of Interest = 16.65%
Number of years = [tex]\frac{1}{12}[/tex]
Formula for Simple Interest = [tex]\frac{pnr}{100}[/tex]
Simple Interest= [tex]\frac{(880)(1)(16.65)}{(12)(100)}[/tex]
= 12.21
Friend Pay you of Rate of Interest = 3.25%
Formula for Simple Interest is= [tex]\frac{pnr}{100}[/tex]
=[tex]\frac{(880)(1)(3.25)}{(12)(100)}[/tex]
= 2.38
In order to find the saving money make if Difference between Simple Interest paid at rate of interest 16.65% and Simple Interest paid at rate of Interest 3.25%
= 12.21 - 2.38
= 9.83
Hence, the Interest save at the end of the first month by paying you instead of the credit card $9.83.
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Simplify. 18−−√
36√
23√
32√
29√
Answer:
Option C.
Step-by-step explanation:
The given expression is
[tex]\sqrt{18}[/tex]
We need to find the most simplified form of the given expression.
The given expression can be rewritten as
[tex]\sqrt{2\times 3\times 3}[/tex]
[tex]\sqrt{2\times 3^2}[/tex]
Using the properties of radical expression, we get
[tex]\sqrt{2}\times \sqrt{3^2}[/tex] [tex][\because \sqrt{mn}=\sqrt{m}\sqrt{n}][/tex]
[tex]\sqrt{2}\times 3[/tex]
[tex]3\sqrt{2}[/tex]
Therefore, the correct option is C.
find uv and plz tell me how to do it
Answer:
UV =2
Step-by-step explanation:
From the diagram
TV = x+14
TV = TU + UV
x+14 = 9+ 8+2x
Combine like terms
x+14 = 17+2x
Subtract x from each side
x-x+14 = 17+2x-x
14 = 17+x
Subtract 17 from each side
14-17 = 17+x-17
-3 =x
But we are not asked to solve for x, but for UV
UV = 8+2x
Substitute x=-3
UV = 8+2(-3)
UV = 8-6
UV =2
what is the y intercept of the line y-14=6(x-2.5)
Answer:
The y intercept is -1
Step-by-step explanation:
y-14=6(x-2.5)
We need to get the equation in the form y = mx+b where b is the y intercept
Distribut the 6
y-14 = 6x -15
Add 14 to each side
y-14+14 = 6x-15+14
y = 6x-1
The y - intercept is -1
Answer:
(0, -1)
Step-by-step explanation:
y-14=6(x-2.5)
Distributive property:
y-14 = 6 * x - 6*2.5
y-14= 6x-15
Add 14 on each side:
y-14+14=6x-15+14
Simplify:
y=6x-1
In the form y=mx+b (slope-intercept form, as shown above), the y-intercept is (0, b). b is -1.
35/23 improper fraction
35/23 is an improper fraction because the numerator is larger than the denominator.
To convert to a mixed number, use long division to find 35 into 23 goes in exactly one whole time (quotient) and there is 12 leftover (remainder)
You can see it through doing it like this
35/23 = (23+12)/23 = 23/23 + 12/23 = 1 + 12/23 = 1 & 12/23
So in short, 35/23 = 1 & 12/23
1 & 12/23 is a mixed number with 1 as the whole part and 12/23 as the fractional part.
---------------------
Real life example: if you had 35 cookies and 23 friends, then each friend would get 1 whole cookie. There would be 12 cookies left over.
The question involves understanding improper fractions, specifically 35/23. This fraction is already improper as the numerator is larger than the denominator and it cannot be simplified further.
The student's question pertains to converting an improper fraction, which in this case is 35/23. To clarify, an improper fraction is one where the numerator (the top number) is larger than the denominator (the bottom number). This type of fraction represents a quantity greater than one whole. The student's example already is an improper fraction.
There is no further calculation needed unless the goal is to convert it to a mixed number or to its simplest form, which cannot be done in this case since 35 and 23 have no common factors besides 1.
A restraint has one type of lemonade that is 12% sugar and another that is 7% sugar. How many gallons of each type does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar?
