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3 years ago

Please help me I don't know how to do this look at the attachment for the question

Mathematics

2 answers:

kupik [55]3 years ago

6 0

the answer is 95.

Step-by-step explanation:

180-85=95

Olenka [21]3 years ago

4 0

Answer:

m<1= 95

Step-by-step explanation:

180-85=95

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Find B if a= 8M, B=69°, and C=48°

dmitriy555 [2]

Answer:

Step-by-step explanation:

7 0

3 years ago

Find the value of X <br> PLS HELP PLS

IceJOKER [234]

Answer:

x=59

Step-by-step explanation:

x+12+x+x-9=180

3x+3=180

-3 -3

3x=177/3

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5 0

3 years ago

What is negative five plus negative four bracketed

Brrunno [24]

-5+(-4)

-5-4

-9

Therefore, -9 is the correct answer

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2 years ago

I NEED THE ANSWER ASAP I WILL GIVE CROWN

AnnZ [28]

Answer:

a) as the time increases by one year the hight of the tree is increasing by 15

h=90+(t*15)

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2 years ago

The average commute times for employees of a large company is 32 minutes. The commute time of 10employees are 40, 31, 32, 16, 25

Ira Lisetskai [31]

Given:

40,31,32,16,25,35,22,53,23 and 33.

Sample mean:

$\bar{x}=32$

Population mean:

$\mu=\frac{\Sigma(x_i)}{n}_{}$ $\mu=\frac{40+31+32+16+25+35+22+53+23+33}{10}$ $\mu=\frac{310}{10}$ $\mu=31$

$\sigma=\sqrt[]{\frac{\Sigma(x-\mu)^2}{n-1}}$ $\sigma=\sqrt[]{\frac{81+0+1+225+36+16+81+484+64+4}{10-1}}$ $\sigma=\sqrt[]{\frac{992}{9}}$ $\sigma=\frac{\sqrt[]{992}}{3}$ $\sigma=10.4987$ $\text{Error}=\pm z\times\frac{\sigma}{\sqrt[]{n}}$

z value is not given so taken as 95% on confidence level

$z=1.96$ $\text{Error}=\pm1.96\times\frac{10.4987}{\sqrt[]{10}}$ $\text{Error}=\pm6.5072$ $\text{Error}=\pm6.5$

4 0

1 year ago