What value makes of x makes the equation 1.25(4x-10)=7.5 true

A. 3.5
B -1
C -0.5
D 4

Answers

Answer 1
D.4
Distribute 1.25 to 4x and 10. Then add like terms on both side and find x.

Related Questions

Help please urgent thanks

Answers

Answer:

The answer is 2/10 and 2/10

(A)

Just in case some of you have this question

Answers

This actually helped me

Answer:

lol

Step-by-step explanation:

lllooooooooool

If Big Bun won 5 out of 25 matches, what percent did he win?

Answers

Answer:

5/25*100=

1/5*100=100+5=20

Waiting times​ (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wait in individual lines at three different teller windows are listed below.

Find the coefficient of variation for each of the two sets of​ data, then compare the variation.

Bank A (single line): 6.6, 6.7, 6.7, 6.8, 7.0, 7.3, 7.5, 7.7, 7.8, 7.8Bank B (individual lines): 4.0, 5.5, 5.8, 6.2, 6.6, 7.6, 7.7, 8.5, 9.4, 9.7(Round to one decimal place as needed.)

Answers

Answer:

CV of Bank A = 6.4

CV of Bank B = 7.1

CV of Bank B is more than CV of Bank A

Step-by-step explanation:

Bank A

6.6, 6.7, 6.7, 6.8, 7.0, 7.3, 7.5, 7.7, 7.8, 7.8

[tex]Mean = \frac{\text{Sum of all observations}}{\text{No. of observations}}\\Mean = \frac{6.6+6.7+6.7+6.8+7.0+7.3+7.5+7.7+7.8+ 7.8}{10}\\Mean =7.19[/tex]

Standard deviation =[tex]\sqrt{ \frac{\sum(x-\bar{x})^2}{n}}=0.461[/tex]

[tex]CV = \frac{\sigma}{\bar{x}} \times 100\\CV = \frac{0.461}{7.19} \times 100=6.4[/tex]

Bank B

4.0, 5.5, 5.8, 6.2, 6.6, 7.6, 7.7, 8.5, 9.4, 9.7

[tex]Mean = \frac{\text{Sum of all observations}}{\text{No. of observations}}\\Mean = \frac{4.0+5.5+5.8+6.2+6.6+ 7.6+ 7.7+8.5+9.4+9.7}{10}\\Mean =7.1[/tex]

Standard deviation =[tex]\sqrt{ \frac{\sum(x-\bar{x})^2}{n}}=1.718[/tex]

[tex]CV = \frac{\sigma}{\bar{x}} \times 100\\CV = \frac{1.718}{7.1} \times 100=24.2[/tex]

CV of Bank A = 6.4

CV of Bank B = 7.1

CV of Bank B is more than CV of Bank A

a line has a slope of 2 and passes through the point (5,2)

Answers

Answer:

Step-by-step explanation:

Given

A line has a slope = 2

point = (5,2)

Solution

y-y1=m (x-x1)

Where y1=2,X1=5,m=2

y-2=2(x-5)

Y-2=2x-10

2x-y=-8

Equation of the line is 2x-y=-8

A recipe calls for 3 cups of sugar for
every 1 cup of butter. How many cups
of butter does the recipe need for 4.5
cups of sugar?

Answers

Answer:8.5 cups

ithink

im not sure

Step-by-step explanation:


Please help me ASAP

Answers

Answer: y = mx + b

Step-by-step explanation:

Answer:

y=-1x+4

Step-by-step explanation:

Which statement is TRUE for the given triangles?
A)
The triangles are similar because the ratios of the corresponding sides are
the same.
B)
The triangles are not similar because they are not the same size.
C)The triangles are not similar because they are not equilateral
D)
Similarity cannot be determined because angle measurements are not
given

Answers

Answer:

we need the pic to answer it

Step-by-step explanation:

Answer:

I have no idea

Step-by-step explanation:

math picture help me

Answers

Answer:

D

Step-by-step explanation:

If 300 cones were sold, how many were chocolate?

Answers

Answer:

90

Step-by-step explanation:

1. Write 1/5 as a decimal

2. Write 1/5 as a percent

3. Write 10% as a fraction

4. Reduce 35/100 to lowest terms

5. Write 35/100 as a percent

6. Write 8/20 as a percent

7. Write 8/20 as a decimal

Answers

Answer:

1.5

1.5%

10/0

7/20

35.1%

8.20%

8.20

Step-by-step explanation:

there u go

answerrrr plssssssssss

Answers

Answer:

no solution

Step-by-step explanation:

What number is the opposite of 3 over 11

Answers

-3/11?

