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Elina [12.6K]
3 years ago
14

Find the area of a trapezoid below. 3 m 4 m 6 m

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0
The area is 18 i believe
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(-5y^2-9y-4)-(-2y^2-y+8)
Naddika [18.5K]

Answer:

−3y2−8y−12

Step-by-step explanation:

Let's simplify step-by-step.

−5y2−9y−4−(−2y2−y+8)

Distribute the Negative Sign:

=−5y2−9y−4+−1(−2y2−y+8)

=−5y2+−9y+−4+−1(−2y2)+−1(−y)+(−1)(8)

=−5y2+−9y+−4+2y2+y+−8

Combine Like Terms:

=−5y2+−9y+−4+2y2+y+−8

=(−5y2+2y2)+(−9y+y)+(−4+−8)

=−3y2+−8y+−12

5 0
2 years ago
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5. Fill in the blanks to make the statements true.
Gre4nikov [31]

Answer:

a: 12

b: as much as what?

c: 70

d: 10 times as much

Step-by-step explanation:

a: 4 * 3 = 12

c: 700 / 10 = 70

d: 800 * 10 = 8000

8 0
3 years ago
Please answer the two questions.
Anarel [89]

Answer:

1. n= 14

2. n=3

Step-by-step explanation:

For the first problem, let's break down the equation. The number being thought about can be represented by <em>n</em>. Then <em>n </em>is increased by 7, or simply put 7+ <em>n. </em>The sum is 21, so to find n you can use the equation 7 + n = 24 and solve for <em>n, </em>which is 14.

For problem two, the same strategy can be used. The number is <em>n, </em>multiplied by 9. So, 9 * <em>n</em> is equal to 27. Solve for n by isolating n, and the answer is 3.

6 0
3 years ago
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PLEASE HELP ME WITH ALGEBRA!! THANK YOU!!
DerKrebs [107]

Answer:

okiii!

Step-by-step explanation:

what's the question?????

6 0
3 years ago
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Please help . I’ll mark you as brainliest if correct
il63 [147K]

Answer:

30 m

Step-by-step explanation:

51-21=30

<h2><em><u>PLEASE VOTE BRAINLIEST GIVE THANKS</u></em></h2>
3 0
3 years ago
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