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GREYUIT [131]
3 years ago
11

Help please for my assesment

Mathematics
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

Ratio = 2 : 15

Step-by-step explanation:

Given

Ratio = 8 : 60

Required

Write in the simplest form

Ratio = 8 : 60

Divide by 2

Ratio = 8/2 : 60/2

Ratio = 4 : 30

Divide by 2

Ratio = 4/2 : 30/2

Ratio = 2 : 15

<em>The expression cannot be further simplified.</em>

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a tram moved upward 9 meters per second for 63 seconds. what was the total change in the trams elevation
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After 63 seconds the tram moved 567 meters upward
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Determine if the figures are similar. If they are, what is the scale factor from the first figure to the second figure?
lora16 [44]

Answer:

The scale factor is \frac{3}{2}

Step-by-step explanation:

Yes the figures are similar to each other. The ratio of their linear measurements is in uniform ration

The ration of radius of large cylinder (R) to that of the smaller cylinder (r) is

\frac{18}{12} \\\frac{3}{2}

Like wise the ration of height of large cylinder (H) to that of the smaller cylinder (h) is

\frac{30}{20} \\\frac{3}{2}

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3 years ago
Expand: In (4a)^3<br> help please
Gala2k [10]

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4 0
1 year ago
The perimeter of a triangle is 38cm. The first side is 10cm longer than the second side, the third side is twice as long as the
Natalija [7]
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Hope This Helped.
8 0
2 years ago
A 99% confidence interval for the difference between two proportions was estimated at 0.11, 0.39. Based on this, we can conclude
sladkih [1.3K]

Answer:

\hat p_1 -\hat p_2 \pm z_{\alpha/2} SE

And for this case the confidence interval is given by:

0.11 \leq p_1 -p_2 \leq 0.39

Since the confidenc einterval not contains the value 0 we can conclude that we have significant difference between the two population proportion of interest 1% of significance given. So then we can't conclude that the two proportions are equal

Step-by-step explanation:

Let p1 and p2 the population proportions of interest and let \hat p_1 and \hat p_2 the estimators for the proportions we know that the confidence interval for the difference of proportions is given by this formula:

\hat p_1 -\hat p_2 \pm z_{\alpha/2} SE

And for this case the confidence interval is given by:

0.11 \leq p_1 -p_2 \leq 0.39

Since the confidence interval not contains the value 0 we can conclude that we have significant difference between the two population proportion of interest 1% of significance given. So then we can't conclude that the two proportions are equal

4 0
3 years ago
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