3 years ago

Sally has 10.00 worth of coins and all of the coins are equal how many coins of each does she have?

Mathematics

1 answer:

Yanka [14]3 years ago

7 0

20 quarters
5x 4 =20
hope it helped bye

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Determine the product: (46.2 × 10–1) ⋅ (5.7 × 10–6). Write your answer in scientific notation.

lianna [129]

Answer:

Step-by-step explanation:

10-6 X 10-1 = 10-7

5.7*46.2=263.34

263.34=2.6334 x 10^2

10^2 x 10^-7 = 10^-5

=2.6334 x 10-5

7 0

2 years ago

There are 12 men and 24 women in a chorus. What percent of the entire chorus is composed of women?

kati45 [8]

About 66 percent.
Because 24/36 are women, keep simplifying that divide by 6, 4/6, divide by 2, 2/3 = 0.66 = 66%.

7 0

3 years ago

Sound travels about 340m/s the function d(t)=340t gives the distance d(t) in meters that sound travel in t seconds how far does

Lunna [17]

Answer: 10540 meters

Step-by-step explanation:

d(t) = 340t

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d(31) = 340 * 31

d(31) = 10540 meters

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3 years ago

Two researchers, Jaime and Mariya, are each constructing confidence intervals for the proportion of a population who is left-

soldi70 [24.7K]

Answer:

Jaime's. Interval not centered around the point estimate.

Step-by-step explanation:

When constructing a confidence interval based on a point estimate, the obtained point estimate must be the central value of the interval.

For Jaime's interval

Lower bound = 0.078

Upper Bound = 0.193

$Central = \frac{0.078+0.193}{2} =0.1355$

For Mariya's interval

Lower bound = 0.051

Upper Bound = 0.189

$Central = \frac{0.051+0.189}{2} =0.12$

For a point estimate of 0.12, only Mariya's interval is adequate since Jaime's is not centered around the point estimate.

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2 years ago

If x=y and y=2 then 3x=

meriva

I believe that the answer is 6. Feel free to check yourself but i think its 6

5 0

2 years ago

Read 2 more answers