3 years ago

How can i use doubles when multiplying with 4 to find 4x8?

Mathematics

1 answer:

aev [14]3 years ago

5 0

32 because y times 4 8 times

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PLS help with 2,4,6 I rlly need help understanding help guide me through

valentina_108 [34]

Try to understand this. Hope this help. Answer for 2 only.

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3 years ago

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In ΔPQR, the measure of ∠R=90°, the measure of ∠Q=46°, and RP = 97 feet. Find the length of PQ to the nearest tenth of a foot.

Whitepunk [10]

Answer:

PQ = 134.9 feet

Step-by-step explanation:

sin 46 = 97/PQ

0.7193 = 97/PQ

PQ = 134.85 feet

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3 years ago

Can you guys distribute -9n-8-3n=6n-8 and figure out how many solutions it has plz

nydimaria [60]

First combine like terms (-9n-3n=-12n)
Then, subtract 6n on both sides (to get rid of the 6n) = -18n
Then, add 8 to both sides (does not matter) = 0
Finally divide (answer is 0)

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3 years ago

Given f (x) = -3x - 1, solve for x when f (x) = -4

Aleks [24]

Answer:
11
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f(x) = -4 * -3 -1 = 12 - 1 = 11

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3 years ago

Jen has 6 yards of fabric and wants to make a new dress and shorts she used 3 1/3 yards of the fabric on her new dress how much

kodGreya [7K]

Answer:

$2\frac{2}{3}\ yards$

Step-by-step explanation:

we know that

To find out how much fabric Jen has left for the shorts, subtract the yards of fabric used in her new dress from the total yards of fabric Jen has.

$6-3\frac{1}{3}$

Convert mixed number to an improper fraction

$3\frac{1}{3}=\frac{3*3+1}{3}=\frac{10}{3}$

substitute

$6-3\frac{1}{3}=6-\frac{10}{3}=\frac{8}{3}\ yards$

Convert to mixed number

$\frac{8}{3}\ yards=\frac{6}{3}+\frac{2}{3}=2\frac{2}{3}\ yards$

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3 years ago