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3 years ago

I don’t know what to do

Mathematics

1 answer:

Gre4nikov [31]3 years ago

6 0

Answer:

is it on a website or paper?

Step-by-step explanation:

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What is the reciprocal of 1 3/5

JulsSmile [24]

Answer:

5/13

Step-by-step explanation:

All you have to do is switch the numerator and denominator! Hope this helps!

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3 years ago

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2 years ago

A test score in the 97th percentile would be considered:

seropon [69]

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3 years ago

Read 2 more answers

Evaluate each function at the given value <br> f(n) = n ^ 4 + 5n ^ 3 + 2n ^ 2 - 5n + 13 at n = - 2

DedPeter [7]

Answer:

Step-by-step explanation:

<h3>Given</h3>

f(n) = n ^ 4 + 5n ^ 3 + 2n ^ 2 - 5n + 13

f(-2)

<h3>Solution</h3>

<u>Substituting n with -2</u>

f(-2) =
(-2)^4 + 5(-2)^3 + 2(-2)^2 - 5(-2) + 13 =
16 - 40 + 8 + 10 + 13 =
7

3 0

3 years ago

Find the number of distinct triangles with the measurements a = 8, b = 14, and A = 30°.

Maslowich

Answer: 2

Step-by-step explanation:

By the law of sines,

$\frac{\sin B}{b}=\frac{\sin A}{a} \\ \\ \frac{\sin B}{14}=\frac{\sin 30^{\circ}}{8} \\ \\ \frac{\sin B}{14}=\frac{1}{16} \\ \\ \sin B=\frac{14}{16} \\ \\ B=\sin^{-1} \left(\frac{14}{16} \right), 180^{\circ}-\sin^{-1} \left(\frac{14}{16} \right) \\ \\ B \approx 61.04^{\circ}, 118.96^{\circ}$

Since either of these values for B will form a triangle (as A+B will be less than 180 degrees), 2 triangles can be formed with these measurements.

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1 year ago