Marietta was given a raise of $0.75 per hour, which gave her a new wage of $12.25 per hour. Write and solve an equation to determine Marietta’s hourly wage before her raise. Show that your answer is reasonable.

Answers

Answer 1
12.25-.75=11.50
The answer is reasonable because .75 is around a dollar and the final answer is about a dollar off new wage

Related Questions

A coffee pot holds 2 3/4 quarts of coffee. How much is this in cups?

Answers

the answer  is 11 us cups

what is the y intercept of c=0.05m+4.95

Answers

The y intercept is where m=0. Hence, set m=0 and solve for c:
c=0.05(0)+4.95
c=4.95

The crime rate in New York City has been steadily dropping over the past decades. In 1970, the murder rate was 15.8 per 100,000 people. In 2012, it had dropped to 3.5 per 100,000 people. What was the rate of decline?

Answers

[tex]\bf slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{{{ f(x_2)}}-{{ f(x_1)}}}{{{ x_2}}-{{ x_1}}}\impliedby \begin{array}{llll} average\ rate\\ of\ change \end{array}\\\\ -------------------------------[/tex]

[tex]\bf \begin{array}{ccll} \stackrel{period}{year}&\stackrel{per~10000}{crime}\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 1970&15.8\\ 2012&3.5 \end{array} \implies \cfrac{f(b)-f(a)}{b-a}\implies \cfrac{3.5-15.8}{2012-1970}\implies -\cfrac{12.3}{42} \\\\\\ -0.2929\frac{\stackrel{per~10000}{crime}}{year}[/tex]

What number represents the most accurate estimation of 65+77

Answers

140 would be the answer. This is because the real answer is 142 you round down to get the estimated answer
the answer is 142. that's the answer.

Liem is 6 feet 2 inches, Eli is 5 feet 9 inches, Faith is 6 feet, and Simon is 5 feet 4 inches. In yards, what is the total of their heights?

Answers

I believe 7.75 yards

Ian is 10 years old, how many candles has Ian had on all of his birthday cakes. Remember he has had 10 cakes

Answers

if he had a number of candles based on how old he was turning i would say he had 55 candles 

Is the difference of two rational numbers always rational? Explain

Answers

The product of two integers is an integer; the difference of two integers is an integer; a rational is defined as one integer divided by another non-zero integer. 

the diference of two numbers is always rational

The formula for the circumference of a circle is C=3.14 multiplied by the radius Determine the circumference when the radius r is 10 cm.

Answers

C = 3.14 × r
r = 10 cm
C = 3.14 × 10 = 31.4 cm

Hope it helped!

Add integer help just explain

Answers

Since -6 +6 can be rearranged to 6-6 using the communicative property, we get 6-6 =0 . In addition, -120+(-6) is essentially having -120+ 1*(-6), and 1 times a number is simply that number, so we have -120-6=-126

if half of a loaf of bread is cut into six equal slices, what fraction is each slice of the original loaf?

Answers

1/2 times 1/6
= 1/12

Each slice is 1/12 of the original loaf.

The sales tax for an item was $24.50 and it cost $350 before tax. Find the sales tax rate.

Answers

Find the number that when multiplied with 350 will give you 24.5. This number happens to be .07 or in terms of sales tax, 7%.

To determine the sales tax rate, divide the sales tax amount by the item's pre-tax cost and convert to a percentage, yielding a 7% sales tax rate for this scenario.

To find the sales tax rate, you need to divide the amount of sales tax by the cost before tax and then convert it to a percentage. For an item that cost $350 before tax and had a sales tax of $24.50:

Divide the sales tax ($24.50) by the cost before tax ($350): $24.50 \/ $350 = 0.07.

Convert the decimal to a percentage: 0.07 x 100 = 7%.

Therefore, the sales tax rate for the item is 7%.

Lisa's coffee shop makes a blend that is a mixture of two types of coffee type A coffee cost Lisa $4.50 per pound and type B coffee cost $5.50 per pound. This month's blend uses three times as many pounds of type B coffee as type A, for a total cost of $634.50. How many pounds of type a coffee were used?

Answers

141 type a coffees 2326.50 type b coffees

The number of pounds of coffee used is 30 pounds.

