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Marizza181 [45]

3 years ago

13

-35x+85x-4=26 what is x

2 answers:

Kisachek [45]3 years ago

6 0

X=3/5 just add 4 to 26 then combine -35x and 85x to get 50x then divide both sides by 50 and simplify

pogonyaev3 years ago

5 0

The answers for the problem is x=0.6

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Carlie is out shopping and finds a 198.00 hat that is on sale for 90% of its original price. What is the new cost of the item? C

lbvjy [14]

I believe the new cost of the item is $19.80

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3 years ago

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madam [21]

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My small brain is collapsing because of this question please help

Viktor [21]

Answer:

Option A

Step-by-step explanation:

4 > - 3, correct as 4 is to the right of - 3
- 3 > 4, incorrect as - 3 is to the left of 4
- 2 < - 3, incorrect as - 3 is to the left of - 2
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4 0

2 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

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Advocard [28]

Answer:

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Step-by-step explanation:

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3 years ago