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2 years ago

please ingore wirthing im struggleing and thats all that is but i need help i didnt catch range and i cant figure it out

Mathematics

1 answer:

dimulka [17.4K]2 years ago

6 0

Hello from MrBillDoesMath!

Answer:

Domain restriction: -3 <= x <= 0

Range restriction: -4 <= y <= 0

Discussion

These numbers came directly from the graph. I am assuming the endpoints such as x = -3 are included in the domain.

Regards, MrB

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The length of a rectangle exceeds its breadth by 7cm. if the length is decreased by 4cm and the breadth is increased by 3cm, the

riadik2000 [5.3K]

Answer:

16cm

Step-by-step explanation:

Let the breadth = x

The length exceeds = x + 7

The breadth increased = x + 3

Because it said the length decreased by 4 so, the length would be:

x + 7 - 4 = x + 3

Original area:

We learn that:

area = length * breadth

x*(x+7) = (x+3)*(x+3)

x^2 + 7x = (x+3)^2

x^2 + 7x = x^2 + 6x + 9 (We also learn that (a+b)^2 = a^2 + 2ab + b^2

x^2 - x^2 + 7x - 6x = 9

x = 9 (so the breadth = 9)

The length = x + 7 = 9+7 = 16(cm)

Hope this help you :3

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2 years ago

Which of the following is the solution set of -2|x| < -8

Tema [17]

Answer:

${x| x < -4\:or\: x > 4}$

Step-by-step explanation:

−2|x| < −8 ↷

−2x > 8 −2x < −8

___ __ ___ ___

−2 −2 −2 −2

$-4 > x$ OR $4 < x$

Whenever you multiply\divide by a <em>negative</em>, you reverse the inequality symbol.

I am joyous to assist you anytime.

3 0

2 years ago

What is the answer to 0 > 3x - 3 - 6?

swat32

Answer:

3 = x

Step-by-step explanation:

0 > 3x - 3 - 6

You want to group up the -3 and -6 first

0 > 3x - 9

Then you want to add 9 to each side to cancel out the negative 9 on one side.

0 > 3x - 9

+9 +9

9 > 3x

Now you just divide by 3 on each side

$\frac{9 = 3x}{3}$

3 = x

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2 years ago

Leah gets paid $795 biweekly. What is the recommended monthly rent that she can afford?

Pepsi [2]

I would say since thats $1500+ a month about 600 dollars, because she will have bills and then have to buy food drinks and alot more.

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2 years ago

Read 2 more answers

one hose can fill a goldfish pond in 14 minutes, and the two hoses can fill the same pond in 10 minutes, find how long it takes

likoan [24]

Answer:

Step-by-step explanation:

$\frac{1}{14} +\frac{1}{t} =\frac{1}{10}$

Solving this ^^ would equal t=35.

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3 years ago