Given data:

Let x be the number of pounds of type A coffee used.

Since the blend uses three times as many pounds of type B coffee as type A, the number of pounds of type B coffee used is 3x.

The cost of type A coffee is $4.50 per pound, so the cost of x pounds of type A coffee is 4.50x dollars.

The cost of type B coffee is $5.50 per pound, so the cost of 3x pounds of type B coffee is 5.50 * 3x = 16.50x dollars.

The total cost of the blend is $634.50, so the equation is:

4.50x + 16.50x = 634.50

Combine like terms:

21x = 634.50

On solving for x:

x = 634.50 / 21

x = 30

Hence, 30 pounds of type A coffee were used in the blend.

To learn more about equations, refer:

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Train A and train B leave a central station at the same time. They travel the same speed, but in opposite directions, with train A heading towards station A, and train B heading towards station B. Train A reaches station A after 212 h. Train B reaches station B after 4 h. Station A and Station B are 585 mi apart. What is the rate of the trains?

Answers

recall your d  = rt, distance = rate * time

so, keeping in mind that both trains are going at the same speed, say speed of "r" mph, after 212 hours A arrived at station A and after 4 hours, B arrived at station B.

now, the distance covered by train A is say "d", we know both stations are 585 miles apart, so, if train A covered "d" miles in those 212 hours, then train B covered the slack from 585 and d, that is "585 - d".

[tex]\bf \begin{array}{lccclll} &\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\ &------&------&------\\ \textit{Train A}&d&r&212\\ \textit{Train B}&585 - d&r&4 \end{array} \\\\\\ \begin{cases} \boxed{d}=212r\\ 585-d=4r\\ ----------\\ 585-\boxed{212r}=4r \end{cases} \\\\\\ 585=216r\implies \cfrac{585}{216}=r\implies \cfrac{65}{24}=r\implies \stackrel{mph}{2\frac{17}{24}}=r[/tex]

I just had the same question on a test and the answer was 90 MPH. Hope this helps somebody!

Remove the parentheses from the following expression and combine like terms. 3(ax + b2 - c) + 2

Answers

To remove the parentheses, you just distribute. 
So, it will become 3ax + 3b^2 - 3c +2. I don't think there is any like term in this expression. 

Answer:

[tex]3ax+3b^2-3c+2[/tex]

Step-by-step explanation:

We have been given an expression [tex]3(ax+b^2-c)+2[/tex]. We are asked to remove the parenthesis and combine like terms for our given expression.

Using distributive property [tex]a(b+c)=ab+ac[/tex], we will get:

[tex]3*ax+3*b^2-3*c+2[/tex]

[tex]3ax+3b^2-3c+2[/tex]

We can see that our given expression don't have like terms, therefore, our expression would be [tex]3ax+3b^2-3c+2[/tex].

For what value(s) of x is g continuous? g(x) = 0 if x is rational 4x if x is irrational x is in the set of real numbers x = 4 x = −4 x = 0 none of these

Answers

when you move the x to the other side it should be easier to solve for the irrational question.

Final answer:

The function g(x), being different for rational and irrational numbers, is nowhere continuous on the set of real numbers because it cannot satisfy the condition for continuity at any point.

Explanation:

We are asked to determine for what values of x the function g(x) is continuous. The function is defined to be 0 if x is rational, and 4x if x is irrational, over the set of real numbers. First, let's understand a key concept: for a function to be continuous at a point, the limit of the function as it approaches the point from either direction must be equal to the function's value at that point. In the case of g(x), the function takes the value of 0 for all rational numbers, but instantly changes to 4x for irrational numbers which are densely populated around every rational number.

Since the value of g(x) for rationals (0) is different from the nearby values for irrationals (which would be non-zero and depend on x), g(x) does not have a limit that equals its value at rational points and thus cannot be continuous at any rational number. Moreover, at irrational values of x, we cannot have continuity either, as any neighborhood around an irrational number contains rational numbers where g(x) would suddenly jump to 0, disrupting the limit process once again.

