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3 years ago

Please help I don’t understand! #10

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

7 0

Answer:

This answer on 10 looks too be 75 inches

Step-by-step explanation:

Mark me brainliest : ) do good

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Use a number line to solve equation -3+2+4-5= pleaseee helppppp

miskamm [114]

Answer:

-2

Step-by-step explanation:

-3+2=-1

-1+4=3

3-5=-2

5 0

3 years ago

A random sample of 100 recorded deaths in the United States during the past year showed an average life span of 71.8 years. Assu

Oliga [24]

Answer:

This indicates that the chances of the mean life span today is greater than 70 years is 0.5871

Step-by-step explanation:

The past year showed an average life span of 71.8 years.

$\mu = 71.8 years$

Population standard deviation = 8.9 years

$\sigma = 8.9 years$

We are supposed to find the mean life span today is greater than 70 years

i.e. P(X>70)

Formula : $Z = \frac{x-\mu}{\sigma}$

$Z=\frac{70-71.8}{8.9}$

Z=−0.202

P(X<70)=0.4129

P(X>70)=1-P(X<70)=1-0.4129=0.5871

Hence This indicates that the chances of the mean life span today is greater than 70 years is 0.5871

7 0

3 years ago

Read 2 more answers

What is 25 miles/hours equal to feet/seconds

taurus [48]

1 mile/hour = 5280 feet/(60 x 60) seconds = 1.467 feet/second

25 miles/hour = 1.467 x 25 = 36.67 feet/second.

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3 years ago

nter an equation and an answer to the following question: What is the original list price if the discount is $25 and the discoun

castortr0y [4]

Let us set up an equation, to determine the list price. X represents the original price

.12 * x = 25

In order to solve for X, you must divide .12 from both sides

x = 25/.12

After you divide, you should get the number 208.33

25/.12 = 208.33

So, the original list price is $208.33

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3 years ago

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Marco would like to hang a banner over his shoe store. He has two ladders and would like to know how high above the ground each

GuDViN [60]

13 divided by 11.3 is 1.150442477876106. So 15 by 1.150442477876106 and you get 13.03846162772485. Just round it to the nearest tenth and you get 13.0.

5 0

2 years ago