2 years ago

HELPP WHATS THE ANSWERRR

Mathematics

1 answer:

sergejj [24]2 years ago

6 0

Answer:

Step-by-step explanation:

X can’t have 2 y’s

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A pool was filled with 8.2 times 10 Superscript 3 gallons from one hose and 9.4 times 10 Superscript 3 gallons from another hose

prisoha [69]

Answer:

1.76 x 10⁴ gallons

Step-by-step explanation:

8.2 x 10³ + 9.4 x 10³ = 17.6 x 10³

Although correct 17.6 x 10³ is not in scientific notation

which is

1.76 x 10⁴ gallons

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3 years ago

The circumference of a bowling ball is 8pi in. Find the surface area of the bowling ball. Express your answer in terms of pi.

MrRa [10]

Surface area of a sphere (3D solid's name for ball shaped object) is given by

$SA = 4 \pi r^{2}$

We do not know the radius of the sphere but we can work it out from the circumference $8 \pi$

$Circumference = 2 \pi r$
$8 \pi =2 \pi r$
$r= \frac{8 \pi }{4 \pi }=2$

then
$SA=4 \pi (2)^{2} =16 \pi$

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3 years ago

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IrinaVladis [17]

Answer:

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Step-by-step explanation: Please click the crown thing near my answer if correct!

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2 years ago

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andrew-mc [135]

The equation would be y = -5/4x + 3.

To find slope you would use the slope formula of (y2-y1)/(x2-x1). This gives us the slope of -5/4. Then we find the y-intercept. When looking on the graph we see the only y intercept is the point (0,3), so we get the number 3.

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3 years ago

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Brooke has finished the first three chapters of a new book. There are 28 pages in the first chapter, 33 pages in the second, and

PtichkaEL [24]

Answer: yes. They all add up to 79

Step-by-step explanation:

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2 years ago

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