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lubasha [3.4K]
2 years ago
8

How many apples did London have after she ate 6/10.

Mathematics
2 answers:
Alekssandra [29.7K]2 years ago
7 0
She would have 4 or 40 left depending on the fraction
Nataliya [291]2 years ago
5 0
She ate 6 out of her 10, so she would have 4 left
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Solve for y<br>7y + 9 - 10y = -18<br>What is y simplify your answer as much as possible.
Tpy6a [65]
Y = 9

7y - 10y = -3y
bring down the 9 = -18 so

-3y + 9 = -18

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3 years ago
In boot camp, a cadet must use a rope swing to cross an obstacle without falling into the water hazard below. Unfortunately, the
horrorfan [7]

Answer:

3.04m

Step-by-step explanation:

Time taken to swing the rope = 3.5s

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T = 2π√(L / 9.8)

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take the square of both sides

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12.25 = 39.48L / 9.8

39.48L = 12.25 × 9.8

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L = 120.05 / 39.48

L = 3.04m

The length of the rope is 3.04m

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3 years ago
This graph represents Andre's distance from his bicycle
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5 0
2 years ago
You work at a job where your average monthly earnings are $682 with a standard deviation of $49. Your mean monthly expenses are
Pavel [41]

Answer:

S = I-E.

We can find the expected value of S and we got:

E(S) = E(I-E) = E(I) -E(E)= 682-211=471

And that represent the mean of the amount of money into your savings account each month

And now we can find the variance of the random variable S like this:

Var(S) = Var(I-E) = Var(I) +Var(E) - 2Cov(I,E)

And since we know that Cov (I,E) =0 then we have:

Var(S) = Var(I) + Var(E) = 49^2 + 16^2 = 2657

And then the deviation would be:

Sd(S) = \sqrt{2657}= 51.546

And that represent the standard deviation of the amount of money you put in your savings account each month

Step-by-step explanation:

Let I the random variable that represent the income for each month and we know:

E(I) = 682, \sigma_I = 49

Let E the random variable that represent the monthly expenses for each month and we know:

E(E)= 211, \sigma_E = 16

And for this case we know that the random variables I and E are independent, so then Cov(I, E) = 0

We can define the random variable S representing the amount that we can save each month and we can define S = I-E.

We can find the expected value of S and we got:

E(S) = E(I-E) = E(I) -E(E)= 682-211=471

And that represent the mean of the amount of money into your savings account each month

And now we can find the variance of the random variable S like this:

Var(S) = Var(I-E) = Var(I) +Var(E) - 2Cov(I,E)

And since we know that Cov (I,E) =0 then we have:

Var(S) = Var(I) + Var(E) = 49^2 + 16^2 = 2657

And then the deviation would be:

Sd(S) = \sqrt{2657}= 51.546

And that represent the standard deviation of the amount of money you put in your savings account each month

3 0
3 years ago
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