Answer:
An irrational decimal is a decimal that cannot be written in fraction form
Ex: Pi or any decimal that keeps going and doesn't repeat
Step-by-step explanation:
I would give you more examples but they are all really long numbers and go on forever.
Answer:
Pi!
Step-by-step explanation:
I know it might sound silly but Pi and it's digits are part of the irrational decimal family! It's irrational because the digits of Pi seem like they never end, right? Hope this helped!
Determine whether the lines are parallel. Use slope to explain your answer. Use the graph shown below.
The slope is of the red line is ___
The slope is of the blue line is ___
The lines do/do not have the same slope so they are/are not parallel.
Please it's my third time trying to figure it out!
Answer:
red 1/2,
blue 2/5
The lines do not have the same slope so they are not parallel
Step-by-step explanation:
We can find the slope of the red line by using the formula
m = (y2-y1)/(x2-x1)
We have the points (0,1) and (2,2)
m= (2-1)/ (2-0)
= 1/2
We can find the slope of the blue line by using the formula
m = (y2-y1)/(x2-x1)
We have the points (0,-5) and (5,-3)
m= (-3--5)/ (5-0)
= (-3+5)/(5-0)
= 2/5
The lines do not have the same slope so they are not parallel
write the pair of fractions as a part of fractions with a common denominator 1/4 and 2/3
Answer:
[tex]\frac{3}{12} and \frac{8}{12}[/tex] are the fractions with common denominator
Step-by-step explanation:
fractions are 1/4 and 2/3
[tex]\frac{1}{4} and \frac{2}{3}[/tex]
To get common denominator we take LCD
LCD of 4 and 3 is 12
To get 12 in the denominator we multiply first fraction by 3 and second fraction by 4
[tex]\frac{1*3}{4*3} and \frac{2*4}{3*4}[/tex]
[tex]\frac{3}{12} and \frac{8}{12}[/tex]
I need help, I don't understand this question.
what is f(-3) if f(x)=|2x+1|+5
Answer:
f(-3) =10
Step-by-step explanation:
When given a function f(-3), they want you to substitute x=-3 into the function f(x) and solve
f(x) =|2x+1|+5
Let x=-3
f(-3) =|2 *-3+1|+5
f(-3)=|-6+1|+5
f(-3)=|-5|+5
The absolute value of -5 is positive 5 (absolute values means always positive).
f(-3)=5+5
f(-3) =10
How do you write y=4x^2 -64x -265 in vertex form
Answer:
4(x-8)^2 -521
state the gradient of the line y= 5-5x
The gradient of the line y= 5-5x is -5 which is the coefficient of 'x'. This connotes a negative slope, meaning the line descends as we move along the positive x-axis.
Explanation:The equation y = 5 - 5x represents a straight line in the xy-plane. The coefficient of 'x' in the equation represents the slope of the line. Therefore, the gradient of the line is -5. This means for every unit increase in x, y will decrease by 5 units. This negative slope suggests that the line moves downwards as the x-value increases, similar to our reference figure A1 where the slope caused a rise or fall on the vertical axis for every increase of 1 on the horizontal axis.
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PLZ HELP NEEED ASAP
Which equation shows y=−1/2x+4 is in standard form? First multiply each term by 4 to remove the fractions, 2. Then move the x value to the other side
A. 2x + y = 8
B. x+2y=−8
C. x + 2y = 8
Answer:A
Step-by-step explanation:
because standard form is ax+by=c
so multiply one half to both side and it cancancel
Jake is riding an escalator. After riding for 3 seconds, he was 25 inches above the ground. A. How many inches is Jake rising per second? B. At the rate Jake is rising, how many inches above the ground will he be after riding the escalator for 15 seconds? Justify your answer. C. The top of the escalator is 30 feet, or 360 inches, above the ground. Will Jake have reached the top 45 seconds after first getting on the escalator? Why or why not?
Jake reaches the top of the escalator because he exceeds the height of the escalator if he travels at the rate of 8.33 inches/second.
What is the unit rate?Unit rate is the ratio of two different units, with denominator as 1. For example, kilometer/hour, meter/sec, miles/hour, salary/month, etc. Arithmetic is probably the most basic and ancient branch of mathematics and is quite commonly used in our day-to-day life.
Given here: Jake reaches 25 inches above the ground in 3 seconds.
The unit rate of Jake's ascend is = 25/3
=8.33 inches/second
If Jake rides the escalator for 15 seconds then we would climb
=8.33×15
=124.95 inches
After 45 seconds Jake would have climbed =45×8.33
=374.85 inches
Thus after 45 seconds Jake reaches the top of the escalator.