As the opposite of a positive is a negative

Answer:

-3/11

Step-by-step explanation:

how did u get this and what is it I need help so bad​

Answers

Answer:

y=6x+5

Step-by-step explanation:

I am not sure if this is the answer but it's worth a try...

There are 330 jellybeans in 6 bags. How many jellybeans in 2 bages?

Answers

Answer:

110

Step-by-step explanation:

Answer:

its 110

Step-by-step explanation:

The table shows the prices of some candy items at a store. Jake selected 1.6 pounds of Fruit Chews and 2.6 pounds of Jelly Beans. The sales tax for his purchase was $0.52.



.Item. .Price Per Pound.
.Fruit Chews. - $4.70
.Jelly Beans. - $2.35
.Chocolate. - $3.50


.If Jake had $25 to spend at the candy store, how much money did Jake have left after his purchase?

Answers

Answer : 11.80$

Step-by-step explanation:

He spends 8.70$ on Fruit chews and..

4.50 $ on jelly beans

add them up then subtract them by the amount of money he already has

BRAINLIST ???

Answer:

He had 10.85 left

Step-by-step explanation:

Fruit chews 4.7 x 1.6 = 7.52

Jelly beans 2.35 x 2.6 = 6.11

7.52 + 6.11 + 0.52 = 14.15

25 - 14.15 = 10.85

Anna’s cell phone plan charges her $30 per month plus a $150 one-time activation fee. Evelyn’s cell phone plan charges her $20 per month, plus a $450 one-time activation fee. After how many months are the costs for the girls’ cell phone plans the same?

Answers

Given:

Anna’s cell phone plan charges her $30 per month plus a $150 one-time activation fee.

Evelyn’s cell phone plan charges her $20 per month, plus a $450 one-time activation fee.

To find:

The number of months after which the costs for the girls’ cell phone plans the same.

Solution:

Let x be the number of months.

Total cost = Fixed cost + Variable cost

According to the question, cost equation for Anna’s cell phone is

[tex]y=150+30x[/tex]           ...(i)

Cost equation for Evelyn's cell phone is

[tex]y=450+20x[/tex]         ...(ii)

Equate (i) and (ii) to find the time after which the costs for the girls’ cell phone plans the same.

[tex]150+30x=450+20x[/tex]

[tex]30x-20x=450-150[/tex]

[tex]10x=300[/tex]

Divide both sides by 10.

[tex]x=\dfrac{300}{10}[/tex]

[tex]x=30[/tex]

Therefore, the costs for the girls’ cell phone plans the same after 10 months.

PLZZ HELP MEEEE


The length of the house is 50 m. In the plan, it is 12.5 cm. What is the scale of the house plan?

Answers

Answer:

Step-by-step explanation:

lol i think 800 m imao if im not corecct

Answer: 1:400

Step-by-step explanation:

Find the value of expression a^5−a^2+a^3 for a=−2.

Answers

Answer:

-44

Step-by-step explanation:

first take -2 to the fifth power (-32) , after that take -2 to the second power (4) and then take -2 to the third power (-8). Subtract -32 and 4, then add -8 and you get your answer.

4.28 divide by 7 equals ?

Answers

Answer:

0.611428571

Step-by-step explanation:

[tex]4.28 \div 7 \\ \\ = \frac{4.28}{7} \\ \\ = 0.611428571 \\ [/tex]

mZTRI = 3x - 5, mZIRB = x + 27,
and mZTRB = 86. Find the mZTRI.

Answers

Answer:

m∠TRI  = 43

Step-by-step explanation:

m∠TRI +  m∠IRB = m∠TRB

3x - 5 + x + 27 = 86

3x + x - 5 + 27 = 86   {Combine like terms}

     4x  + 22    = 86       {Subtract 22 from both sides}

               4x = 86 - 22

                4x = 64           {Divide both sides by 4}

                  x = 64/4

                 x = 16

m∠TRI = 3x - 5

           = 3*16 - 5

          = 48 - 5

          = 43

the length of the rectangular field is 7 times of its breadth its area is 1792 square metres find the cost of fencing it at the rate of rupees 1.5 per metre ​

Answers

Answer:

Step-by-step explanation:

first you would need to find the perimeter in order to find the cost of fencing.

x(7x)=1792

7x^2=1792

x^2=256

x=16

so you have x which is the width. now time to find the length

16 times 7 is 112

112 is your width

112+112+16+16 is 256, which is your perimeter.

256 times 1.5 is your cost, or 384 rupees

Explain how you can tell if the expressions
7x – 4 and 6x – 4 – x are equivalent using the interactive tool.

