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PtichkaEL [24]
4 years ago
15

Help ill give brainliest too

Mathematics
2 answers:
Alika [10]4 years ago
5 0
1st one, as the outlier is 7 points away from the others.
attashe74 [19]4 years ago
4 0

Answer:

a

Step-by-step explanation:

I think so..

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I am thinking of a number. I subtract 10 then divide by 2 and I now have 19. What was my original number? (Hint: Start with the
saw5 [17]
48 because that's what you get following your equation in PEMDAS order :)
5 0
3 years ago
Read 2 more answers
Two angles are complementary. The first angle is 2x degrees. The second angle is (x+30) degrees. Determine the larger angle
Molodets [167]

larger angle = 50°

complementary angles sum to 90° , hence

2x + x + 30 = 90

3x + 30 = 90 ( subtract 30 from both sides )

3x = 60 ( divide both sides by 3 )

x = 20

thus 2x = 2 × 20 = 40° and x + 30 = 20 + 30 = 50°

the larger angle is x + 30 = 50°




7 0
3 years ago
Using the right triangle below find the cosine of angle A.
svetlana [45]

For the given triangle, the cosine of angle A equals \frac{1}{2}.

Step-by-step explanation:

Step 1; In the given triangle, the opposite side has a length of 9 units, the adjacent side has a length of 3√3 units while the hypotenuse of the triangle measures 6√3 units. To calculate the cosine of angle A we divide the adjacent side by the hypotenuse side.

cos A = \frac{adjacent side}{hypotenuse}.

Step 2; Length of the adjacent side = 3√3 units.

Length of the hypotenuse side = 6√3 units.

cos A = 3√3 / 6√3

cos A = \frac{1}{2}.

To check we also have A = 60° and cos 60° = \frac{1}{2}.

4 0
4 years ago
Please help, I'm too indifferent to math to actually have an opinion.
Olin [163]

Math to me is very complicated. I know that I need it in life, but when have you ever needed to find the square root of the distance from the sun to mars on a normal day-to-day basis? But jokes aside, I know that I do math without thinking about it. It is important, even for the jobs that you would think that you would NEVER need it (even English teachers do it, haha.) Overall, math is kinda iffy. In my opinion, you can't live with it, but you <u>really</u> can't live without it.

3 0
3 years ago
Read 2 more answers
Answer?? multiplying monomials
galben [10]

Answer:

-9y^8

Step-by-step explanation:

-3y^4 * 3y^4

Multiply the coefficients

-3*3 = -9

Add the exponents since the base is the same

y^4 * y^4 = y^(4+4) = y^8

Put them back together

-9y^8

5 0
3 years ago
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