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3 years ago

Factor 5x - 15 factor -8x - 40

1 answer:

8 0

5x-15 after factoring out the 5 you will get 5(x-3) because 15 divided by 5 is 3 so for the first one the answer is 5(x-3)
-8x-40 after factoring out the -8 you will get -8(x-5) as 40 divided by 8 is 5

Hope that helps have a good day! :)

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Ms. Graves gave her class 124 minutes to read. Carrie read 5 and a 1/2 pages in that time. At what rate, in pages per ¼ of a day

Dmitrij [34]

Answer:

600 pages ithink I hope I helped

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3 years ago

What is the volume of a sphere with a diameter of 4 meters? (Use 3.14 for π.)

mixer [17]

Answer:

volume of the sphere = $33.493m^3$

Step-by-step explanation:

Given:

$Diameter= 4 m$ , $Radius = 4/2 =2 m$

Volume of a sphere= $\frac{4}{3} *\pi* r^3$

= $\frac{4}{3} *\pi* 2*2*2$ : $\pi =3.14$

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3 years ago

I borrowed $400 to buy an MP3 player. I got a two-year loan, and the lender is charging 8% simple annual interest. How much mone

vlabodo [156]

Answer:

$464

Step-by-step explanation:

Amount to be repaid = loan amount + interest on the loan

Interest on the loan = loan amount x time x interest rate

loan amount = $400

Time = 2 years

interest rate = 8%

400 x 0.08 x 2 = $64

Amount to be repaid = $400 + $64 = $464

5 0

3 years ago

Please answer ASAP! All help is deeply appreciated! Stay safe!

NNADVOKAT [17]

Answer:

C. 150

Step-by-step explanation:

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3 years ago

Formúla General a) 4x²=9x-2=0 b) X²+8x-84=0

makkiz [27]

Answer: a) $x=\dfrac{-9 \pm\sqrt{113} }{8}$

b) x₁ = - 14; x₂ = 6.

Step-by-step explanation:

a) 4x² + 9x - 2 = 0

$x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=4; \: \: b=9; \: \: c=-2\\x =\dfrac{-9 \pm \sqrt{9^{2}-4 \cdot 4 \cdot (-2) } }{2 \cdot 4} =\dfrac{-9 \pm\sqrt{113} }{8}$

b) x² + 8x - 84 = 0

$x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=1; \: \: b=8; \: \: c=-84\\\\x =\dfrac{-8 \pm \sqrt{8^{2}-4 \cdot 1 \cdot (-84) } }{2 \cdot 1} =\dfrac{-8 \pm\sqrt{400} }{2}=\dfrac{-8 \pm 20}{2} =-4 \pm 10\\\\x_{1} =-14\\x_{2} =6$

7 0

3 years ago