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prisoha [69]
3 years ago
10

EFGH is a parallelogram. Find z.

Mathematics
2 answers:
Rainbow [258]3 years ago
4 0

Answer:

z = 29

Step-by-step explanation:

GF = HE

z + 29 = 2z

<u>Step 1:  Solve for z</u>

z + 29 - z = 2z - z

29 = z

Answer:  z = 29

Firdavs [7]3 years ago
4 0

Answer:

5

Step-by-step explanation:

z+9=z+29=2z

z=z+(29-9)=2z

z=z+20=2z

z+20=3z

20=4z

20/4=z

5=z

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3 years ago
Which expression has the same value as 46.1-97.2?
Natali [406]

Answer:

A 46.1+(-97.2)

Step-by-step explanation:

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Simplify. What is your answer 8x + 9d + 3x -5d
BlackZzzverrR [31]

Answer:

11x + 4d

Step-by-step explanation:

8x + 9d + 3x -5d

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7 0
3 years ago
Evaluate the expression when n=6<br> n² – 5n-2
eduard

Answer:

4

Step-by-step explanation:

(6^2) -5(6) -2 =4

that is the answer

8 0
3 years ago
Read 2 more answers
Show and explain how replacing one equation by the sum of that equation and a multiple of the other produces a system with the s
My name is Ann [436]
First, let's multiply the first equation by two on the both sides:
<span>8x + 7y = 39         /2
</span>⇒ 16x + 14y = 78

Now, the system is:
<span>16x + 14y = 78
</span><span>4x – 14y = –68
</span>
After adding this up in the column:
(16x + 4x) + (14y - 14y) = 78 - 68
20x = 10
⇒ x = 10/20 = 1/2


y can be calculated by replacin the x:
<span>8x + 7y = 39
</span>⇒ 8 · 1/2 + 7y = 39
4 + 7y = 39
7y = 39 - 4
7y = 35
⇒ y = 35 ÷ 7 = 5
3 0
3 years ago
Read 3 more answers
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