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zhannawk [14.2K]
3 years ago
8

Help please thank you guys! Really appreciate it

Mathematics
2 answers:
wel3 years ago
7 0

Answer: the answer is 1

Step-by-step explanation:

dalvyx [7]3 years ago
6 0

Answer:

1

Explanation:

Radius = C/2π

C is 6.28 and 2*pi is also 6.28

So 6.28/6.28 = 1.

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ZABD and ZDBC are supplementary angles.
podryga [215]

Answer:

The angle x is 32 degrees.

Step-by-step explanation:

As the angles make supplementary angle then

148+x=180

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Hence Prooved!

6 0
3 years ago
Read 2 more answers
6,940÷10 by the power of 2=
krok68 [10]

Answer:

well the answer is 481636 i'm assuming you want to raise it to the 2nd power after you divide

Step-by-step explanation:

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8 0
4 years ago
To construct an interval estimate for the difference between the means of two populations when the standard deviations of the tw
kobusy [5.1K]

Answer:

C. (n₁ + n₂ - 2) degrees of freedom

Step-by-step explanation:

The t-test for difference between two mean when variance are equal is:

t=\dfrac{\bar{x}_1-\bar{x}_2}{s\sqrt{\frac{1}{n_1}+\frac{1}{n_2}}}

where ,

\bar{x}_1 = Mean of Sample 1

\bar{x}_2 = Mean of Sample 2

s = standard deviation

n_1 = size of Sample 1

n_2 = size of Sample 2

 and t is Student's t-test with (n₁ + n₂ - 2) degrees of freedom.

5 0
4 years ago
Is 4y=2x Proportional or Non-proportional
Ilia_Sergeevich [38]
This is proportional since rearranging it would get x/y = 2, which is an example of direct proportionality.
3 0
4 years ago
Will mark branliest if correct:)
Alex73 [517]

Answer:

If im not mistaking its b

Step-by-step explanation:

you gotta divide the nubers inside the box thing  with then numbers outside it then multiply

8 0
3 years ago
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