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3 years ago

I nee help with this question

Mathematics

1 answer:

Iteru [2.4K]3 years ago

5 0

Answer:

y^2+4y+8+22/y-2

Step-by-step explanation:

its simple math!

Please mark brainliest

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If x > 0, which of the following is positive? <br> 1. -x<br> 2. x^2<br> 3. (-x)^3<br> 4. 1/-x

lapo4ka [179]

Answer:

$x^2$

Step-by-step explanation:

$x > 0~\text{means that x is positive number.}$

$\text{Square of both negative and positive numbers are always positive.}\\\\\text{So,}~ x^2~\textbf{is positive.}$

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2 years ago

What's 65-70 days in weeks

dusya [7]

Answer:

About 9-10 weeks

Step-by-step explanation:

70/7= 10

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3 years ago

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Match each expression in the left column with the correct product in the right column.

lesya692 [45]

Answer:

-6

-6i

Step-by-step explanation:

1) √4 . √-3 . √-3

$\sqrt{4} = 2$

$\sqrt{-3} . \sqrt{-3} = (\sqrt{-3})^2$

$\sqrt{4} . (\sqrt{-3})^2 = 2 \times -3 =$ -6

2) √-4 . √-3 . √-3

$\sqrt{-4} = 2i$ .

Therefore, $\sqrt{-4} . \sqrt{-3} . \sqrt{-3} = 2. \sqrt{-1} \times -3 = 2i \times (-3) =$ - 6i

3) √4 . √3 . √-3

$\sqrt{4} = 2$

$\sqrt{3} . \sqrt{-3} = (\sqrt{3})^2 . \sqrt{-1}$

$\implies 2 \times 3i =$ 6i

4) √4 . √3 . √3

$\sqrt{4} = 2$

$\sqrt{3} . \sqrt{3} = (\sqrt{3})^2 = 3$

Therefore, √4 . √3 . √3 = 2 . 3 = 6

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3 years ago

a sixth grade student brought three cans of tennis balls for $4 each sales tax for all three cans was $0.95 write an expression

JulijaS [17]

Answer:

An expression that would show how much the student paid is 3(4) + 0.95, which can be solved to be 12.95

Step-by-step explanation:

We know that we need to multiply the number of cans (3) by the price of the cans (4). We also know the sales tax for the total is 0.95, which can simply be added to the end.

8 0

3 years ago

HELP ASAP!!

mr Goodwill [35]

C I believe hope this is correct :)

3 0

4 years ago

Read 2 more answers