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cupoosta [38]
3 years ago
12

Complementary angles

Mathematics
1 answer:
Valentin [98]3 years ago
8 0
Two angles that add up to 90 degrees
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Emily has a lock that uses the numbers 0-7. The combination is 3 numbers long. What is the probability that the combination is 7
Margarita [4]
333 most likely then
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A Similar Triangles Lesson Quiz
Naddik [55]

Answer:  D. 72°

Step-by-step explanation:

3 0
3 years ago
uppose a large telephone manufacturer has a problem with excessive customer complaints and consequent returns of the phones for
vodka [1.7K]

Answer:

The answer is "294.2075".

Step-by-step explanation:

Given:

\hat{p} = 0.5 \\\\1 - \hat{p} = 1 - 0.5 = 0.5\\\\E = 4\% = 0.04\\\\

At 83\% confidence level the z is ,

\alpha  = 1 - 83\% = 1 - 0.83 = 0.17\\\\\frac{\alpha}{2} = \frac{0.17}{2} = 0.085\\\\Z_{\frac{\alpha}{2}} = Z_{0.085} = 1.3722\\\\n = (\frac{Z_{\frac{\alpha}{2}}}{E})^2 \times \hat{p} \times (1 - \hat{p})\\\\

   = (\frac{1.3722}{0.04})^2 \times 0.5 \times 0.5\\\\= (34.305)^2 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.25\\\\=294.2075

5 0
3 years ago
(–1) + 5 – (–6) – 5 =
Svetlanka [38]

Answer:

5

Step-by-step explanation:

(-1) + 5 - (-6) - 5 =

    v          

4 - (-6) - 5 =

   v

10 - 5 =

   v

5

6 0
3 years ago
PLEASEEE I NEED HELPPP!!!!
taurus [48]

Answer:

#carry on learning

mark me as brainliest

Find a point-slope form for the line that satisfies the stated conditions. Slope , passing through (-5,4)

I really need this question answered

By:

I don't see a value for the slope. We need that to set the equation, otherwise I can write an unlimited number of equations that pass through (-5,4).

I'll assume a slope so that you can see how the procedure would work. I like 6, so we'll assume a slope of 6.

The equation for a straight line has the form y = mx + b, where m is the slope and y is the y-intercept, the value of y when x = 0. We want a line that has slope 6, so:

y = 6x + b

We need to find b, so substitute the point (-5,4) that we know is on the line:

4 = 6*(-5) + b and solve for b

4 = -30 + b

b = 34

The line is y = 6x + 34

4 0
3 years ago
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