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ELEN [110]
3 years ago
5

Which number supports the given conjecture?

Mathematics
1 answer:
taurus [48]3 years ago
5 0
The correct answer is B.
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A jar has five different colors of gum balls in it. Blue gum balls comprise 20% of the total number of candy. There are 10 more
Maurinko [17]
Let the total number of gum balls in the jar be x, then the number of blue balls in the jar is 0.2x and the number of green balls is 10 + 0.2x and the number of red balls are 0.5(0.2x) = 0.1x.

Let the initial number of yellow balls in the jar be y, then \frac{4}{7} = \frac{0.1x}{y} \Rightarrow4y=0.7x\Rightarrow y=0.175x

The initial number of white balls was 0.275x.

Thus, 

x-0.2x-(10+0.2x)-0.1x-0.175x=0.275x \\  \\ \Rightarrow0.525x-10-0.2x=0.275x \\  \\ \Rightarrow0.325x-0.275x=10 \\  \\ \Rightarrow0.05x=10 \\  \\ \Rightarrow x= \frac{10}{0.05} =200

Thus, the initial number of yellow balls was 0.175x = 0.175(200) = 35.
The initial number of white balls was 0.275x = 0.275(200) = 55.
One-fifth of white balls = 1/5(55) = 11.

Therefore, the number of yellow balls in the jar was 35 + 11 = 46.
7 0
3 years ago
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Camille buys $50 worth of books at Target. She has a coupon for 10% off her entire purchase. What is the total cost of the books
sveta [45]

my answer olakia

Step-by-step explanation:

3 0
3 years ago
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HELP PLEASE I'LL MARK BRAINLEST!!
Jet001 [13]

Answer:

s = \sqrt{60}

Step-by-step explanation:

A = s^{2}

so:

\sqrt{A} = \sqrt{s^2}

s = \sqrt{A}

A = 60

Therefore:

s = \sqrt{60}

8 0
4 years ago
HELP ASAPPPP
Nostrana [21]

Answer:

More than half of the people surveyed in each sample chose oranges as their favorite fruit. Since most people in each sample chose oranges, it is likely that oranges are the favorite fruit of the entire population.

I hope this helps you

Step-by-step explanation:

8 0
3 years ago
HELPPP THIS IS SO HARD Keegan and Jeff did some research and found that there are approximately 7,492,000,000,000,000,000 grains
IrinaK [193]

Answer:

Keegan is correct.

Step-by-step explanation:

Keegan is correct.

Put a decimal point after the first digit which is 7. Count decimal places there are after the 7, this will be your power of 10. There are 18 decimal places after the 7. This means the answer would be 7 x 10^18.

7 0
3 years ago
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