Answers

Answer:

the expression is 9)+9(12=21

Step-by-step explanation:

Answer:

commutative property: the property stating that changing the order in which two numbers are added or multiplied does not change the value of the sum or product

equivalent: having the same amount, value, area, volume, or force

evaluate: to determine the value of

like terms: terms consisting of the same variables, raised to the same exponent

Step-by-step explanation:

HELP HELP HELP HELP HELP HELP HELP HELP HELP write a brief summer about inequalities on a number line .

Answers

THIS IS NOT W

Step by step

Determine whether the graph represents a proportional relationship. (4 points) A graph is shown. The x-axis is labeled from 0 to 9. The y-axis is labeled from 0 to 15. Four points are shown on the graph on ordered pairs 0, 2 and 1, 6 and 2, 10 and 3, 12. These points are joined by a line. The label on the x-axis is Number of cars. The title on the y-axis is Number of wheels. Group of answer choices Yes, it is a proportional relationship because the graph goes through the origin Yes, it is a proportional relationship because the graph is a straight line No, it is not a proportional relationship because the graph is not a straight line No, it is not a proportional relationship because the graph does not go through the origin

Answers

Answer:

No, it is not a proportional relationship because the graph does not go through the origin

Step-by-step explanation:

I belive the is the answer, I took this quiz as well. The line is straight but it does not go throught the origan.

The duration of a professor's class has continuous uniform distribution between 49.2 minutes and 55.5 minutes. If one class is randomly selected and the probability that the duration of the class is longer than a certain number of minutes is 0.468, then find the duration of the randomly selected class, i.e., if P ( x > c )

Answers

Answer:

The duration of the randomly selected class is 52.6 minutes.

Step-by-step explanation:

The random variable X is defined as the duration of a professor's class.

It is provided that, [tex]X\sim Unif(49.2, 55.5)[/tex].

The pdf of X is:

[tex]f_{X}(x)=\frac{1}{55.5-49.2};\ 49.2<X<55.5[/tex]

It is provided that the probability that the duration of the class is longer than c number of minutes is 0.468.

That is, P (X > c) = 0.468.

Compute the value of c as follows:

[tex]P(X>c)=0.468\\\\\int\limits^{55.5}_{c}{\frac{1}{55.5-49.2}}=0.468\\\\\frac{1}{6.3}\times [x]^{55.5}_{c}=0.468\\\\55.5-c=2.9484\\\\x=52.5516\\\\x\approx 52.6[/tex]

Thus, the duration of the randomly selected class is 52.6 minutes.

What is the distance between point A(-2,-1) and point B (3,2)?

Answers

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[tex]d = \sqrt{ ({2 - ( - 1)})^{2} + ({3 - ( - 2)})^{2} } \\ [/tex]

[tex]d = \sqrt{ {3}^{2} + {5}^{2} } [/tex]

[tex]d = \sqrt{9 + 25} [/tex]

[tex]d = \sqrt{34} [/tex]

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Answer:

√34

Step-by-step explanation:

A(-2 , -1)   B(3 , 2)

[tex]Distance = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\\\\ =\sqrt{(3-[-2])^{2}+(2-[-1])^{2}} \\\\=\sqrt{(3+2)^{2}+(2+1)^{2}}\\\\=\sqrt{5^{2}+3^{2}}\\\\=\sqrt{25+9}\\\\=\sqrt{34}[/tex]

6. Solve the problem. A carousel has a radius of 18 feet and takes 31

seconds to make one complete revolution. What is the linear speed of

the carousel at its outside edge? Express the answer in feet per second.

If necessary, round the answer to two decimal places.

Answers

Answer:

v = 3.64 ft/s

Step-by-step explanation:

Given that,

Radius of a carousel, r = 18 feet

It takes 31 seconds to complete revolution.

We need to find the linear speed of the carousel at its outside edge. Distance covered is equal to the circumference of the circle.

d = 2πr

d = 2π × 18 = 113.09 feet

Let v is the linear speed. It can be given by :

[tex]v=\dfrac{D}{t}\\\\v=\dfrac{113.09}{31}\\\\v=3.64\ ft/s[/tex]

So, the linear speed of the carousel is 3.64 ft/s.

A particular shirt is on sale for $12. The regular price is $20. How much is the discount? Use the formula Discount = Regular price - Sale price.

Answers

Answer:

40% discount

Step-by-step explanation:

40% of 20 = 8

20 - 8 = 12

6.2*10^15 in a calculator

Answers

Answer:

6200000000000000

Step-by-step explanation:

Answer:

6,200,000,000,000,000

Step-by-step explanation:

6.2 x [tex]10^{15}[/tex] = 6,200,000,000,000,000

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