Answer:
D
Step-by-step explanation:
I have answers to whole packet:
1.D
2.A
3.C
4.D
5.C
6.D
7.A
8.C
9.A
10.B
11.A
12.A
13.A
14.B
15.A
16.B
17.A
18.A
19.B
20.C
21.A
22.A
23.D
24.B
What are the zeros of the function? What are their multiplicities?
f(x)=3x^3-9x^2+6x
a. the numbers 2, 1, and 0 are zeros of multiplicity 1
b. the numbers 2, 1, and 0 are zeros of multiplicity 2
c. the numbers -2, -1, and 0 are zeros of multiplicity 2
d. the numbers -2, -1, and 0 are zeros of multiplicity 1
Answer:
THE ANSWER IS (A)
Step-by-step explanation:
BECAUSE I'M IN YOUR SCHOOL AND IN YOUR CLASS SO I KNOW
What is One fourth the difference of 16 and a number? Which expression represents the phrase:
1/4 (16-x)
1/4 (x+16)
1/4 (x-16)
4 (x-16)
Answer:
[tex]\frac{1}{4} (16-x)[/tex]
Step-by-step explanation:
Let the number be x
difference of 16 and a number =[tex]16-x[/tex]
one fourth the difference of 16 and a number =[tex]\frac{1}{4} (16-x)[/tex]
Answer:
The expression represents the phrase is [tex]\frac{1}{4}[/tex] (16-x)
Step-by-step explanation:
Let the number is 'x'
The difference of 16 and a number is
16-x
The one fourth the difference of 16 and a number is
[tex]\frac{1}{4}[/tex] (16-x)
Hence, the expression which represent the phrase is
[tex]\frac{1}{4}[/tex] (16-x)
Which value is equivalent to (see attachment)
10/9
20/3
100/9
700/3
(1-2)
3x over 10 to negative three power+12=?
Answer:
(1-2)3X/10
-1(3X)/10
-3X/10
the function m(g) provides the number of miles a car travel on g gallons of gas. The fuel tank holds 14 gallons which allows a maximum ride of 504 miles. What is domain of the function
Answer:
0<_g <_ 14 or A. If it’s the same paper
Step-by-step explanation:
Answer:
[tex]0\leq g\leq 14[/tex]
Step-by-step explanation:
The function is defined as [tex]m(g)[/tex], that is, the independent variable represents gallons, and the dependent variable represents miles, depending on the gallons of gas, the car will move certain number of miles.
Knowing the relation between the variables of the function, we also can know that the fuel tank holds 14 gallons, that is, the independent variable holds 14 units, and the independent variable is [tex]g[/tex].
Remember that the domain is the set that represents all valid values that the independent variable can take. In this case
[tex]0\leq g\leq 14[/tex]
Which means that the fuel tank can hold a maximum of 14 gallons and a minimum of 0 gallons. Therefore, the domain is
[tex]0\leq g\leq 14[/tex]
samantha has a stick that is one foot long. she cuts off 5 inches with saw. what is the length of the piece is left?
Draw a circle shade one sixth of it what percentage of the circle is shaded
Answer:
16.6%
Step-by-step explanation:
Given the rectangle ABCD, AB has a slope of 2/3, what is the slope of BC?
If ABCD is the rectangle, then AB and BC are perpendicular.
Let m₁ and m₂ - slopes of perpendicular lines. Therefore
m₁m₂ = -1 → m₂ = -1/m₁.
We have m₁ = 2/3 then m₂ = -1/(2/3) = -3/2.
Answer: The slope of BC is -3/2.The slope of BC is -3/2.
What is the Point-slope form?The equation of the straight line has its slope and given point.
If we have a non-vertical line that passes through any point(x1, y1) has gradient m. then general point (x, y) must satisfy the equation
y-y₁ = m(x-x₁)
We are given ABCD is the rectangle, then AB and BC are perpendicular.
Let m₁ and m₂ are slopes of perpendicular lines. Therefore.
m₁m₂ = -1
m₂ = -1/m₁.
We have m₁ = 2/3 then;
m₂ = -1/(2/3) = -3/2.
