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3 years ago

What is the value of -97-7 when /= 2? -25 -18 11 45

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

5 0

Step-by-step explanation:

there must be something wrong or missing in your problem description.

what I can read here :

-97 - 7 when divided by 2

-97 - 7 = -104

this divided by 2 is -52.

but there is no such answer.

so, the provided answers and the problem description do not fit to each other.

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Find the domain of the function (f/g)(x) where f(x)=√x+1, g(x)=√x-9

nadya68 [22]

Answer:

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Step-by-step explanation:

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4 years ago

Fraction Problem, need help

igor_vitrenko [27]

The answer is the 1st one

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3 years ago

It takes three identical water pumps 8 hours to fill a pool, What is the constant of variation?

BaLLatris [955]

Answer:

Constant of variation is 24.

Step-by-step explanation:

Inverse variation states that a relationship between two variables in which the product is remain constant.

If one variable increases then, the other one decreases in proportion so that the product is unchanged,

if y is inversely proportional to x i.e $y \propto\frac{1}{x}$ or

$y =\frac{k}{x}$ ;where k is the constant of variation.

It is given that 3 identical water pumps takes 8 hours to fill a pool,

since, it will take less time with more pumps, so it is an inverse variation.

By definition of inverse variation;

$time = \frac{k}{pump}$

Substitute the values to solve for k;

$8 = \frac{k}{3}$

Multiply by 3 to both sides we get;

$8 \times 3 = \frac{k}{3} \times 3$

Simplify:

k = 24

Therefore, the constant of variation is, 24

3 0

3 years ago

Mara found the length of time of an investment. The principal of the investment was $4,300, the interest rate was 6.2 percent, a

Ivanshal [37]

The error that Maria made is that she did not divide correctly.

<h3>What error did Maria make?
</h3>

The simple interest that is paid on an amount of money is a function of the amount deposited, time and interest rate.

Simple interest = principal x time x interest rate

2666 = 4300 x 0.062 x t

2666 = 266.60t

t = 2666 / 266.60

t = 10 years

To learn more about simple interest, please check: brainly.com/question/27328409

#SPJ1

3 0

2 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7Bx%20-%203%7D%20%2B%20%20%5Csqrt%7Bx%20%2B%205%7D%20%20%3D%204" id="TexFormula1" t

Nuetrik [128]

Answer:

x = 4

Step-by-step explanation:

√x-3 + √x+5 = 4

(√x-3)² = (4-√x+5)²

x-3 = 16 - 8√x+5 + x+5 | -x

- 3 = 21 - 8√x+5

- 24 = - 8√x+5 | ×(-1)

24 = 8√x+5 | : 8

3 = √x+5

3² = (√x+5)²

9 = x + 5

x = 4

3 0

3 years ago