Therefore, the function g(x) is nowhere continuous on the set of real numbers since it cannot satisfy the condition for continuity at any point. Hence, the correct answer to the given question is 'none of these'.

which values are equivalent to the fraction below 3^6/3^8

Answers

[tex] \frac{3^{6}}{3^{8}} = 3^{6-8} = 3^{-2} = \frac{1}{ 3^{2} } = \frac{1}{9} [/tex]

The total area of this shape is 44 square inches. The area of the triangle is 20 square inches. Write and solve an equation to find the area of the rectangle

Answers

44-20=20 square inches

Answer:

The equation is:  x + 20 = 44

The area of the rectangle is 24 inches.

Step-by-step explanation:

The total area of the shape is 44 square inches.

The area of the triangle is 20 square inches.

We need to find the area of the rectangle.

Total area = Area of the triangle + Area of the rectangle.

Let "x" be the area of the rectangle.

So the equation is

44 = 20 + x

This can be written as x + 20 = 44

Now let's find the value fo x.

Subtract 20 from both sides, we get

x + 20 - 20 = 44 - 20

x = 24 square inches.

Therefore, the area of the rectangle is 24 inches.

Pre Calc question please help!

Answers

see attached picture for answer:

the sum of three consecutive even numbers is 42. The sum can be represented by the equation n+(n+2)+(n+4)=42. what does n represent

Answers

if you simplify the equation by adding the like terms, you get 3n+6=42
Then you can subtract 6 from each side
3n=36
Divide each side by 3
n=12

IT TAKES YOU 15 MINUTES TO BIKE 5 MILES. HOW LONG DOES IT TAKE YOU TO BIKE 1 MILE

Answers

It would take 3 minutes to bike 1 mile
15 minutes : 5 miles
15/5 minutes : 5/5 miles .... divide both parts by 5
3 minutes : 1 mile

Answer: 3 minutes

Round to the nearest hundred thousand
89, 659

Answers

it would be 100,000 because 89 is closer to 100

Answer:

The nearest hundred thousand of the provided number is 100,000.

Step-by-step explanation:

Consider the provided number 89, 659

According to place value.

Hundred Th.   Ten Th.   Thousands   hundreds   Tens   Ones

   100,000       10,000        1000             100           10         1

We need to round it to the nearest hundred thousand.

The provided number can be written as 089,659

The digit at the hundred thousand place is 0.

The rule of rounding a number is:

If 0, 1, 2, 3, or 4 follow the number, then no need to change the rounding digit.

If 5, 6, 7, 8, or 9 follow the number, then rounding digit rounds up by one number.

Here, the number at the ten thousands place is 8, so to round up the number increase the digit of hundred thousand place by 1.

The digit at the hundred thousand place is 0 so increase it by 1.

Thus, the number can be rounded to the nearest hundred thousand is shown as:

100,000

The nearest hundred thousand of the provided number is 100,000.

How are the numbers 579 and 597 different

Answers

The 79 and 97 are flipped. 597 is a greater value than 579.

597 is a greater value than 579.

What is the number pattern?

A number pattern is a pattern in a series of numbers that represents the common relationship between the numbers.

Rounding some number to a specific value is making its value simpler mostly done for better readability or accessibility.

Rounding to some place keeps it accurate on the left side of that place but rounded or sort of like trimmed from the right in terms of exact digits.

We have to find How are the numbers 579 and 597 different to each other.

As we can see that the last two digit of the numbers 79 and 97 are flipped.

We know that 97 is greater than 79.

Therefore, 597 is a greater value than 579.

Learn more about a number pattern:

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how do i find the range and domain? please leave detailed steps because i'm struggling with this :(

Answers

check the picture below.

so, mount Rainier is 5400 feet above sea level, and the hiker is going from there, to mount Muir.

now, at 0 hours, the hiker is 5400 feet above sea level, because is on mount Rainier, and every "t" hour passing by, she's going up, according to the equation, 1000 feet, so she does 1000 feet every passing hour.

the domain, INPUT, is from 0, up to whatever long it takes her to get to mount Muir, so from 5400 to 10,100 is 4700 feet, now, she does 1000 every hour, so is 4 hours and 0.7 or 42 minutes, so she'd take 4 hours and 42 minutes.

So the domain will be, from the time she starts at 0 up to 4.7 hours or 4hr and 42mins later.  And in interval notation [0, 4.7].

