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4 years ago

7

arianna needed to determine how many guests she would have at her birthday party. She is inviting all of the students in her cla

ss. There are 9 girls and 12 boys. She drew the following model. Do you agree or disagree? Explain.

1 answer:

Ronch [10]4 years ago

6 0

That is incorrect because ariana is supposed to add the students in her classroom not multiply the girls and the boys.

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What is the result of (x^2 – 10x) – (–5x^2 + x)?

Tanzania [10]

Answer:

$( {x}^{2} - 10x) - ( - 5 {x}^{2} + x) \\ {x}^{2} - 10x + 5 {x}^{2} - x \\ \boxed{6 {x}^{2} - 11x}$

<h3>(6x²-11x) is the right answer.</h3>

6 0

3 years ago

Suppose you know that S angle and Y angle are complementary, and that angle S=5(angle Y)- 180 degrees. What is the value of angl

Bogdan [553]

The correct question is
<span>Suppose you know that S angle and Y angle are complementary, and that angle S=5(angle Y)- 180 degrees. What is the value of angle Y?

we know that
</span>S angle and Y angle are complementary
so
S+Y=90-------> S=90-Y------> equation 1
and
S=5Y-180----> equation 2

equate equation 1 and equation 2
90-Y=5Y-180------> 5Y+Y=180+90-----> 6Y=270-----> Y=45°
S=5*45-180-----> S=45°

the answer is
Y=45°

8 0

3 years ago

$50 for a 4 hour work day. How much is earned for a 5 1/2 hour work day

STALIN [3.7K]

$69
$50 divided by 4= 12.50
12.30 divided by 2= 6.50
12.50 times 5 + 6.50 = $69

8 0

4 years ago

Find the equation of the following graph:

topjm [15]

Answer:

3cos(3t)

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3 years ago

What is the square root of 144

dlinn [17]

Answer:

12

Step-by-step explanation:

12x12 is 144

3 0

3 years ago