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Nadusha1986 [10]
3 years ago
13

Find the measure x of an angle that is complementary to 83º.A )3B)5C)7D)13​

Mathematics
1 answer:
egoroff_w [7]3 years ago
8 0

Answer:

C:7

Step-by-step explanation:

Complementary is what else to add to equal 90 degrees. 10 is complementary to 80 because 80+10=90. Supplementary is what would equal to 180. Complementary is usually used in an right angle and supplementary in a line.

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What is the perimeter of 5,7 and 10,12
ANEK [815]
24 and 42, I got this by multiplying 5 and 2 then doing the same thing to 7 and adding the sums. I used this method to find the perimeter of 10 and 12 as well.
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4d2e - d2e find difference
Nataliya [291]
I think the answer is 1d.
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3 years ago
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Suppose y varies inversely with x. Write an equation if y=7 when x=-4
luda_lava [24]

Answer:

y = -28 ÷ x

Step-by-step explanation:

The standard format of a inversely proportional equation goes by the format of y = k ÷ x. The question asks us to write an equation if y = 7 when x = -4 and y varies inversely with x.

So we substitute the values y = 7 and x = -4 in the equation y = k ÷ x

K = constant, we have to work this out

7 = k ÷ -4

7 × - 4 = k

k = - 4 × 7

k = -28

k = -28 So then we put this back into the original y = k ÷ x to find our final equation which is y = -28 ÷ x

3 0
3 years ago
Solve the equation 3 - 2x = 9<br><br> a) x = 3<br> b)x = -3<br> c) x = 6<br> d) x = -6
Elza [17]

Answer:

<h2><em>X=</em><em>-</em><em>3</em></h2>

<em>Option </em><em>B </em><em>is </em><em>correct </em><em>.</em><em>.</em><em>.</em>

<em>solution \\ 3 - 2x = 9 \\ or \:  - 2x = 9 - 3 \\ or \:  - 2x = 6 \\ or \: x =  \frac{6}{ - 2}  \\ x =  - 3</em>

<em>hope </em><em>this </em><em>helps.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em>

3 0
2 years ago
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Antonio ran 129 laps at the park. Alan ran 20% more than that. how many laps did Alan run
Colt1911 [192]

Answer:

154.8

Step-by-step explanation:

20% is equal to 20/100= 0.20. So, 0.20 multiplied by 129 will give you 20% of 129 which is 25.8. If Alan ran 20% more then you add 25.8 to 129 which gives you an answer of 154.8.

Equation: 20/100= 0.2

                0.2* 129= 25.8

                25.8+129= 154.8

Alan ran 154.8 laps.

3 0
3 years ago
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