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2 years ago

V=s^2+1/2sh solve for h

1 answer:

8 0

First, you separate the h variable by subtracting s^2 on both sides of the equation, getting
V - s^2 = sh/2
Then, all you have to do is divide both sides by s/2, so you get
h = 2*(v - s^2)/s as your final answer.

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A new movie is released each year for 12 years to go along with a popular book series. Each movie is 3 minutes longer than the l

frosja888 [35]

Answer:

$S_n=978\ minutes$

Step-by-step explanation:

Arithmetic sequences have the following form

$a_n=a_1+d(n-1)$

Where

$a_1$ is the first term of the series

d is the common difference between consecutive terms.

$a_n$ is the nth term.

The formula to find the sum Sn of the first n terms of an arithmetic series is:

$S_n=\frac{a_1+a_n}{2}*n$

In this case $n=12$ , $d=3$ , $a_1=65$

$a_{12}=65+3(12-1)$

$a_{12}=98$

Then:

$S_n=\frac{65+98}{2}*12$

$S_n=978\ minutes$

You can also find the sum through the following series

$S_n=\sum_{n=1}^{n=12}a_1+d(n-1)$

$S_n=\sum_{n=1}^{n=12}65+3(n-1)$

$S_n=\sum_{n=1}^{n=12}65+3(n-1)\\\\S_n=978$

5 0

2 years ago

7. You and a friend are paid $38.25 for doing yard

nata0808 [166]

Answer:

Step-by-step explanation: your friend would get 17$

and you would get 21.25

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2 years ago

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Answer:

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2 years ago

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A rectangle has a perimeter of 18 inches. a new rectangle is formed by doubling the with W in tripling the length L as shown the

vladimir1956 [14]

a) The dimensions of original rectangle are length= 5 and width= 4.

b) The dimensions of new rectangle are length= 15 and width=8.

Step-by-step explanation:

length of a rectangle = l
width of a rectangle = w
Perimeter of a rectangle = 2(l+w)

Original rectangle :

18 = 2(l+w)

18 = 2l + 2w ---------(1)

New rectangle :

46 = 2(3l+2w)

46 = 6l + 4w ---------(2)

Solving the equations :

Multiply (1) by 2 and subtract (2) from (1)

4l + 4w = 36

-(6l + 4w = 46)

-2l = -10

l = 10/2

length = 5 inches.

Substitute l=5 in (1)

18 = 2(5)+2w

18 = 10+2w

2w = 8

w = 8/2

width = 4 inches.

length of new rectangle = 3(l) = 3 $\times$ 5 = 15 inches.

width of new rectangle = 2(w) = 2 $\times$ 4 = 8 inches.

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2 years ago

Jillana takes a single dose of medication that remains in her body according to the equation r = 200(0.75)d, where r represents

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I looked at another online and it said letter A. (Not 100% sure)

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