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timofeeve [1]
4 years ago
10

Can someone plz help me with the problems 7-20 plz. Thank you.

Mathematics
1 answer:
DaniilM [7]4 years ago
5 0
For no. 7 x=1 since 1*1 is 1 and 1-1 is 0
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What's is the answer to <br>-9+s=31
MrRa [10]

S = 40. 40 - 9 = 31.

First add. then subtract

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4 years ago
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A jar contains 4 blue, 11 pink, 5 red, and 6 orange jellybeans. Once is selected, replaced, then another is selected. Find P(blu
faltersainse [42]

Answer:

P(blue then red)=5/169

Step-by-step explanation:

the probability of picking the blue is 4/26 it's replaced so the total jellybeans doesn't change therefore the sample space doesn't change. the probability of picking a red is 5/26

to find the probability of picking them in that order, you multiply the two together

(4/26)x(5/26)=20/676

reducing that we get:

P(blue then red)=5/169

4 0
2 years ago
Which of the following represents "eight times the difference of a number and three is sixty-four"?
ExtremeBDS [4]
It represents 8(n - 3) = 64. 
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3 years ago
Company A charges a flat fee of $50 dollars and $10 dollars per every hour of work. Company B charges no flat fee and $20 dollar
vlada-n [284]

Answer:

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Step-by-step explanation:

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5 0
4 years ago
Find the volume of the solid generated by revolving the region bounded by the lines and curves about the x-axis. y = x, y =1, x
liraira [26]

Answer:

The volume is: V = \frac{\pi}{3} cubic units

Step-by-step explanation:

Volume of a solid:

The volume of a solid, given by the function f(x), over an interval between a and b, is given by:

V = \pi \int_{a}^{b} (f(x))^2 dx

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This means that the upper function is y = 1, and the lower function is y = x. So

f(x) = (1 - x)

The lower limit of integration is x = 0.

The upper limit is y = x when y = 1, so x = 1.

Then

V = \pi \int_{a}^{b} (f(x))^2 dx

V = \pi \int_{0}^{1} (1-x)^2 dx

V = \pi \int_{0}^{1} (1-2x+x^2) dx

V = \pi (x-x^2+\frac{x^3}{3})|_{0}^{1} dx

V = \pi(1 - (1^2) + \frac{1^3}{3})

V = \frac{\pi}{3}

8 0
3 years ago
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