The range, is how much she went up, well, we checked the difference already, is 4700 feet, so it went from 5400 to 10,100, so the range is just that, 4700 feet, or in interval notation [5400, 10,100]

Is 0.5 equal to 9/18

Answers

Yes because 0.5 into fraction is 5/10 then you can simplify it by 5 then the answer would be 1/2. For 9/18 you need to simplify it which is 1/2
yes, 9/18 simplified equals 1/2 which is 0.5 as a decimal

A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the standard deviation of the sampling distribution of sample mean equals:

Answers

Theirs alot of people in this world so watch out.

How much greater is 98×50 than 97×50 with actual calculating it

Answers

98 is greater than 97 so 98x50 is greater than 97x50

Analyze each product in the table.

A. Why is the first product less than 3/4?
B. Why is the second product equal to 3/4?
C. Why is the third product greater than 3/4?

Answers

A because you are multiplying 3/4 by 1/2, you make the product smaller than 3/4

B beacue any number multiplied by one remains that number, since you are multiplying 3/4 by 1 it will remaim 3/4

C because the number multiplied by 3/4 is larger than 1 ( 3/2 = 1 1/2) the product will be larger than 3/4

Out of 25 students in mrs. Green class 19 have a pet what percent of students in mrs. Green class don't have a pet

Answers

25 is our base, so, we need to find out what 19 out of 25 is what percentage. Let's just start with something a little small, like 30%
(We can experiment with different percentages using our trusty calculator)

30% of 25 = 7.5

We are way off, we need to bring it a bit higher if it is to reach 19. Let's try 67%

67% of 25 = 16.75

Not quite but close, lets try something a bit higher, like 76%.

76% of 25 = 19

So, 19 out of 25 is 76% all we need to do now is subtract that from 100 to get the remaining percentage.

100 - 76 = 24


24% of the students don't have a pet. :D
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Use distributive property and mental math to find the product

7x49

Answers

we remember that the distributive propert is a(b+c)=ab+ac

2 ways we can do this is to write 49 as either 40+9 or 50-1

if we do 40+9
7(49)=7(40+9)=7(40)+7(9)=280+63=343

if we do 50-1
7(49)=7(50-1)=7(50)+7(-1)=350-7=343

600 can be written as 2a x b x cd where a,b,c and d are all prime numbers find the values of a, b, c and d

Answers

The prime factorisation of 600 is given by

[tex]600 = 2 \times 2 \times 2 \times 3 \times 5 \times 5 = 2^3 \times 3 \times 5^2[/tex]

Therefore, a = 3, b = 3, c = 5 and d = 2.

600 can be written as [tex]\(2^3 \times 3^1 \times 5^2\)[/tex], where 2, 3, and 5 are prime numbers.

To express 600 as the product of prime numbers, we'll use prime factorization.

Prime factorization involves breaking down a number into its prime factors.

Here's how we can do it:

Step 1 :

**Start with the smallest prime number, 2:**

  [tex]\( 600 \div 2 = 300 \)[/tex]

  [tex]\( 300 \div 2 = 150 \)[/tex]

  [tex]\( 150 \div 2 = 75 \)[/tex]

Step 2 :

**Next, continue with the next smallest prime number, 3:**

  [tex]\( 75 \div 3 = 25 \)[/tex]

  [tex]\( 25 \div 5 = 5 \)[/tex]

Step 3 :

**Now, we can't divide further by smaller prime numbers, so we try dividing by the next smallest prime, 5:**

  [tex]\( 5 \)[/tex] is already a prime number.

Step 4 :

**There are no more prime factors to consider, so we stop.**

Now, let's write down the prime factors we obtained:

[tex]\[ 600 = 2 \times 2 \times 2 \times 3 \times 5 \times 5 \][/tex]

So, [tex]\( a = 2 \), \( b = 2 \), \( c = 3 \), and \( d = 5 \).[/tex]

Therefore, we can write:

[tex]\[ 600 = 2 \times 2 \times 2 \times 3 \times 5 \times 5 \][/tex]

Thus, [tex]\( 600 \)[/tex] can be written as [tex]\( 2^3 \times 3^1 \times 5^2 \)[/tex], where [tex]\( 2, 3, \) and \( 5 \)[/tex] are all prime numbers.

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