MATHEMATICS COLLEGE

4x+10y=-20 into slope-intercept

Answers

Answer 1
Answer: y = -2/5x - 2

Hope this helps (:
Answer 2
Answer: 10y=-20-4x
y=-20/10 -4x/10
y=-2-2x/5
y=-2x/5-2

ANSWER:
y=-2x/5-2

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How do you write 1.8 × 10^1 in standard form?
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Can someone explain how to solve this I'm really confused

1/2 to the power of 3

Answers

Answer:

1/8

Step-by-step explanation:

1/2 cubed is just 1/2*1/2*1/2 which is 1/8

Answer:

1  / 8 Fraction  0.125 decimal

Step-by-step explanation:

If In (x) = 3.53, what is the value of x ?

Answers

I need more information please ?

Need to be able to check my work with this problem.

Answers

Answer:

You are correct

Step-by-step explanation:

Hi,

(f+g)(x)=6x-12+3x+8=9x-4\n\n(f-g)(x)=6x-12-3x-8=3x-20

Thanks

Martin can travel 174 miles in 3 hours. At this rate, how far can he travel in 7.

Answers

Answer:

I believe the answer is 406 miles.

Let me know of this is the correct answer

The temperature outside in -5°C on Monday. Overnight it drops by 3°C. Between 9 am and noon the next day it rises 2°C. What is the temperature on Tuesday at noon?

Answers

Answer:

-6

Step-by-step explanation:

-5-3=-8

-8+2=-6

you subtract 3 from the Total temperature then and 2 to the answer

Suppose a regional computer center wants to evaluate the performance of its memory system. One measure of performance is the average time between failures of its disk drive. To estimate the value, the center recorded the time between failures for a random sample of 45 drive failures. The sample mean has been computed to be 1,762 hours and the sample standard deviation is 215. Estimate the true mean time between failures with a 90% confidence interval? Interpret the confidence interval.

Answers

Answer:

The 90% confidence interval is (1408.325 hours, 2115.675 hours).

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = (1-0.9)/(2) = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645

Now, find M as such

M = z*s

In which s is the standard deviation of the sample. So

M = 1.645*215 = 353.675

The lower end of the interval is the mean subtracted by M. So it is 1762 - 353.675 = 1408.325 hours.

The upper end of the interval is the mean added to M. So it is 6.4 + 0.3944 = 2115.675 hours.

The 90% confidence interval is (1408.325 hours, 2115.675 hours).
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Can you help me simplify it?
If a number has 8 as a factor, then both 2 and 4 are factors