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Lesechka [4]
3 years ago
10

19,999 round to the nearest thousand

Mathematics
1 answer:
natulia [17]3 years ago
8 0

Answer:

19,999 round to 20,000

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Two pumps connected in parallel fail indepen- dently of each other on any given day. The proba- bility that only the older pump
lions [1.4K]

Answer: 0.145

Step-by-step explanation:

Since,

the Probability of the older pump failing P(fail older) = 0.10

The probability of the newer pump failing P(fail newer) = 0.05

Therefore,

The Probability of the older pump not failing P(not fail older) = 1 - 0.1

P(not fail older) = 0.9

Also,

The probability of the newer pump not failing P(not fail newer) = 1 - 0.05 = 0.95

The probability of the pumping system failing = P(not fail older)* P(not fail newer) = 0.9*0.95

P(not fail system)= 0.855

Therefore,

The probability that the pumping system will fail = 1 - P(not fail system) = 1 - 0.855 = 0.145

The probability that the pumping system will fail one day is 0.145

3 0
3 years ago
Eva, David and Joshua gather and shell 2 1/2 pounds, 4 3/8 pounds and 3.25 pounds how many pounds would each person she'll?
Andreyy89
I dont know how to this but you probably make 4 3/8 and 2 1/2 into a decimal add all them together...

7 0
3 years ago
What is the slope of the line containing (-2, 5) and (4,-4)?
Pachacha [2.7K]

Answer:

Option C is correct.

Step-by-step explanation:

<h2>slope \:  =  \:  \frac{y2 - y1}{x2 - x1}</h2><h3>=  \frac{ - 4 - (5)}{4 - (2)}</h3><h3>=  \frac{ - 9}{4 + 2}</h3><h3>=  \frac{ - 9}{6}</h3><h3>= \frac{3( - 3)}{3 - 2}</h3><h3>=  -  \frac{3}{2}</h3><h3>Hope it is helpful....</h3>
5 0
3 years ago
ANSWER BOTH QUESTIONS FOR BRAINLIEST TY :)
Alchen [17]

Answer:

<h2>Angle X; 39</h2><h2>Angle Y; 129</h2>

Step-by-step explanation:

180-90

90

This gives us the measurement of 51+x.

90-51

39

This is x as well as the angle that is across from it.

x+90=y

39+90=129

y=129.

to find the last angle, we add 90 to 51. This gives us 141.

So, now we add up all of the angles to double check everything. If they all add up to 360 then we are correct.

39+39+51+90+141=

360.

This means that we have solved everything correctly and that these are the correct answers.

I know that this is really confusing but the answers that you need are at the top so hopefully this helped!

4 0
3 years ago
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Divide 3 by for to get 0.75 but that is a fraction
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