MATHEMATICS MIDDLE SCHOOL

How do you work out the prince of a gallon of gas dropped from the summer high price of $3.50 to the winter low price of $2.87. By what percentage was the price of gas reduced? How do you get 4.50 %?

Answers

Answer 1
Answer:

Answer:

4.50%

Step-by-step explanation:
Answer 2
Answer:

Answer:

4.50 %

Step-by-step explanation:

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Can you translate the letters in the word tokyo to form the work kyoto?
A Chinese restaurant uses about 225 pairs of chopsticks each day the manager wants to order a 30 day supply of chopsticks the boxes come in of 750 pairs how many boxes should the manager order?
A youth chorus has 30 members. There are 14 boys in the chorus. What is the ratio of boys to girls in simplest form?A.7/15B.8/15C.7/8D.8/7
Estimate √7 to the nearest tenth

In a recent year, there was about 400,000,000 mobile internet users. ( look at the picture )​

Answers

\bf 400,000,000\implies 4* 10^8 \n\n[-0.35em] ~\dotfill\n\n \cfrac{\textit{desktop users}}{\textit{mobile users}}\qquad \qquad \cfrac{1.2* 10^9}{4* 10^8}\implies \cfrac{12* 10^8}{4* 10^8}\implies \cfrac{12}{4}*\cfrac{10^8}{10^8}\implies \cfrac{3}{1}

3 : 1, or 3 to 1, thus 3 times as many.
3 times as many or 3:1

How can you determine whether a number is a solution of an equation ?

Answers

solution or an equation? A solution should have the equal sign next to it. And an equation should have with an unknown solution till you solved it. For ex:

5,534,234              9+9 
Solution                    equation

Also solutions won't have an equation. Like that.

Hillary used 5 L of a cleaning solution to scrub down 25 M^2 of table tops in the school cafeteria. how many litres of cleaning solution are required to clean a surface with an area of 65 m^2 if this solution is directly proportional?A.10L
B.13L
C.15L
D.25L

Answers

Answer is B) 13L.

Explanation:

We can calculate the number of liters of cleaning solution required to clean up a surface with the given area by simple method of proportion.

If 25m^2 area requires 5L of cleaning solution,

then let x bethe number of liters required for cleaning a 65m^2 area.

We can write it as:

25 / 65 = 5 /x

x = (5 x 65) / 25 = 325/25 = 13

So, 13 litres of cleaning solution is required to clean a surface with 65m^2 area.

What does this symbol “ mean in math

Answers

I think, it's the symbol of the inches.

3" = 3 inches

or it's the second derivative of the function

(d^2y)/(dx^2)=f''(x)

HELP ME PLEASE, I'M GIVING YOU ALL MY POINTS ;-; (which is 25)just these 3 questionz!!!!!!!!!

Answers

The answer to 31,096 + 59,721 is 89,817 so B 89,800 is the best estimate

2nd- The answer to 69,896 - 42,901 is 26,995 so A 26,900 is the best answer

3rd- 630,429 - 27,811 is 602,618 so the best answer(s) would be A 630,400 and C 27,800

find the slope and y intercept of the line that is parallel to y=-2/3+5 and passes through the point (5,-6)​

Answers

Answer:

Step-by-step explanation:

The line parallel to to y=-2/3x+5 has same slope

Slope m = -2/3  ;   (5,-6)

y- y₁ = m (x - x₁)

y - (-6) = -2/3 *(x - 5)

y+6 = -2x/3  +10/3

y = -2x/3  +10/3 - 6

y = -2x/3  +10/3 -(6*3/1*3)

y = -2x/3  +10/3 - 18/3

y =-2x/3  +10-18/3

y = -2x/3  - 8/3
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