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aleksklad [387]
3 years ago
9

HELP PLEASE SOMEONE

Mathematics
1 answer:
Rom4ik [11]3 years ago
8 0
f(x)= \frac{x}{2} -2 and g(x)=2 x^{2} +x-3
(f+g)(x) = \frac{x}{2} -2+2 x^{2} +x-3
combining like terms gives you answer choice B

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Emily says she can prove the Pythagorean Theorem using the following diagram. She explains that she can divide the squares on th
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Which statement best describes the excluded values of a rational expression?
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Carlos received 84 votes. That was 3 of every 7 votes cast in the class president election. How many votes were cast?
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3 years ago
Find the value of x. Round to the nearest tenth <br> A. 4.6<br> B. 5.0<br> C. 7.8<br> D. 9.3
gayaneshka [121]

Answer:

C. 7.8

Step-by-step explanation:

This problem involves the use of a trigonometric ratio. This one specifically involves the use of cosine as it provides the leg adjacent to the angle and the hypotenuse.

cos(40) = 6/x

cos(40)*x=6/x*x

cos(40)*x=6

cos(40)/cos(40)*x=6/cos(40)

x=6/cos(40)

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4 0
3 years ago
Describe a transformation that could be used to show that alternate interior angles are congruent.
Aliun [14]

Answer:

Step-by-step explanation:

From the picture attached,

Let 'l' be the original line having one angle ∠BAC.

If the original line 'l' is shifted or translated to line 'm', angle BAC will replace the angle BDE.

Since, measure of angles are preserved in the translation,

m∠BDE = m∠BAC [corresponding angles]

Since, ∠BDE ≅ ∠MDA [Vertical angles]

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Hence, alternate interior angles (∠MDA) and (∠BAC) will be congruent when line 'l' is translated to line 'm'.

7 0
4 years ago
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