I need help on this please

Mathematics

1 answer:

SVETLANKA909090 [29]3 years ago

4 0

The correct answer is the option number 1, which is:

a(v)=√(3V/8)

The explanation is shown below:

To solve this problem you must apply the following proccedure:

1. You must use the formula for calculate the volume of a square pyramid, which is:

V=a²h/3

2. Therefore, when you clear a, you obtain:

3V=a²h
3V/h=a²
a=√(3V/h)

3. You have that heigth is 8, then:

a(v)=√(3V/8)

4. So, as you can see, the correct answer is the option mentioned above.

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Rachel worked 2.5 hours on Monday, 3.5 hours on Tuesday, 2 hours on Thursday, and 5 hours on Saturday. She is paid $10.66 per ho

Agata [3.3K]

Answer:

$138.58

Step-by-step explanation:

You would first set up an equation. You want to know how much money Rachel earned that week, so let's refer to that by using variable t for total money earned this week.

Next, we also know that Rachel is paid 10.66 per hour, so we'll be multiplying it by the number of hours she worked this week. This allows us to set our equation up as follows:

10.66(2.5+3.5+2+5) = t

You would now add like terms.

10.66(13) = t

You would now multiply 10.66 and 13(total number of hours worked this week).

This would get us 138.58, or the total numnber of money Rachel earned this week.

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I hope this helps you