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kifflom [539]
2 years ago
5

Alex drew the triangles shown. Which of the following correctly describes the triangles? 2 triangles are shown. Each triangle ha

s sides of different lengths. Each triangle has 1 obtuse angle and 2 acute angles. A. Both triangles are isosceles. B. Only one triangle has a right angle. C. Only one triangle has an acute angle. D. Both triangles have an obtuse angle. help HELP
Mathematics
1 answer:
evablogger [386]2 years ago
4 0

Answer: D. Both triangles have an obtuse angle

This is because it says "Each triangle has <u>1 obtuse angle</u> and 2 acute angles" in the instructions. An obtuse angle is any angle between 90 and 180 degrees, excluding both endpoints.

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What is the measure of 3?
mafiozo [28]

Answer:

∠3 = 60°

Step-by-step explanation:

Since g and h are parallel lines then

∠1 and ∠2 are same side interior angles and are supplementary, hence

4x + 36 +3x - 3 = 180

7x + 33 = 180 ( subtract 33 from both sides )

7x = 147 ( divide both sides by 7 )

x = 21

Thus ∠2 = (3 × 21) - 3 = 63 - 3 = 60°

∠ 2 and ∠3 are alternate angles and congruent, hence

∠3 = 60°

5 0
3 years ago
What is the equivalent expression in factored form of 15x^7y^2+4x^3
tensa zangetsu [6.8K]

Answer:

x^3(15x^4y^2+4)

Step-by-step explanation:

4 0
3 years ago
If 3x+2=5/9, what is the value of −3x+8?<br><br>Group of answer choices
allsm [11]

Answer:

= 4

Step-by-step explanation:

first lets find the value of x in 3x+2=5/9

3x+2=5/9

3x = \frac{5}{9} -2

3x = \frac{3}{9}

3x = \frac{1}{2}

x = \frac{1}{2 * 3\\ }

x = \frac{1}{6}

\frac{1}{6} can also be written as 6^{-1}

−3x+8

-3 (\frac{1}{6}) +8

\frac{-3}{6} +8

= 4

3 0
2 years ago
2. Bryan and Lori were each given the same pair of numbers. Bryan's description of the two numbers was: The larger number is 3 m
sleet_krkn [62]

Answer:

5 and 18

Step-by-step explanation:

The two numbers according to Bryan are x and 3x+3. According to Lori they are x and 5x-7. So we know that x+3x+3=x+5x-7. x and x cancel out. 3 and 7 add to 10. 5x-3x=2x. So 2x=10. X=5 and the other number is 18.

6 0
3 years ago
Rewrite in radical form. If the number is rational, write it without using radical<br> (81)^(−1/4).
vesna_86 [32]

Answer:

1/3

Step-by-step explanation:

simplify

81^(-1/4)

= 1/81^(1/4)

= 1/[3×3×3×3]^(1/4). (factorize 81)

= 1/[3]^(4/4)

= 1/3

6 0
2 years ago
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