Hence, The slope of BC is -3/2.
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A cone and cylinder have the same height and the same base radius. If the volume of the cylinder is 81 cm^3 what is the volume of the cone in cm^3?
A) 9
B) 27
C) 78
D)243
Answer:
The volume of the cone is [tex]27cm^3[/tex]
Step-by-step explanation:
We know that formulas
Volume of cylinder is
[tex]V_1=\pi r^2 h[/tex]
Volume of cone is
[tex]V_2=\frac{1}{3}\pi r^2 h[/tex]
we are given
A cone and cylinder have the same height and the same base radius
So, both will have same radius and height
now, we can find ratios
[tex]\frac{V_2}{V_1}=\frac{\frac{1}{3}\pi r^2h }{\pi r^2h}[/tex]
now, we can simplify it
[tex]\frac{V_2}{V_1}=\frac{1}{3}[/tex]
we are given
the volume of the cylinder is 81 cm^3
so, [tex]V_1=81[/tex]
now, we can plug it and solve for V2
[tex]\frac{V_2}{81}=\frac{1}{3}[/tex]
[tex]81\times \frac{V_2}{81}=81\times\frac{1}{3}[/tex]
[tex]V_2=27[/tex]
So, the volume of the cone is [tex]27cm^3[/tex]
The volume of the cone, which has the same height and base radius as the cylinder with a volume of 81 cm³, is one-third that of the cylinder, equating to 27 cm³.
For a cone with the same height and base radius as the cylinder, the volume formula is V = ⅓πr²h, which is one-third of the volume of the cylinder. Given that the volume of the cylinder is 81 cm³, the volume of the cone can be found by dividing this value by 3, resulting in a volume of 27 cm³ for the cone. Therefore, the correct answer is B) 27 cm³.
Which expression is equivalent to (jk)l? (j + k) + l j(kl) (2jk)l (j + k)l
Answer: j(kl) I hope I helped the reason this correct is because it the expression but then the parenthesis are in a different placement.
your question is incomplete. please read below to find the missing content.
A. (j + k)
B. l j(kl)
C. (2jk)l
D. (j + k)l
(jk)l is equivalent to l j(kl)
Which describes the solutions of the equation?
The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.
A system of equations is a collection of two or more equations with the same set of unknowns. In solving a system of equations, we try to find values for each of the unknowns that will satisfy every equation in the system.
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Which set of numbers is in the solution set of the inequality x < 14?
A) {3, 7, 9, 10, 12}
B) {15, 18, 20, 21, 23}
C) {17, 21, 24, 25, 31}
D) {23, 27, 29, 30, 36}
aslo please explain
Answer:
The correct answer is A.
Step-by-step explanation:
In order for a set to be a solution set, all of the numbers in the set must satisfy the equation. In this case, we are looking to satisfy the equation x < 14. So we must be able to tell that every number in the set is less than 14. In each of the sets (except for A), there is at least one number that is greater than 14. There are no numbers greater than 14 in A.
If you schedule production of communications chips. After the chips are produced, they go to the QC department, where each chip must pass a 2 hour test. Over the past year, 5.0% of the chips have failed this test. If you wish to choose a batch size that will yield as close as possible to 1,000 good chips, on average. What is the best batch size
Answer:
A batch of 1053 chips
Step-by-step explanation:
Given that over the past year, 5% of chips fail have failed the test
This mean in every batch size selected, 5% of the chips will fail
If 5% of chips fail the test, 95% of chip pass the test
Lets assume a batch size of x number of chips
You know 95% of the chips will pass and the expected value of good chips is 1000 then
[tex]\frac{95}{100} *x=1000\\\\\\95x=100000\\\\\\x=\frac{100000}{95} \\\\\\x=1052.63\\\\\\x=1053[/tex]
Answer:
1053
Step-by-step explanation:
Ice is placed around a bowl of water to lower the temperature. The equation D=−75t+22 D = - 7 5 t + 22 shows the time, t, measured in minutes and temperature, D, measured in degrees Celsius. Which statement is correct?