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ad-work [718]
3 years ago
15

m∠3 is (3x + 4)° and m∠5 is (2x + 11)°. Angles 3 and 5 are . The equation can be used to solve for x. m∠5 = °

Mathematics
2 answers:
ratelena [41]3 years ago
7 0

I just did this question!

Answers:

1) <em>same side interior angles</em>

2) (3x+4)+(2x+11) = 180

3) 77


Sveta_85 [38]3 years ago
5 0

Answer:

Part a) consecutive interior angles

Part b) (3x+4)\°+(2x+11)\°=180\°

Part c) m∠5=77\°

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

<u>Part a)</u> Angles 3 and 5 are consecutive interior angles

therefore

m∠3+m∠5=180\°

<u>Part b)</u> we have

m∠3=(3x+4)\°

m∠5=(2x+11)\°

substitute

(3x+4)\°+(2x+11)\°=180\°

<u>Part c)</u> solve for x

(5x+15)\°=180\°

5x=180\°-15\°

x=180\°-15\°=33\°

Find the value of m∠5

m∠5=(2(33)+11)\°

m∠5=77\°

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Vedmedyk [2.9K]

Answer:

x = - 5, y = - 9

Step-by-step explanation:

Given

x + 9i = - 5 - yi

For the 2 sides to be equal then the coefficients of like terms must be equal.

x = - 5 and 9 = - y ⇒ y = - 9

6 0
3 years ago
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The ratio of boys and girls at the beach cleanup was 7:8. If there were 42 boys, how much girls were there
ratelena [41]

Answer:

48 girls

Step-by-step explanation:

Divide 42 by 7 and then multiply the answer by 8.  So 42/7 is 6 and 6 multiplied by 8 is 48 so if there are 42 boys there are 48 girls.

3 0
4 years ago
Subtract. 5x^2-5x+1-(2x^2+9x-6)
Talja [164]
<h2>Hello!</h2>

The answer is:

3x^{2} -14x+7

<h2>Why?</h2>

To solve the problem we need to add/subtract like terms. We need to remember that like terms are the terms that share the same variable and the same exponent.

For example, we have:

x^{2} +2x+3x=x^{2} +(2x+3x)=x^{2}+5x

We have that we were able to add just the terms that were sharing the same variable and exponenr (x for this case).

So, we are given the expression:

5x^2-5x+1-(2x^2+9x-6)=5x^{2}-2x^{2}-5x-9x+1-(-6)\\\\(5x^{2}-2x^{2})+(-5x-9x)+(1-(-6))=3x^{2}-14x+7

Hence, the answer is:

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Have a nice day!

4 0
4 years ago
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lutik1710 [3]

Answer:

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Step-by-step explanation:

Hope this helps, and sorry if it's wrong.

8 0
3 years ago
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PLEASE HELP!!!
viktelen [127]

The answer is 3/5.


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Continue this pattern and you'll see that it follows this geometric sequence

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3 years ago
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