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3 years ago

14

Consider the net of a rectangular box where each unit on the coordinate plane represents 4 feet. If a can of spray paint covers

40 square feet, how many cans of spray paint are needed to paint the inside and outside of the box red?
A. 4
B. 6
C. 8
D. 12

2 answers:

Vesnalui [34]3 years ago

6 0

Answer:

8

Step-by-step explanation:

took the test

ss7ja [257]3 years ago

3 0

Answer:

The answer is 8

Step-by-step explanation:

:)

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What is the factored form of the polynomial z² − 10z + 25?

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Answer:

( z - 5 ) ( z - 5 )

Step-by-step explanation:

z² − 10z + 25

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= ( z - 5 ) ( z - 5 )

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What's does x equal?

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Sam stores manure for his farm in a rectangular box. The length of the box is 7 feet, The width is 9 inches, and the height is 6

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A box of Munchkins contains chocolate and glazed donut holes. If Jacob ate 2 chocolate

neonofarm [45]

Answer:

24 munchkins.

Step-by-step explanation:

Let C be the number of chocolate and D be number of glazed donut holes in the original box.

We are told if Jacob ate 2 chocolate munchkins, then 1/11 of the remaining Munchkins would be chocolate. We can represent this information as:

$C-2=\frac{1}{11}*(C+D-2)...(1)$

We are also told if he instead added 4 glazed Munchkins to the original box, 1/7 of the Munchkins would be chocolate. We can represent this information as:

$C=\frac{1}{7}*(C+D+4)...(2)$

Upon substituting C's value from equation (2) in equation (1) we will get,

$\frac{1}{7}*(C+D+4)-2=\frac{1}{11}*(C+D-2)$

Let us have a common denominator on right side of equation.

$\frac{1}{7}*(C+D+4)-\frac{7*2}{7}=\frac{1}{11}*(C+D-2)$

$\frac{C+D+4-14}{7}=\frac{1}{11}*(C+D-2)$

Multiplying both sides of our equation by 7, we will get,

$7*\frac{C+D-10}{7}=7*\frac{1}{11}*(C+D-2)$

$C+D-10=\frac{7}{11}*(C+D-2)$

Multiplying both sides of our equation by 11, we will get,

$11*(C+D-10)=11*\frac{7}{11}*(C+D-2)$

$11*(C+D-10)=7*(C+D-2)$

$11C+11D-110=7C+7D-14$

$11C-7C+11D-7D=-14+110$

$4C+4D=96$

$4(C+D)=96$

$(C+D)=\frac{96}{4}$

$(C+D)=24$

Therefore, the total number of Munchkins in original box is 24.

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3 years ago