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Nataly [62]
3 years ago
7

Which of the following inequalities would have a solid line when graphed? Select all that apply.

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
8 0

Answer:

A. y>x−9y is greater than x minus 9

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Need asap help ,struggling !
zepelin [54]

Answer:

A.) x = 1000 kilowatt-hours

Step-by-step explanation:

Because Micah was charged 113.94 total for the month, this is the y value. We are trying to find x, how much electricity he used. We would start by making the equation: 113.94 = 0.11x + 3.94

Now, we need to get x alone.

(Subtract 3.94 from both sides) 110 = 0.11x

(Divide by 0.11) x = 1000 kilowatt-hours

Hope this helps!

3 0
4 years ago
Given: 4x=12x+32 prove: =-4
myrzilka [38]

Answer:

See explanation

Step-by-step explanation:

4x = 12x + 32

Subtract 12x from both sides

-8x = 32

Divide each side by -8.

x = -4

6 0
2 years ago
Read 2 more answers
A rectangle has a width of 5 meters and a length of 7 meters. A similar rectangle has a width of 15 meters. What is the length o
JulijaS [17]
I believe 21 because 5×3 is 15 so 7×3=21
6 0
3 years ago
Read 2 more answers
5B Let random variable X represent the number of heads minus the number of tails when a fair coin is tossed 9 times.
tamaranim1 [39]

Let H be the number of times a coin lands heads up. Then the coin lands tails up 9-H times, and X=H-(9-H)=2H-9. H follows a binomial distribution with p=0.5 and n=9, so that

P(H=h)=\begin{cases}\dbinom9h0.5^9&\text{for }h\in\{0,1,2,\ldots,9\}\\0&\text{otherwise}\end{cases}

Then we have

P(X=0)=P(2H-9=0)=P(H=4.5)=0

because H can only take on integer values. The other probability is

P(X=3)=P(2H-9=3)=P(H=6)\approx0.1641

In terms of H, we have Y=2H-8 and H follows a binomial distribution with n=8 and the same probability p as before, so that

P(H=h)=\begin{cases}\dbinom8h0.5^8&\text{for }h\in\{0,1,2,\ldots,8\}\\0&\text{otherwise}\end{cases}

Then we find

P(Y=0)=P(2H-8=0)=P(H=4)\approx0.2734

and

P(Y=3)=P(2H-8=3)=P(H=5.5)=0

5 0
3 years ago
I need help asap ):):):)
MArishka [77]
Actually the answer is B because answer doesn't include -3 so open circle on -3.
3 0
3 years ago
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