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Elena-2011 [213]
3 years ago
10

What value of x makes the equation true?

Mathematics
2 answers:
Nina [5.8K]3 years ago
7 0
The awnser is b considering plugging it in instead of x and you get the correct awnser
soldier1979 [14.2K]3 years ago
3 0
This one is easy.
<span>–8.6 = –4.1 + x
</span>
So, what you have to do is add 4.1 on both sides. 
You do this because you want to get X alone. when you do,
-8.6+4.1=-4.5

X=-4.5
The answer is B
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Write an equation for the line, given that m= 0 and the y - intercept (0, -2)
stich3 [128]

Remember that the slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

so...

m = 0

b = -2

^^^Plug these numbers into formula

y = 0*x - 2

y = 0 - 2

y = -2

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3 0
3 years ago
Read 2 more answers
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fai
azamat

Answer:

Probability (Both fail)  = 0.001369

Probability (None fails) =0.927369

Probability (at least one fails)   = 0.072631

Step-by-step explanation:

given data

Probability (fail) P = 0.037

two alternators is  independent

solution

we get here first  probability that both will fail will be

Probability (Both fail) = 0.045²    ................1

Probability (Both fail)  = 0.001369

and

now we get probability that neither will fail

Probability (None fails) = (1-0.037)²              ...............2

Probability (None fails) =0.927369

and

now we get probability that at least one fails

Probability (at least one fails)  = 1 - Probability (non fails)     .................3

Probability (at least one fails)   = 1 - 0.927369

Probability (at least one fails)   = 0.072631

3 0
3 years ago
A binomial event has n = 50 trials. The probability of success for each trial is 0.60. Let x be the number of successes of the e
babunello [35]

Answer:

30 and 3.4641

Step-by-step explanation:

The mean of a binomial distribution is:

μ = np

And the standard deviation of a binomial distribution is:

σ = √(npq)

Here, n = 50, p = 0.60, and q = 0.40.

μ = np = 50 × 0.60 = 30

σ = √(npq) = √(50 × 0.60 × 0.40) = 3.4641

3 0
2 years ago
Read 2 more answers
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3241004551 [841]
During one hour of television there are two shows on. That would be the ratio 1:2. We need to find 3:?. Since 1×3 is 3, we multiply the second number by 3 as well. 2×3 is 6. So the ratio would be 3:6.
4 0
2 years ago
How many odd numbers are there between twenty and forty?
inna [77]

Answer:

Total 10

Step-by-step explanation:

21. 23, 25, 27, 29, 31 , 33, 35, 37, 39.

hope this helps you

5 0
2 years ago
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