3 years ago

How to use the distributive law to factor 2a + 2b?

1 answer:

7 0

There is a common entity between the two terms of the given expression and that is the number 2 before each variable. We can factor out the 2 from the given expression and it becomes,
2 x (a + b)

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When I think of a number and halve it, then

notka56 [123]

Answer:

Step-by-step explanation:

7 × 2 = 14

the number you thought of was 14

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3 years ago

A television is originally priced at $1,500. The store owner gives a discount and the television is now priced at

kvv77 [185]

Answer:

975÷1500=0.65

0.65×100%=65%

100%-65%= 35%

The answer is 35% discount

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3 years ago

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A symbol used to represent an unknown value or quantity

bixtya [17]

Variables represent unknowns. They are often letters (like x) but can also be other symbols like Greek numerics.

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3 years ago

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A direct variation function contains the points (–9, –3) and (–12, –4). Which equation represents the function?

Lera25 [3.4K]

I would say the third one. Plug in the x values:

y = -9/3

-9/3 = -3

y = -3

(-9, -3)

The equation is true.

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3 years ago

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Skylar and her children went into a movie theater and will buy bags of popcorn and pretzels. Each bag of popcorn costs $8 and ea

Masja [62]

Answer:

$8b+3.25p\leq 80$

Step-by-step explanation:

Each bag of popcorn costs $8

Each pretzel costs $3.25.

The total cost of b bags of popcorn =$8*b=$8b
The total cost of p pretzels purchased =$3.25*p=$3.25p

Skylar has a total of $80 to spend on both items. This means that she can either spend less than or exactly $80.

i.e Total Cost $\leq \$80$

Skylar's Total cost on popcorns and pretzels =8b+3.25p

Therefore:

$8b+3.25p\leq 80$

Therefore, an inequality that would represent the possible values for the number of bags of popcorn purchased, b, and the number of pretzels purchased, p will be:

$8b+3.25p\leq 80$

8 0

3 years ago