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yKpoI14uk [10]
2 years ago
10

I need help with my math work!!!!!!

Mathematics
2 answers:
Anna007 [38]2 years ago
8 0
The first one is the correct answer

zalisa [80]2 years ago
6 0

Answer:

The answer is the first one

Step-by-step explanation:

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Need help with problems 16 and 17, please? I'll do brainiac
natali 33 [55]

Answer: 16) y=-0.5x+3 and 17) y=2x-3

Step-by-step explanation:

16: The slope-intercept form of a line is y=mx+b, where m is the slope, and b is the y-value at the y-intercept.

Since y=3 at x=0, the y-intercept is (0,3), and b=3.

Slope=\frac{y_{2} -y_{1} }{x_{2}-x_{1}  } where (x_{1} ,y_{1}) and (x_{2} ,y_{2}) are two points on the line. Choose (0,3) and (2,2):

Slope=\frac{2-3}{2-0}=-0.5

Plug m=-0.5 and b=3 into y=mx+b:

y=-0.5x+3

17: The slope-intercept form of a line is y=mx+b, where m is the slope, and b is the y-value at the y-intercept.

Because y=-3 at x=0, the y-intercept is (0,-3), and b=-3.

Slope=\frac{y_{2} -y_{1} }{x_{2}-x_{1}  } where (x_{1} ,y_{1}) and (x_{2} ,y_{2}) are two points on the line. Choose (0,-3) and (1,-1):

Slope=\frac{-3-(-1)}{0-1}=\frac{-2}{-1}=2

Plug m=2 and b=-3 into y=mx+b:

y=2x-3

5 0
2 years ago
uppose a large telephone manufacturer has a problem with excessive customer complaints and consequent returns of the phones for
vodka [1.7K]

Answer:

The answer is "294.2075".

Step-by-step explanation:

Given:

\hat{p} = 0.5 \\\\1 - \hat{p} = 1 - 0.5 = 0.5\\\\E = 4\% = 0.04\\\\

At 83\% confidence level the z is ,

\alpha  = 1 - 83\% = 1 - 0.83 = 0.17\\\\\frac{\alpha}{2} = \frac{0.17}{2} = 0.085\\\\Z_{\frac{\alpha}{2}} = Z_{0.085} = 1.3722\\\\n = (\frac{Z_{\frac{\alpha}{2}}}{E})^2 \times \hat{p} \times (1 - \hat{p})\\\\

   = (\frac{1.3722}{0.04})^2 \times 0.5 \times 0.5\\\\= (34.305)^2 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.5 \times 0.5\\\\= 1,176.83 \times 0.25\\\\=294.2075

5 0
3 years ago
If somone can help. ​
dexar [7]

Answer:

c cause it says length = 5x

4 0
2 years ago
Read 2 more answers
MATH PLEASE HELP
Rom4ik [11]

Answer:

y=6x+8 I think I'm not shure about that.

8 0
2 years ago
X – 81 = 1<br> X = ? <br> Pleaseee help me I’m strugglinggg
Firdavs [7]

Answer:

\huge{ \fbox{ \sf{82}}}

Step-by-step explanation:

\star{ \text{ \: x - 81 = 1}}

\text{Step \: 1 \:  : Move \: 81 \: to \: right \: hand \: side \: and \: change \: it's \: sign}

\hookrightarrow{ \sf{x = 1 + 81}}

\text{Step \: 2 \:  : Add \: the \: numbers : 1 \: and \: 81}

\hookrightarrow{ \sf{x = 82}}

The value of x is 82

Hope I helped!

Best regards! :D

~\sf{TheAnimeGirl}

6 0
3 years ago
Read 2 more answers
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