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3 years ago

PLEASE HURRY AND SOLVE. THIS IS FOR A QUIZ THAT I CANNOT RETAKE I WILL MARK BRAINLIEST TO WHOEVERS SOLVES THIS CORRECTLY FIRST

Mathematics

1 answer:

GalinKa [24]3 years ago

3 0

Answer:

B>-42

Step-by-step explanation:

Multiply 6 on both sides

youll get B

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X^4-28x^2=0 solve algebraically

Paha777 [63]

$x^4 - 28x^2 = 0$

$x^2(x^2 - 28) = 0$

$x^2 = 0 \ \ or \ \ (x^2 - 28) = 0$

$x = 0 \ \ or \ \ x^2 = 28$

$x = 0 \ \ or \ \ x = \pm \sqrt{28}$

$x = 0 \ \ or \ \ x = \pm2 \sqrt{7}$

---------------------------------------------------
Answer : x = 0 or 2√7 or -2√7
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8 0

3 years ago

Guys look at the pic of the park and read the question I need this ASAP WITH ALL STEPS the choices are

Alik [6]

Answer:

A. 821.5 Square Yards

Step-by-step explanation:

30 x 30= 900

900 is the area for the whole park

To find the pool area you need to do pi times Radius squared

so 3.14 x 5 x 5

That equals 78.5 for the pool area.

So to find the grass area you need to subtract the pool area from the park

900 - 78.5 = 821.5 square yards!

5 0

3 years ago

You start at (10, 2). you move up 2 units and down 4 units. where do you end?

DochEvi [55]

You end up at (10,0)

4 0

4 years ago

Heyy I really need help. I don't understand any of this.

mart [117]

Answer:

The parenthesis means to multiply the numbers. I don't understand any of these either but I hope this helps.

Step-by-step explanation:

4 0

3 years ago

Blank% of 50 shirts is 35 shirts

Alex787 [66]

Answer: 70%

Step-by-step explanation:

A percentage is a way of writing a fraction, but with a denominator of

100

Asking the question a different way makes it easier to understand.

What percent is

shirts out of

This indicates that there is a fraction.

Make the denominator

100

Or to make a percent:

fraction

100

7 0

2 years ago