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3 years ago

A sock drawer contains 5 different colors of socks. It has 20 white, 10 black, 10 gray, 6 red, and 4 purple. If you

Mathematics

2 answers:

SVEN [57.7K]3 years ago

9 0

Question

A sock drawer contains 5 different colors of socks. It has 20 white, 10 black, 10 gray, 6 red, and 4 purple. If you reach into the drawer and choose a sock randomly, what is the probability you will get a black sock?

P (black) = StartFraction Number of favorable outcomes over Total number of outcomes EndFraction

Answer:

1/5

djyliett [7]3 years ago

8 0

Answer:

Added all together= 50

Black socks= 10

10/50

Step-by-step explanation:

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Osvoldo has a goal of getting at least 30% of his grams of carbohydrates each day from whole grains. Today, he ate 220 grams of

saw5 [17]

Answer:

Osvoldo did not meet his goal

Step-by-step explanation:

To know the percentage of carbohydrates that Osvoldo ate from grains with respect to the total, we simply have to divide the amount of carbohydrates he got with the grains by the total

55 / 220 = 0.25

then to express it as a percentage this number has to be multiplied by 100

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25% < 30%

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3 years ago

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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
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3 years ago