3 years ago

Which statement is true?

1 answer:

Crank3 years ago

4 0

The answer is neither because to be complementary they need to equal 90 degrees and to be supplementary the need to equal 180 degrees. The sum of the two angles equals 169 degrees.

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5. Simplify the expression and find its value when p= 4 and q = -5:

Ierofanga [76]

Answer: -180

Step-by-step explanation:

$\bf \blue{ \boxed{ \bf p = 4 \: \: and \: \: q = - 5 \Rightarrow pq = 4 \times ( - 5) = - 20}}$

3(p2q + pq2 - pq) - 6pq + 3pq2 =

3[-20 × 2 + (-20) × 2 - (-20)] - 6 × (-20) + 3 × 2 × (-20) =

3[-40 + (-40) + 20] - 6 × (-20) + 3 × 2 × (-20) =

3(-40 - 40 + 20) - 6 × (-20) + 3 × 2 × (-20) =

3(-80 + 20) - 6 × (-20) + 3 × 2 × (-20) =

3 × (-60) - 6 × (-20) + 3 × 2 × (-20) =

-180 + 120 + 6 × (-20) =

-180 + 120 + (-120) =

-180 + 120 - 120 =

-60 - 120 = -180

7 0

2 years ago

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Write each rational number as a terminating decimal. 1. 19/20 2. -1/8 3. 17/5

Dima020 [189]

19/20= 0.95
-1/8= -0.125
17/5= 3.4
HOPE THIS HELPS!

8 0

3 years ago

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The following stem-and-leaf plot represents the scores earned by Mr. Wood's class on their most recent science test.

rewona [7]

Answer:

i think 10?

Step-by-step explanation:

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2 years ago

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Mike ran 1 mile in 4 minutes. How far did he run in 10seconds?

MrRissso [65]

Answer:

0.015 miles

Step-by-step explanation:

$1mile = 4min \\ 1mile = 240sec \\ 0.609km = 240sec \\ \frac{0.609}{24} = \frac{240}{24} \\ 10sec = 0.025km \\ 10sec = 0.015miles$

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3 years ago

Shamariah collects silk roses. She had 17 silk roses in a vase. Six friends each gave her 3 more roses. How many roses does sham

max2010maxim [7]

Answer: 4535

Step-by-step explanation:

she has 17 slik roses already, and 6 friends give her 3 silk roses each, so that's 6 times 3, which makes 18, and 17 plus 18 is 35, so she has 35 silk roses in all.

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3 years ago