Hence, Jake reaches the top of the escalator because he exceeds the height of the escalator if he travels at the rate of 8.33 inches/second.
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Can sum one help me this is my last question
Answer:
Option B is correct.
the value of discriminant is, -7
Step-by-step explanation:
Given the equation: [tex]x^2 + x +2 = 0[/tex]
To find the value of discriminant [tex]b^2-4ac[/tex]
A quadratic equation is of the form [tex]ax^2+bx+c = 0[/tex] where a, b and c are coefficient of the equation.
On comparing with given equation we have;
a = 1 , b = 1 and c = 2
then;
Discriminant = [tex]b^2-4ac =(1)^2 -4(1)(2) =1 -8 = -7[/tex]
Therefore, the value of discriminant is, -7
a number m plus 4 is greater than or equal to 7
Mr. Moore needs to share 4 ounces of red among 5 art student's. How much red paint will each student receive?
Answer:
0.8 ounces each student
Step-by-step explanation:
You divide 4 by 5 and get your response.
Answer:
.8 ounces (could be written 4/5)
Step-by-step explanation:
5 students, 4 ounces. divide ounces by students, so 4/5
Please do this 24th prblm......
Answer:
6x^2 - 4y^2 + 2x^2 + 6xy
Step-by-step explanation:
Each of the adjacent sides of the rectangle has a congruent, opposite sides. The perimeter is the sum of the lengths of the 4 sides.
P = 2(3x^2 - 2y^2) + 2(x^2 + 3xy)
P = 6x^2 - 4y^2 + 2x^2 + 6xy
24.
The perimeter of a rectangle l × w is P = 2l + 2w.
We have l = 3x² - 2y² and w = x² + 3xy. Substitute:
P = 2(3x² - 2y²) + 2(x² + 3xy) use distributive property
P = (2)(3x²) + (2)(-2y²) + (2)(x²) + (2)(3xy)
P = 6x² - 4y² + 2x² + 6xy combine like terms
P = 8x² + 6xy - 4y²PLEASE HELP! I also need an in depth explanation, not just the answer. I want to understand how to do these types of problems. How do you know which side to shade? How do you know how to graph inequalities? Thank you! Will reward the most helpful to be the brainliest!
Answer:
The correct answer option is C. y<= -4x + 25.
Step-by-step explanation:
Firstly, we will find out the equation of the line with the help of using two points (0, 25) and (-6, 49).
The slope (m) = [tex]\frac{49-25}{-6-0} =-4[/tex].
We know the standard form of the equation is [tex]y=mx+c[/tex] so the y-intercept (c) can be found by putting in the values of the slope and the coordinates of a point.
[tex]25=-4(0)+c\\\\c=25[/tex]
Therefore, the equation of the line is y = -4x + 25.
Now since the inequality is dealing with the value of y and we know that the values of y go vertically (up and down). So if we look at the graph, the shaded area includes the smaller values of y and the line is a solid one.
Therefore, the inequality will be y<= -4x + 25.
If you don't understand it this way, you can pick up a point and test the inequality.
Taking the easiest point (0, 0) to check.
0 <= -4 (0) + 25
0 <= 25 --- True
You can buy 3 apples at the Quick Market for $1.29.You can buy 5 of the same apples from the Stop and Save for $2.50.Which place is the better buy?
Answer: Quick market
Step-by-step explanation:
At quick market each apple is .43 each
At Stop and Save they are .50 each
Write the fact family for 1 , 5 , and 5 ?
carlose has 38 apples .he put 8 apples in each bag.if he fills as many bags as possible ,how many apples are left.
plezz hurry
Answer:
he can fill 4 bag
i think he will have 4 or 6 left
Step-by-step explanation:
38/8= 4.75
.75/8=6
Answer:
4 bags and 6 apples
or
4.75 bags of apples
Step-by-step explanation:
First, take 38 divided by 8. You get 4.75. That means 4 bags have been filled up.
Next take 8 times 4. you get 32. then take 38-32 and you get 6.
That means there is 4 bags of apples and 6 left over. You could also say 4.75 bags are filled.
This was a different way of awnsering it so I hope this helps. This is how I do it.
the point on the graph where the line crosses the y-axis is what part of a line??
The point where the line crosses the x-axis is called the [x-intercept]. The [y-intercept] is the point where the line crosses the y-axis.
Y-intercept.
