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Archy [21]
3 years ago
7

2. A line has a slope of which of the

Mathematics
1 answer:
Vinil7 [7]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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Li is making beaded necklaces. For each necklace, she uses 22 spacers, plus 9 beads per inch of necklace length. Write an equati
NeTakaya

Answer: y = 9x

Step-by-step explanation:

Li needs to use 9 beads for each inch of necklace.

X = Length of Necklace

Y = Number of beads needed

y = 9x

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Find m∠A given ΔABC where a=4, b=6, c=3.
igomit [66]
For this question, we're going to use the law of cosines.
The law of cosines is the following equation:

a^2=b^2+c^2-2(b)(c) \cos(A)

We know the values of a, b, and c. We want to find the measure of angle A.
a=4
b=6
c=3

Now, plug in these values into the equation.

4^2=6^2+3^2-2(3)(6) \cos(A)
16=45-36 \cos(A)

Add both sides by 36 \cos(A) and subtract both sides by 16

36 \cos(A)=29

Divide both sides by 36

\cos(A)= \dfrac{29}{36}

Take the inverse cosine, or arc cosine, of both sides.
Using a calculator, you'll get the following result.

A \approx 36.3^O

The measure of angle A should be 36.3 degrees. Hope this helps! :)
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3 years ago
What is the tangent ratio of angle K to the nearest thousandth (that's three decimal places)?
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A²+b²=c², a=opposite b=adjacent c=hypotenuse
a=3,c=√34
3²+b²=√34²
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Answer:

so we substitute in K(x) into the equation K(x)=6x-12

which gets us: 18=6x-12

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x=5

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2 years ago
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