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2 years ago

500 students went on a picnic trip. 10 students travelled in each car. Find out how many cars were used for the picnic trip?

Mathematics

1 answer:

Galina-37 [17]2 years ago

7 0

All you have to do is divide

500 divided by 10 equals 50

so 50 cars went on the picnic trip

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a square painting has an area of 81x^2-90x-25. A second square painting has an area of 25x^2+30x+9. What is an expression that r

galina1969 [7]

Answer:

The answer in the procedure

Step-by-step explanation:

Let

A1 ------> the area of the first square painting

A2 ----> the area of the second square painting

D -----> the difference of the areas

we have

$A1=81x^{2}-90x-25$

$A2=25x^{2}+30x+9$

case 1) The area of the second square painting is greater than the area of the first square painting

The difference of the area of the paintings is equal to subtract the area of the first square painting from the area of the second square painting

D=A2-A1

$D=(25x^{2}+30x+9)-(81x^{2}-90x-25)$

$D=(-56x^{2}+120x+34)$

case 2) The area of the first square painting is greater than the area of the second square painting

The difference of the area of the paintings is equal to subtract the area of the second square painting from the area of the first square painting

D=A1-A2

$D=(81x^{2}-90x-25)-(25x^{2}+30x+9)$

$D=(56x^{2}-120x-34)$

4 0

3 years ago

What is 1/10 as a percent?<br> what is 1/5 as a percent?

Ber [7]

Answer:

1/10 as a percent is 10%

1/5 as a percent is 20%

Step-by-step explanation:

You need to multiply the bottom numbers to 100 because usually all percentages are out of 100. The result is the top number.

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2 years ago

Read 2 more answers

the expression 6x +15 represents the total cost of a bicycle rental. When Danny rents a bike for 2 hours the total cost is 27 do

bekas [8.4K]

The coefficient 6 represents the price for an hour of bike rental.

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3 years ago

Passes through (3,-6) and (-1,2) slope intercept form?

IRISSAK [1]

Answer:

2/1

Step-by-step explanation:

8/4 which is also 2/1

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2 years ago

(1, -6) and ( -8, 9 )

hichkok12 [17]

Answer:

What is the question am I supposed to calculate the slope? If so then the answer is 5/-3

Step-by-step explanation:

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2 years ago