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BaLLatris [955]
3 years ago
7

Can someone help me for brainllest ITS TIMED AND IM FREAKING OUT

Mathematics
1 answer:
alina1380 [7]3 years ago
8 0

Answer:

1.

If two angles are supplementary, their sum is 180 degrees.

Check: 10 + 170 = 180

=> Maryam's claim is correct

If two angles are complementary, their sum is 90 degrees.

Check: 81 + 9 = 90

=> Ailia's claim is correct

2.

As the definition:

Vertical angles have sides that form two pairs of opposite rays.

Adjacent angles have a common side and don't overlap.

=> As provided pair of angles, they are adjacent pair of angles.

=> Ahmed's statement is wrong, Saalem's statement is correct.

Hope this helps!

:)

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Hello,..... I will mark you as a brainliest
madam [21]

Answer:

5 jumps

Step-by-step explanation:

Personally I would write it out, although there surely is a formula for it.

3 fall to 2 - 5 fall to 4 - 7 fall to 6 - 10 fall to 9 - 12.

This makes 5 jumps, since once he is out he won't fall back in.

8 0
3 years ago
Find the total surface area of the cube shown.<br> (____) square centimeters
ruslelena [56]

Answer:

96cm^2

Step-by-step explanation:

Total surface area of a cube

= 6a^2

Given a = 4

Surface area = 6 (4)^2

= 6 x (4x4)

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3 0
3 years ago
A factor in determining the usefulness of an examination as a measure of demonstrated ability is the amount of spread that occur
Natali [406]

Answer: . a. 36.08 to 78.80

Step-by-step explanation:

 The confidence interval for population standard deviation is given by :-

\sqrt{\dfrac{(n-1)s^2}{\chi_{\alpha/2}}}

Given : Sample size = n=24

Significance level : \alpha:1-0.99=0.01

Using the chi-square distribution table , the critical values would be :-

\chi_{n-1,\alpha/2}=\chi_{23, 0.005}=44.18127525

\chi_{n-1,1-\alpha/2}=\chi_{23, 0.995}=9.26042478

Then , a 99% confidence interval for the population standard deviation will  be :-

\sqrt{\dfrac{(23)(50)^2}{44.18127525}}

8 0
3 years ago
How do you write 41.344 in word form
Semenov [28]

Answer:

forty one point three hundred and forty four

Step-by-step explanation:

4 0
3 years ago
Find the x-Intercept and the y-Intercept of the line below. Click on "None" if applicable.<br> None
PSYCHO15rus [73]

Answer: X-intercept is (2,0)

Y-intercept is (0,-2)

Step-by-step explanation:

3 0
3 years ago
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