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3 years ago

Please help me with this question asap

Mathematics

1 answer:

aalyn [17]3 years ago

5 0

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Use the distributive property to remove the parentheses. -9(-3y-w+6)

max2010maxim [7]

Answer:

27y +9w -54

Step-by-step explanation:

-9(-3y-w+6)

Distribute

-9*-3y -9*-w -9 *6

27y +9w -54

4 0

3 years ago

There are 30 students in Mr.Thomas' class.If he wants 20% of the students in each group, how many students will be in. each grou

zhuklara [117]

First you find out what 20% of 30 is (30 * 0.20 = 6)
Then you take 30/6 to get your answer (30/6 = 5)
There will be 5 students in each group.

8 0

3 years ago

Read 2 more answers

elise bought 5 boxes of cereal and 2 gallons of milk for a total cost of $31.24 each box of cereal cost $ 4.80 enter the cost in

vitfil [10]

Answer:

7.24

Step-by-step explanation:

Multiply 5 boxes of cereal by the cost of cereal

31.24 minus that number gives the answer

6 0

2 years ago

Item 19 The scale on a map is 1 cm:30 mi. The distance on the map between San Francisco, CA, and Chicago, IL, is 61.9 cm. What i

Harlamova29_29 [7]

Answer:

1857 miles.

Step-by-step explanation:

We have been given that the scale on a map is 1 cm:30 mi. The distance on the map between San Francisco, CA, and Chicago, IL, is 61.9 cm. We are asked to find the actual distance between San Francisco and Chicago.

We will use proportions to solve our given problem.

$\frac{\text{Actual distance}}{\text{Map distance}}=\frac{30\text{ miles}}{1\text{ cm}}$

Upon substituting map distance between San Francisco and Chicago, we will get:

$\frac{\text{Actual distance}}{61.9\text{ cm}}=\frac{30\text{ miles}}{1\text{ cm}}$

$\frac{\text{Actual distance}}{61.9\text{ cm}}\cdot 61.9\text{ cm}=\frac{30\text{ miles}}{1\text{ cm}}\cdot 61.9\text{ cm}$

$\text{Actual distance}=30\text{ miles}\cdot 61.9$

$\text{Actual distance}=1857\text{ miles}$

Therefore, the actual distance between San Francisco and Chicago is 1857 miles.

4 0

3 years ago

A cylindrical rain barrel has a radius of 2 feet and holds a total of 30 cubic feet of water. How tall is the rain barrel? Use 3

enot [183]

Answer:

2.39 feet

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

$V=\pi r^{2}h$

where

r is the radius of the base of the cylinder

h is the height of the cylinder

we have

$V=30\ ft^3$

$r=2\ ft$

$\pi =3.14$

substitute

$30=(3.14)(2^{2})h$

Solve for h

$30=(3.14)(4)h$

$h=30/12.56$

$h=2.39\ ft$

7 0

3 years ago