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Gekata [30.6K]
3 years ago
9

Whhhhhhhhhhhhhhyyyyyyyyyyyyyyyyyyy

Mathematics
1 answer:
Anarel [89]3 years ago
7 0

Answer:

3x^{2}

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Find the measure of the third angle of a triangle given the measures of two angles
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We know that all three angles in a triangle must add to 180 degrees so we can use this fact to find the measure of the missing angles.  
180-57-101= 22 degrees
180-72-72=36 degrees
180-x-20=160-x degrees
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Charles can type 675 words in 9 minutes. How many words can Charles type in 13 minutes?
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Charles can type 975 in 13 mins
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you have a piece of wood that is 72 inches long u cut the wood into three pieces the second piece is 6 inches longer than the fi
tangare [24]

Let

x---------> the length of the first piece

y---------> the length of the second piece

z---------> the length of the third piece

we know that

x+y+z=72 -------> equation 1

y=x+6 -----> solve for x

x=y-6 -------> equation 2

z=6+y -------> equation 3

substitute equation 2 and equation 3 in equation 1

[y-6]+y+[6+y]=72

3y=72

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<u>Find the value of x</u>

x=y-6 -------> equation 2

x=24-6=18 in

<u>Find the value of z</u>

z=6+y -------> equation 3

z=6+24=30 in

therefore

<u>the answer is</u>

the length of the first piece is 18 in

the length of the second piece 24 in

the length of the third piece is 30 in

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3. A postal carrier can
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Answer:

6 hours. ( I DID IT USING PROPORTIONS!)

Step-by-step explanation:

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(cross multiply)

130x = 780

130x/130 = 780/ 130 (divide each by 130)

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52 minutes.

Step-by-step explanation:


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