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Pie
3 years ago
9

The complementary angle of 85 degrees

Mathematics
1 answer:
guapka [62]3 years ago
4 0

Answer:

5 degrees

Step-by-step explanation:

Complementary angles sum up to 90 degrees.

If one angle is 85 degrees, then its complement is (90 - 85), or 5, degrees.

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Solve the following inequality: –1 + 6(–1 – 3x) > –39 – 2x.
tino4ka555 [31]
<span>–1 + 6(–1 – 3x) > –39 – 2x.
Multiply the number outside of the parenthesis(6) by the numbers inside of the parenthesis(-1 and -3x)
-1 - 6 - 18x> -39 - 2x
Add 2x to both sides so that the x variable is only on one side
-1 - 6 - 16x> -39
Add 1 to both sides
-6 - 16x> -38
Add 6 to both sides
-16x> -32
Divide both sides by -16 so that the only thing that remains is the variable x on one side. Also, since you are dividing by a negative number, you automatically flip the greater than side to less than.
Final Answer: x< -2</span>
6 0
3 years ago
What are the zeros to -2x(3x+1)^ 2 (x+7)^7
mixer [17]

Answer:

You can do it

Step-by-step explanation:

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3 years ago
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to sta
Dafna11 [192]

Answer:  <em>r</em> represents a significant linear correlation.

Step-by-step explanation:

GIven : Linear correlation coefficient: r = 0.543

Sample size: n= 25

Significance levle: \alpha=0.05

Degree of freedom : n-2 = 25-2=23

Now, we check <em>r</em> critical value table for value with df = 23 and \alpha=0.05.

Critical value = ±0.396  [From <em>r</em> critical value table]

Since r = 0.543 > 0.396, that means there is significant linear correlation.

Hence,  <em>r</em> represents a significant linear correlation.

8 0
3 years ago
What are the zeros of the function below? Check all that apply.
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