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Zanzabum
3 years ago
14

- ( - 7x + 8)" alt="( - 9x + 1) - ( - 7x + 8)" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
son4ous [18]3 years ago
7 0

Step-by-step explanation:

=(-9x+1+7x-8)

=(-2x-7)

kenny6666 [7]3 years ago
7 0

Answer:

Step-by-step explanation:

=(-9x+1+7x-8)

=(-2x-7)

Step-by-step explanation:

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What is the measure of angle R?
Alika [10]

Answer:

m<R = 22.62°

Step-by-step explanation:

Reference angle = R

Opposite = 5 cm

Hypotenuse = 13 cm

Apply the trigonometric function SOH:

Sin R = Opp/Hyp

Sin (R) = \frac{5}{13}

R = sin^{-1}(\frac{5}{13})

R = 22.6198649°

m<R = 22.62° (nearest hundredth)

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3 years ago
10. Use the diagram below to find the value of x.
Sholpan [36]

Answer:

x=20

Step-by-step explanation:

Hello There!

Remember the exterior angle of a triangle rule:

An exterior angle of a triangle is equal to the sum of the opposite interior angles

Knowing this, we can create an equation to solve for x

exterior angle (100) = sum of opposite interior angles (3x+2x)

100 = 2x+3x

now we solve for x

step 1 combine like terms

2x+3x=5x

now we have 100=5x

step 2 divide each side by 5

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7 0
2 years ago
Read 2 more answers
Please help!! It's extra credit work, I'm on Spring break, and I'm tring to be on honor roll!!
Reika [66]

Answer: C

Explanation:

Since tan(H) equals 1, we can conclude that angle H equals 45 degrees. Therefore, we know that it is a 45-45-90 triangle. Therefore, since both legs are equal, sin or cos doesn’t matter. Therefore, C is correct. (Draw it for yourself, it helps)

8 0
3 years ago
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