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alexdok [17]
3 years ago
13

The weight of strawberries follows a normal distribution with a mean weight of 12 grams and a standard deviation of 2.5 grams. I

f a strawberry is randomly selected, what is the probability that the strawberry weighs less than 8.5 grams?
A. .1587
B. .2119
C. .0808
D. .2389
Mathematics
1 answer:
earnstyle [38]3 years ago
6 0
I believe the answer is A.
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The line has the same slope as 3x-y=5 and the same y-intercept as the graph of 4y-7x=16
ArbitrLikvidat [17]
Well standard form is Ax+By=C, so just move the -7x to the front so -7x+47=16
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3 years ago
A square has an area of 40 units^2. Write an expression for the perimeter of the square.
marta [7]

Answer:

\sqrt{40}=s

Step-by-step explanation:

The area of a square can be found by multiplying two of the sides of the square. So P=s*s, of "Perimeter equals side length time side length". We also know that all the sides of a square are the same side, so the perimeter of the sqaure can be found using the square by doing p=s^{2}.

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3 years ago
What times what equals 450
tankabanditka [31]
45\times10=450
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4 years ago
At a local school dance, the booster club is having a fundraiser selling pictures. Pictures without frames sell for $5, and with
Sergeu [11.5K]
Let p = pictures only
let f = pictures with frames

p + f = 100
5p + 10f = 875

Solve for one variable in the first equation then plug into the second

p = 100 - f
5(100 - f) + 10f = 875
500 - 5f + 10f = 875
500 + 5f = 875
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75 pictures with frames were sold
5 0
3 years ago
F(x)= 4x + 7 when x =2 and x = -2​
Liula [17]

Answer:

The answer for x=2 is, 15. And the answer for x=-2 is, -1.

Step-by-step explanation:

When you input x=2, it turns out to be (4.2)+7 which is 15. When you input x=-2, this will lead us to (4.(-2))+7 which is -1.

6 0
3 years ago
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