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bonufazy [111]
3 years ago
6

Find the value of x.

Mathematics
1 answer:
Andrej [43]3 years ago
6 0

Answer: 30 I think

Step-by-step explanation:

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Y=x^2+3x-7 y-5x+8=0 how many solutions are there
motikmotik
X^2+3×-7=5x-8
X^2-2x+1=0
(X-1)(x-1)=0
X=1 x=1


Y=1^2+3*1-7
Y=1+3-7
Y=4-7
Y=-3


×=1 y=-3
Solution = (1,-3)
Answer= one solution
7 0
3 years ago
Help PLEASE I will give you 30 points please
ohaa [14]

Answer

1) true

2)false

3)false

4)true

5)true

Step-by-step explanation:

7 0
3 years ago
Choose the correct simplification of the expression (2x7y)2(y5)3.
adoni [48]

Im taking this to mean (2 x^7 y)^2 (y^5)^3


= 4x^14 y^2 * y^15


= 4x^14 y^17 which is option 4

8 0
3 years ago
Read 2 more answers
This season, the probability that the Yankees will win a game is 0.49 and the probability that the Yankees will score 5 or more
yanalaym [24]

Answer:

0.226 = 22.6% probability that the Yankees will lose when they score 5 or more runs

Step-by-step explanation:

Conditional probability:

We use the conditional probability formula to solve this question. It is

In which

P(B|A) is the probability of event B happening, given that A happened.

is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

If the Yankees score 5 or more runs, either they win, or they lose. The sum of these probabilities is 1.

Probability that the Yankees win:

Event A: Scoring 5 or more runs.

Event B: Winning

The probability that the Yankees will score 5 or more runs in a game is 0.53.

This means that

The probability that the Yankees win and score 5 or more runs is 0.41.

This means that

So

0.774 probability that the Yankees will win when they score 5 or more runs

What is the probability that the Yankees will lose when they score 5 or more runs?

p + 0.774 = 1

p = 1 - 0.774

p = 0.226

0.226 = 22.6% probability that the Yankees will lose when they score 5 or more runs

4 0
3 years ago
In 6 years, a bond that paid 5.5% earned $594 interest. What was the principal of the<br> bond?
Ilia_Sergeevich [38]

Answer:

Principal = $1800

Step-by-step explanation:

594 =  \frac{p \times 5.5 \times 6}{100}

\frac{594 \times 100}{5.5 \times 6}

59400/33 = p

1800 = p

5 0
2 years ago
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