3 years ago

How to tell if angles are complementary s

1 answer:

8 0

Complementary triangle angles add up to 90 degrees.
It's easy to remember because the C in complementary is the C in corner, they make a perfect corner.

Supplementary triangle angles add up to 180 degrees.
It's easy to remember because the S is supplementary is the S in straight line, they make a straight line.

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What is the value of the expression below when x=3 and y=10?<br> 8x - y

madam [21]

Answer:

$8(3) - 10 \\ = 24 - 10 \\ = 14$

Step-by-step explanation:

this goes with BODMAS .so it means bracket of divison,multiplication ,addition and subtraction

this means that you would have to solve the one in the bracket first before you'll continue with the rest,that is the subtraction.

7 0

3 years ago

Emi computes the mean and variance for the population data set 87, 46, 90, 78, and 89. She finds the mean is 78. Her steps for f

HACTEHA [7]

Well let’s find the actually mean

First we add up all the numbers

87+46+90+78+89 = 390

Next we divide 390 by how many numbers there are.

390/5 = 78

Therefore the mean is 78

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3 years ago

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natulia [17]

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4 years ago

How do you express one-half of the difference of a number cubed and one?

diamong [38]

Answer:

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