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Nikitich [7]
3 years ago
9

Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks.

Mathematics
2 answers:
Vsevolod [243]3 years ago
8 0

Answer:

after 1 minute they will both have 9

Step-by-step explanation

1 minute  

5             9

+      

4

_________________

9                   9        

9 flashcards is how many each student will have to make.

It will take 1 minute

Korolek [52]3 years ago
3 0
Chloe and Fiane will each have 9 flash cards in 1 minute.
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Which of the following points is a solution of y ≤ -|x| - 1?<br><br> (-1, -3)<br> (0, 0)<br> (1, -1)
alexdok [17]
Y + 1 \leq -|x|
-y - 1 \geq |x|
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(0, 0)

Answer: B).
3 0
4 years ago
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What is the slope of D and E??
Mazyrski [523]

Answer:

-4 and 0

Step-by-step explanation:

Rise over Run would give us the slope.

In the first graph, It goes down 4 while it goes 1 to the right.

This means that -4/1 = -4.

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3 years ago
What is the measure of an angle if the measures of its two adjacent supplementary angles add up to 100°?
Sindrei [870]
<h3>Answer:  130</h3>

Explanation:

Let x be the unknown angle we want to find.

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Let z also be adjacent and supplementary to x. So x+z = 180 also

Subtracting the two equations leads to y-z = 0 and y = z. So effectively we've proven the vertical angle theorem.

Since the supplementary angles to x add to 100, we know that y+z = 100. Plug in y = z and solve for z

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8 0
3 years ago
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3 years ago
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7 0
4 years ago
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