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3 years ago

11

If 7/8 gallon of soil contains 1/8 the amount of soil a landscaper needs to fill a hole completely how much soil does it take to

fill the hole

1 answer:

stepan [7]3 years ago

6 0

Answer:

1 gallon

Step-by-step explanation:

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When we keep the same base do we multiply the exponent add or subtract

Artemon [7]

Answer:

multiply the exponent

Step-by-step explanation:

4 0

3 years ago

What is the answer to this question?

Ahat [919]

Answer:b,s, or r

Step-by-step explanation:because s,b, and r are close to the black dot. R really not much but its pointed in the black dot in the bottem right cornner

5 0

3 years ago

Nadia wants to fill her rectangular fish tank with water. The dimensions of the fish tank are 2x 1x 1.5. How much water will Nad

lesya692 [45]

Nadia needs 3 to fill up the tank. Because volume is base x width x height, just multiply the dimensions to find the volume.

3 0

3 years ago

The 6 participants in a 200-meter dash had the following finishing times (in seconds): 27, 28, 27, 25, 24, 31 Assuming that thes

ollegr [7]

Answer:

Standard deviation of the population is 2.4

Step-by-step explanation:

Finishing times of 6 participants in 200 meter dash has been given as 27, 28, 27, 25, 24, 31.

We have to calculate the standard deviation of the population formed by these timings.

Formula of standard deviation is

$\sigma=\sqrt{\frac{\sum(x-\mu)^{2}}{n} }$

where $\sigma$ = standard deviation

$\mu$ = mean of the data

n = number of scores in the sample

Mean of given data = $\frac{27+28+27+25+24+31}{6}=27$

$\sum(x-\mu)^{2}=(27-27)^{2}+(28-27)^{2}+(27-27)^{2}+(25-28)^{2}+(24-27)^{2}+(31-27)^{2}$

= $0+1+0+4+9+16$

= 30

Now $\frac{\sum(x-\mu)^{2}}{n}=\frac{30}{6}=5$

$\sigma=\sqrt{5}$ = 2.236 ≈ 2.24

Therefore, standard deviation of the given data is 2.24

5 0

3 years ago

Can I get help please ?

murzikaleks [220]

Answer:

8

Step-by-step explanation:

1) let’s take the original number as “x”

So

3x=28-0.5x

Lol don’t worry I’ll show you how I got that

So it says 3 times a number. That tells me my number, X is multiplied by 3 so I have

3x so far

Next it says “is equal to”, this tells me my number 3x is equal to something so I have this now:

3x=

After that it says “half of a number” so I know I will have 0.5x subtracted from 28. Since it says subtracted from 28 that means my number will be subtracted from 28, not the other way around so

3x=28-0.5X

Now I can solve this by bringing “-0.5” to the left.

3x+0.5x=28

3.5x=28

Divide both sides by 3.5 and

X=8

4 0

4 years ago