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jekas [21]
3 years ago
5

Hi, who wanna talk? I'm bored!

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
4 0

Answer:

Hello!!!!!!!!!!!!

Bumek [7]3 years ago
3 0

Answer:

i'm bored too

Step-by-step explanation:

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Find the area of a circle whose circumference is 31.4 centimeters. (Pi form) {FREE BRAINLIEST]
vagabundo [1.1K]

Answer:

78.46 cm^2

Use area formula

6 0
3 years ago
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What is the degree measure of b?<br> A)) 29° <br> B) 32° <br> C) 61° <br> D) 64°
Lemur [1.5K]

Answer:

B 32

Step-by-step explanation:

The exterior angle is the sum of the measure of the measure of the opposite interior angles.

151 = 119+b

Subtract 119 from each side.

151-119 = 119-199+b

32 = b

5 0
3 years ago
Read 2 more answers
i need help. Semir, Sarah, and SungSo decided to raise money for a local homeless shelter by working in a local deli. The deli a
IgorLugansk [536]
According to the question, 
Let,
"n" represent the number of miles semir walked.
"y" represent the number of miles sarah walked.
Now, according to the question,

y = 2n - 5  ........................this is your equation 
Also,
the question states, each of them collect $18 in pledges for every miles walked.

Given,
Sarah collected $450
Now, 

Using unitary method,

Sarah collects $18 for 1 mile
Sarah collects $1 for (1 / $18) mile
Sarah collects $450 for (1 / 18) * 450 mile
                                   = 25 miles
So, Sarah walks 25 miles.
Now,
Taking equation,
y = 2n - 5
Since, y is the no. of miles sarah walked, we can write 25 in place of "y" So,
(25) = 2n - 5
25 + 5 = 2n
30 = 2n
30 / 2 = n
15 = n

Since, "n" is the no. of miles that semir walked, Semir walked 15 miles.


7 0
3 years ago
Suppose you are testing the null hypothesis that a population mean is less than or equal to 46, against the alternative hypothes
PolarNik [594]

Answer:

Option A) 2.5

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 46

Sample mean, \bar{x} = 50

Sample size, n = 25

Alpha, α = 0.05

Population standard deviation, σ = 8

First, we design the null and the alternate hypothesis

H_{0}: \mu \leq 46\\H_A: \mu > 46

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{50 - 46}{\frac{8}{\sqrt{25}} } =2.5

Option A) 2.5

6 0
3 years ago
Using the law of sines, find the solutions for the missing inputs.
SashulF [63]

\frac{a}{ \sin(a) }  =  \frac{b}{ \sin(b)  }
\frac{12}{ \sin(38) }  =  \frac{b}{ \sin(85) }
\frac{12}{ \sin(38) }  =  \frac{a}{ \sin(57) }
180 - (85 + 38) = 57
\frac{12}{ \sin(38) }  =  \frac{b}{ \sin(85) }
\sin(85)   \times  \frac{12}{ \sin(38) }  = b
\sin(57)   \times  \frac{12}{ \sin(38) }  = a
sorry for the order of steps
5 0
3 years ago
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