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Liula [17]
3 years ago
14

I’m confused on this question

Mathematics
2 answers:
Rudiy273 years ago
7 0

Answer:

63

Step-by-step explanation:

A triangle always has a total of 180 degrees

Since we know two we can solve for x

76+41+x=180

x=63

prisoha [69]3 years ago
4 0

Answer:

63

Step-by-step explanation:

Basically there is 180 degrees in every triangle. So all you do is

180-76=104

104-41= 63

so your answer is 63 degrees.

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-4 + k/ 2 = -7 Please help guys!
yaroslaw [1]

Answer:

k=-6

Step-by-step explanation:

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3 0
3 years ago
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What is 8 divided by 645 in 5th grade
Tatiana [17]
That equals <u>.0124031008</u>
7 0
3 years ago
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Using the given points and line, determine the slope of the line. (1, 2) and (2, 1) slope = 2 slope = 1 slope = -1
Bas_tet [7]

Answer:

-1

Step-by-step explanation:

Slope formula: (y₂ - y₁) / (x₂ - x₁)

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8 0
2 years ago
solve |5x - 1| &lt; 1 a. {x|0 &lt; x &lt; 2/5} b. {x|x &lt; 0 or x &gt; 2/5} c. {x|-2/5 &lt; x &lt; 2/5}
aliina [53]
<span>|5x - 1| < 1
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8 0
2 years ago
A researcher determines that students are active about 60 + 12 (M + SD) minutes per day. Assuming these data are normally distri
rjkz [21]

Answer:

The correct option is (b).

Step-by-step explanation:

If X \sim N (µ, σ²), then Z=\frac{X-\mu}{\sigma}, is a standard normal variate with mean, E (Z) = 0 and Var (Z) = 1. That is, Z \sim N (0, 1).

The distribution of these z-variate is known as the standard normal distribution.

The mean and standard deviation of the active minutes of students is:

<em>μ</em> = 60 minutes

<em>σ </em> = 12 minutes

Compute the <em>z</em>-score for the student being active 48 minutes as follows:

Z=\frac{X-\mu}{\sigma}=\frac{48-60}{12}=\frac{-12}{12}=-1.0

Thus, the <em>z</em>-score for the student being active 48 minutes is -1.0.

The correct option is (b).

4 0
3 years ago
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