Grade 8 McGraw Hill Glencoe - Answer Keys Answer keys

Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys

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Test Practice

Question 22 (request help)
The two regular polygons below have the same perimeter.

Use the algebra tiles to model an equation on the equation mat below that can be used to find x. Then solve the equation.

x =

(show solution)

Question 23 (request help)
Company A charges $28.50 plus $18 a room to clean carpet. Company B charges $16.50 plus $20 a room. Determine if each statement is true or false.

a. For 4 rooms, carpet cleaner B is cheaper.

b. For 5 rooms, carpet cleaner A is cheaper.

c. The equation \(28.5 + 18\text{x} = 16.5 + 20\text{x}\) can be solved to find the number of rooms for which the total cost is the same.

d. For 6 rooms, both carpet cleaners charge the same.

	a.
	b.
	c.
	d.

(show solution)

Spiral Review

Use the Distributive Property to write each expression as an equivalent expression.

Question 24 (request help)
\(6(\text{x} + 5) =\)
Type below:

(show solution)

Question 25 (request help)
\(-8(\text{y} - 1) =\)
Type below:

(show solution)

Question 26 (request help)
\(-3(-5\text{z} + 12) =\)
Type below:

(show solution)

Question 27 (request help)
\(\cfrac{1}{3}(6\text{z} + 10) =\)
Type below:

(show solution)

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