What is the cartesian plane?By calculating the separations between two perpendicular lines that pass through a fixed point in Cartesian coordinates, we may find the location of a point P. Assume that O is the fixed point known as the origin and that XOX' and YOY' are the two perpendicular lines that pass through O and are referred to as the Cartesian or Rectangular co-ordinate axes.
given, the graph crosses the y-axis A point having an x-value and a y-value, is a coordinate: (x, y). The origin is the place where the two number lines converge, and it has the following coordinates: (0, 0). The x-value is zero when the graph of a function crosses the y-axis at a value b. As a result, the point is the y-intercept (0, b).
Therefore, A line's x-intercept and y-intercept are the points at which the x- and y-axes, respectively, are crossed.
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Find the greatest common factor
6x^2y^4+18x^3y^5-12x^5y^3
Answer:
6x^2y^3
Step-by-step explanation:
6x^2y^4+18x^3y^5-12x^5y^3
Lets check the coefficients first:-
6, 18, 12 - The GCF is 6.
x terms:- x^2, x^3 and x^5 . The GCF is x^2.
y terms:- y^4, y^5 and y^3. The GCF is y^3.
Answer:
6x^2y^3
Step-by-step explanation:
6x^2y^4+18x^3y^5-12x^5y^3
Lets break each term into prime factors
6x^2y^4 =3*2*x*x*y*y*y*y
18x^3y^5 = 9*2^3y^5 = 3*3*2*x*x*x*y*y*y*y*y
12x^5y^3 = 4*3x^5y^3 = 2*2*3*x*x*x*x*x*y*y*y
Each has one 2, one 3, two x's and three y's
So the greatest common factor is
2*3*x*x*y*y*y
6x^2y^3
Bill has a swiming pool that holds 7,500,00 milliliters of water he needs to have his pool treated and the company he hired wants to know how many liters his pool has how can bill solve this
Answer:
If it was 750,000 liters it would be 750 liters
Step-by-step explanation:
Bill can solve this by first thinking that 1 liter is 1,000 milliliters. Then 1,000 times 750 equals 750,000. Then he would do 750 times 1 and get 750. Bill would then realize that 750,000 milliliters is equal to 750 liters
Please help!! What is the value of -(-2)^3
-(-2)^3=-(-8)=8. So the answer is 8. or the fourth answer choice.
Please help me out with this problem
Answer:
First picture:
1)Given
2)Substitution
3) Subtraction Property of Equality
4)if altenate interior angles are equal, then the lines are parallel
Second picture:
1) Given
2)if lines are parallel, then the corresponding angles are equal
3)Substitution
4)if altenate interior angles are equal, then the lines are parallel
How many times can 25 go into 212
25 can go into 212 a total of 8 times with a remainder.
To determine how many times 25 can go into 212, we perform the division of 212 by 25.
This is a simple division problem where we are looking for the quotient, which represents the number of times 25 can be subtracted from 212 before the remainder is less than 25.
Let's perform the division:
[tex]\( \frac{212}{25} = 8 \)[/tex] with a remainder of 12.
This means that 25 can be multiplied by 8 to get as close as possible to 212 without exceeding it.
The difference between 212 and 200 is 12, which is the remainder.
Therefore, 25 can go into 212 a total of 8 times with a remainder of 12."
Eli's office recycled a total of 12 kilograms of paper over 6 weeks. After 9 weeks, how many kilograms of paper will Eli's office have recycled
Answer:
18 kg
Step-by-step explanation:
Recycling rate = 12 kg/6wk
Recycled = 9 × 12/6
Recycled = 9 × 2
Recycled = 18 kg
find the nonpermissible for a in this expression a^2/2a+6
Answer:
The value not permissible for a is -3.
Step-by-step explanation:
Considering real numbers, the expression is undefined for any value a for which the denominator expression is zero.
[tex]\frac{a^2}{2a+6}, \,\,\,2a+6\neq 0\implies a\neq -3[/tex]
The expression is valid for all real numbers, except -3.
Answer:
a≠-3
Step-by-step explanation:
We cannot divide by zero, so the denominator cannot be zero
2a+6≠ 0
Subtract 6 from each side
2a+6-6≠ 0-6
2a ≠-6
Divide each side by 2
2a/2 ≠-6/2
a≠-3
which of the following options best describes the function graphed below
Answer:
Option B.
Step-by-step explanation:
The given graph is of a line which is parallel to the x axis.
Let the equation of the line is y = mx + c
where m is the slope and c is a constant representing y - intercept.
Since the graphed line is parallel to x = 0
So for the values of x = 0 equation of the line will be
y = c (constant)
Therefore, Option B. Linear constant is the answer.
