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2 years ago

Convert the following improper fraction into a mixed number : 52/7

1 answer:

3 0

So first we see how many times the denominator can go into the numerator which is 7 times and the remaining is 3
So to write that: 7 3/7

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Anyone know answer for number 4? My brain just isn’t working today hahaa

Dima020 [189]

Answer:

y=-6/5x + 1

Step-by-step explanation:

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2 years ago

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Good afternoon, can you help me please

Alexus [3.1K]

It would just be 14-10 each week so 14-10 14-10 14-10 and so on

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2 years ago

The function h(x) shown is the result of adding two

podryga [215]

Answer:

The domains of both f(x) and g(x) must be (–∞, ∞).

Step-by-step explanation:

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2 years ago

Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well

laiz [17]

Answer:

The value is $P(A) = 0.133617$

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 7.5$

The standard deviation is $\sigma = 0.2$

The safest water level is between 7.2 and 7.8

Generally the probability that the selected pool has a pH level that is not considered safe is mathematically represented as

$P(A) = 1 - P(7.2 \le X \le 7.8 )$

Here

$P(7.2 < X < 7.8 ) = P(\frac{ 7.2 - \mu }{\sigma } < \frac{X - \mu }{ \sigma }$

Generally $\frac{X - \mu }{ \sigma } = Z (The \ standardized \ value \ of X )$

$P(7.2 < X < 7.8 ) = P(\frac{ 7.2 - 7.5 }{0.2 } < Z$

$P(7.2 < X < 7.8 ) = P(-1.5 < Z$

=> $P(7.2 < X < 7.8 ) = P(Z < 1.5) - P( Z < - 1.5)$

From the z-table the probability of (Z < -1.5) and ( Z <1.5) are

$P(Z < 1.5) = 0.93319$

and

$P(Z < -1.5) = 0.066807$

$P(7.2 < X < 7.8 ) =0.93319 - 0.066807$

$P(7.2 < X < 7.8 ) =0.0866383$

$P(A) = 1 - 0.0866383$

=> $P(A) = 0.133617$

5 0

2 years ago

If Polly walks across the street to buy a cracker and the people who sell them only have one left and there's a long line out th

avanturin [10]

Let me break this down for you.

Polly walks across the street to buy a cracker (singular)

The sellers of the crackers only have 1 left to sell and there is a long line out the door.

Unless the owners have more frackers readily available to continue to sell, Polly will NOT get a cracker unfortunately.

Hope this helps! :)

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3 years ago