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Aliun [14]
3 years ago
14

Pls answer correctly brainliest and 29pts

Mathematics
2 answers:
pochemuha3 years ago
8 0

Answer:

A

Step-by-step explanation:

Distance covered by Amy in one hour = 1/3 x 15 miles = 5 miles

Distance covered by John in one hour = 1/5 x 30 miles = 6miles

As a result, John would  jog 1 mile (6-5)  farther than Amy, the answer is A

Vinvika [58]3 years ago
8 0

Answer: John goes 1 mile further than Amy

Step-by-step explanation:

Figure out how far each person can go in an hour

Amy can go 1/3 of a mile in 1/15 of an hour- Multiple by 15 to see how far she can go in 1 hour

\frac{1}{3} *15= \frac{15}{3}  = 5  so in 1 hour Amy can go 5 miles

John goes 1/5 of a mile in 1/30 of an hour- so multiple by 30 to see how far he goes in 1 hour

\frac{1}{5} * 30 = \frac{30}{5} = 6

John goes 6 miles in an hour

So John goes 1 mile further than Amy (6-5)=1

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katrin2010 [14]

Do you have a photo of the options?

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3 years ago
Read 2 more answers
The local swim team is considering offering a new semi-private class aimed at entry-level swimmers, but needs a minimum number o
SCORPION-xisa [38]

Answer:

The significance level is \alpha=0.01 and since we are conducting a right tailed test we need to find a critical value who accumulate 0.01 of the area in the right of the normal standard distribution and we got:

z_{\alpha/2}= 2.326

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Step-by-step explanation:

For this case we define the random variable X as the number of entry-level swimmers and we are interested about the true population mean for this variable . On specific we want to test this:

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Alternative hypothesis: \mu > 15

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z =\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}

The significance level is \alpha=0.01 and since we are conducting a right tailed test we need to find a critical value who accumulate 0.01 of the area in the right of the normal standard distribution and we got:

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7 0
3 years ago
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9) We need to find the limit as x approaches 2 of f(x) - g(x).
When we are approaching a certain value, we are essentially finding values that are infinitesimally approaching x = 2, to the point where we find the exact value when x hits 2.

Thus, by substituting x = 2 into f(x) - g(x), we are finding the value at which the functions' difference hits x = 2.

\lim_{x \to 2} [f(x) - g(x)] = \lim_{x \to 2}[\frac{3x + 2}{4} - x^{2} + 3]
= \frac{3(2) + 2}{4} - 2(2)^{2} + 3
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Every other question repeats this process, so by applying the above process, your answers should come out smoothly.
Let me know if you need any more assistance, and I can guide you through them.
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