Collins middle school has 280 sixth grader students. if the sixth grade is 40% if the total school, how many students are in the middle school?
Answer:
700
Step-by-step explanation:
280 / 0.40 = 700
Answer:
280 *0.40 +96 STUDENTS
or
280/100 = x/40 cross multiply
9600=100x divide by 100
x=96
Step-by-step explanation:
A road construction crew paves 1/5 mile every day. How much would they pave in 2 days?
Answer: 0.4 miles
Step-by-step explanation:
You can use the equation y=1/5x to help you figure it out where x is the days and y is the length. y=1/5(2). y=2/5 or 0.4 miles. Please vote my answer as brainliest
The road construction crew would pave 2/5 of a mile in 2 days, as they pave 1/5 mile every day.
Explanation:The road construction crew paves 1/5 mile each day. If they were to work for 2 days, to find out how much they would pave, you would simply multiply the pace per day by the number of days. So, 1/5 mile * 2 days = 2/5 miles. Therefore, the crew would pave 2/5 of a mile in 2 days.
To find out how much the road construction crew would pave in 2 days, we need to multiply the amount they pave in 1 day by 2. So, if they pave 1/5 mile every day, they would pave 1/5 * 2 = 2/5 mile in 2 days.
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Which fraction is bigger 7/8 or 13/15
Answer:
7/8
Step-by-step explanation:
Step 1: Change the denominators so that they are the same for both fractions
7/8 x 15 = 105/120
13/15 x 8 = 104/120
Step 2: Compare
104/120 < 105/120 = 13/15 < 7/8
The fraction 7/8 is bigger than 13/15.
Explanation:To determine which fraction is bigger between 7/8 and 13/15, we need to find a common denominator. The least common multiple of 8 and 15 is 120. Now, we can convert both fractions to have the same denominator:
7/8 = 105/120
13/15 = 104/120
Since 105/120 is larger than 104/120, the fraction 7/8 is bigger than 13/15.
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Drag and drop numbers into the boxes so that the paired values are in a proportional relationship.
x 2 4 [A] 7 9
y 1 2 3 3.5 [B]
Options: 3 / 3.5 / 4.5 / 5 / 6
Answer Examlpe:
A= 6 and B= 3.5
Answer:
A=6 and B=4.5
Step-by-step explanation:
You are given table
[tex]\begin{array}{cccccc}x&2&4&[A]&7&9\\y&1&2&3&3.5&[B]\end{array}[/tex]
If the paired values are in a proportional relationship, then
[tex]\dfrac{2}{1}=\dfrac{4}{2}=\dfrac{[A]}{3}=\dfrac{7}{3.5}=\dfrac{9}{[B]}.[/tex]
Note that
[tex]\dfrac{2}{1}=\dfrac{4}{2}=\dfrac{7}{3.5}=2,[/tex]
then
[tex]\dfrac{[A]}{3}=2\Rightarrow [A]=6,\\ \\\dfrac{9}{[B]}=2\Rightarrow [B]=\dfrac{9}{2}=4.5.[/tex]
Answer:
the answer is 6
Step-by-step explanation: im 100% right this guy is wrong i repeat this guy is wrong!
State weather ADB~CDB, and if so , explain how you know
Answer:
SAS
Step-by-step explanation:
AD = DC Given
<ADB = <CDB Givien
BD = BD Reflexive property.
The angle is between the 2 sides. The triangles are congruent by SAS.
If m(x) = x2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)? A. 5x3 + 9x2 + 15x + 27 B. 25x2 + 90x + 84 C. x2 + 5x + 12 D. 5x2 + 24
Answer: A
Step-by-step explanation:
m(x) = x² + 2
n(x) = 5x + 9
(m*n)(x) = (x² + 3)(5x + 9)
= x²(5x + 9) + 3(5x + 9)
= 5x³ + 9x² + 15x + 27
Answer:
[tex]5x^3 +9x^2 +15x+27[/tex]
Step-by-step explanation:
If m(x) = x2 + 3 and n(x) = 5x + 9,
(mn)(x) is (m times n)(x)= m(x) times n(x)
m(x) * n(x)
Plug in m(x) and n(x). then multiply it
m(x) * n(x)
(x^2 + 3)(5x+9)
Apply FOIL method to multiply it
x^2 * 5x = 5x^3
x^2 * 9 = 9x^2
3*5x= 15x
3*9 = 27
[tex]5x^3 +9x^2 +15x+27[/tex]