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2 years ago

12

Another one (last one!) it’s a test! Please no likes or something other than an answer!

2 answers:

Alex2 years ago

8 0

Answer:

2, 6

Step-by-step explanation:

x always go first

Alexandra [31]2 years ago

4 0

I think it’s 6and 2 and 6 and 10

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Pheobe had 6 keys. She paid with a $10.00 bill and received $3.28 change. How much did it cost to have EACH key made

Sholpan [36]

Answer:

$1.12

Step-by-step explanation:

One way to solve this problem is through an algebraic equation. Set up the equation like this, $10-3.28=6x$ . This equation works because 3.28 is subtracted from 10, which represents how much was spent in total. Then, this is equal to 6x, which represents the total cost of six keys.

So, to solve first subtract 3.28 from 10, this gives you 6.72. Then, divide both sides by 6. This equals 1.12, which is the cost of each key.

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cestrela7 [59]

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2 years ago

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Convert 780 cubic feet into gallons round answer to the nearest whole number

Allushta [10]

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2 years ago

2950 - 125 - 50 =<br> I dont resly understand

Masja [62]

Answer:

$2950 - 125 - 50 \\ = 2950 - (125 + 50) \\ = 2950 - 175 \\ = \boxed{2775}$

<h3><u>2775</u> is the right answer.</h3>

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2 years ago

Adam is building a rectanglar swimming pool. The perimeter of the pool must be no more then 120 feet. If the length of the pool

jasenka [17]

Answer:

$W\leq 38\ ft$

The maximum width must be $38\ ft$

Step-by-step explanation:

Let

L ----> the length of the rectangular pool

W ---> The width of the rectangular pool

we know that

$P\leq 120\ ft$

$P=2(L+W)$

so

$2(W+L)\leq 120$ ----> inequality A

we have

$L=22\ ft$

substitute the value of L in the inequality A

$2(W+22)\leq 120$

simplify

$(W+22)\leq 60$

$W\leq 60-22$

$W\leq 38\ ft$

The maximum width must be $38\ ft$

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3 years ago