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ELEN [110]
3 years ago
14

Which of the following points are solutions t the equation 3x - 4y - 8 = 12?

Mathematics
1 answer:
mixas84 [53]3 years ago
3 0

the answer is x = 20/3 + 4/3y

how to: 3x - 4y - 8 = 12

3x = 12 + 4y + 8

3x = 20 + 4y

x = 20/3 + 4/3y

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34​% of all doctors are family practitioners. If 3 doctors are selected at ​random, what is the probability that all 3 are famil
stich3 [128]

Answer:

0.039

Step-by-step explanation:

(0.34)(0.34)(0.34) = 0.34³

= 0.039304

= 0.039

7 0
3 years ago
30 = x + 22 <br><br> What does x equal to?
algol13

Answer:

x = 8

Step-by-step explanation:

30 = x + 22

subtract 22 from both sides

8 = x

8 0
3 years ago
A satellite system consists of n components and functions on any given day if at least k of the n components function on that da
Charra [1.4K]

Answer:

P = αP(x≥k,p1) + (1-α)P(x≥k,p2)

Step-by-step explanation:

The probability that k of n components function on a day follows a binomial distribution, so the probability is:

P(k,p)=nCk*p^{k}*(1-p)^{n-k}

Where p is the probability that a component function and nCk is \frac{n!}{k!(n-k)!}

So, the probability that at least k of the n components function on a day is:

P(x≥k,p) = P(k,p) + P(k+1,p) + P(k+2,p) + ... + P(n,p)

Then, if it is rain, the probability of the function p is equal to p1, if it isn't the probability p is equal to p2, so the probability P that the satellite system will function is:

P = αP(x≥k,p1) + (1-α)P(x≥k,p2)

Where, P(x≥k,p1) and P(x≥k,p2) are equal to:

P(x≥k,p1) = P(k,p1) + P(k+1,p1) + P(k+2,p1) + ... + P(n,p1)

P(x≥k,p2) = P(k,p2) + P(k+1,p2) + P(k+2,p2) + ... + P(n,p2)

4 0
3 years ago
How do i solve this
aleksandr82 [10.1K]
Replace g for -2 and h for 5.

(2(-2) + 9(5) -5) - (6(-2) - 4(5) +2)

Taking this one at a time,
2(-2) = -4, and 9(5) = 45.
6(-2) = -12 and -4(5) = -20

(-4 + 45 - 5) - (- 12 - 20 +2)

Let’s distribute the negative symbol to the right side.

(-4 + 45 - 5) + (12 + 20 - 2)

Then, we solve!
(-4 + 40) + (12 + 18)

(36) + (30)

= 66!
8 0
3 years ago
Read 2 more answers
Can someone please help me?
garik1379 [7]
The answer is b). (0,0)
8 0
3 years ago
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