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irga5000 [103]
3 years ago
10

Simplify 7n - 2n 3p 2p.

Mathematics
2 answers:
djyliett [7]3 years ago
8 0

5n+5p is the right answer.

yan [13]3 years ago
5 0

Answer:

5n+5p

Step-by-step explanation:

thats the answer. hope this helps!!! :) :p

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Find the degree measure of angle HRP?
Lyrx [107]
Answer: HRP = 40°

Explanation:

Angle EPN = 40°

But EPN = HRP (corresponding angle)

Because EP//HR

Therefore EPN = HRP = 40°
8 0
2 years ago
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Solve for B. B x 2 = 36
Drupady [299]

The answer is 18 . Because 36 divided by 2 is 18

3 0
3 years ago
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What is 5 times 7h equal.does it equal 35h
RSB [31]
Yeah the answer is 35 because if you multiply 5x7 it will give u 35 for an answer
3 0
3 years ago
Is the answer a, b, c, or d.
ale4655 [162]
The correct answer is d.

We have the following system of linear equations:

(I) 4x+7y=-14
(II) 8x+5y=8

Let's use the elimination method, then let's multiply the equation (1) \times(-2) and subtracting (I) and (II):

(I) -2(4x+7y)=-2(-14)
∴ -8x-14y=28

(I) -8x-14y=28
(II) 8x+5y=8
____________________
(III)  -9y=36

∴  y=-4

We can find the value of x by substituting y either in (I) or (II). Thus, from (I):

4x+7(-4)=-14
∴ 4x-28=-14
∴ 4x=14
∴ x=\frac{14}{4}
∴ \boxed{x=\frac{7}{2}}

Let's substitute the values of x and y into (I) and (2)

(I) 4(\frac{7}{2})+7(-4)=14-28=-14
(II) 8(\frac{7}{2})+5(-4)=28-20=8

Finally the answer is:

\boxed{x=\frac{7}{2} \rightarrow x= 3 \frac{1}{2}}

4 0
3 years ago
What’s the value of x for a-d?
patriot [66]

Answer:

a = 76 b = 22 c = 58 d = 68

Step-by-step explanation:

A. 180 - 133 = 47

so you have two angles found, which is 57 and 47. Add them together and subtract from 180. You get 76

B. 68 + 90 = 158

You subtract the 158 from 180 and get 22

C. This took some guess work, but when you multiply 58 by 2 you get 116. When subtracted from 180 you get 64. If you add 58 + 58 + 64, you get 180, so this made sense

D. There's an actual rule in trig that explains this, but I forgot it. If you look at the top angle, the other side of the line added to the 68 is a right angle. So you subtract 68 from 90 and get 12. Because there is already the right angle in the triangle, you just need the other two angles to equal 90, and because of the 68 that we found in the other triangle, this made sense.

Sorry, not the best at explanations. Hope that helped

8 0
3 years ago
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