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Kaylis [27]
3 years ago
5

Simplify the expression by combining like terms: 22 + 5m - 4m + 7n - 8

Mathematics
1 answer:
MAXImum [283]3 years ago
6 0
22+5m-4m+7n-8
22-8+5m-4m+7n
14+m+7n
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-2+4(-x+4)=10 using distributive property and collecting like terms
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Step-by-step explanation:

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4 0
3 years ago
The length of a living room is 12 feet and its width is 1012 feet. The length of the room is being expanded by x feet. Choose an
Ivanshal [37]

Answer:

Option C. 10.5(12 + x) square feet

Option E. (126 + 10.5x) square feet

Step-by-step explanation:

step 1

Find the area of the original living room

we know that

The area of the original living room is equal to

A=LW

we have

L=12\ ft\\W=10\frac{1}{2}\ ft=10.5\ ft

substitute

A=(12)(10.5)=126\ ft^2

step 2

Find the new area of the living room

The length of the room is being expanded by x feet

so

we have

L=(12+x)\ ft\\W=10.5\ ft

The new area is

A=10.5(12+x)\ ft^2

The expanded form of the expression is

Apply distributive property

A=10.5(12)+10.5(x)\\A=(126+10.5x)\ ft^2

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4 years ago
PLEASE HELP ME!!!!!!!!
Paha777 [63]
Answer is b because angle BPD is greater than 90 degree
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