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natta225 [31]
3 years ago
14

A comet travels at an average speed of 233,000 km/h.

Mathematics
1 answer:
mixer [17]3 years ago
3 0

Answer:

39,144,000 km

Step-by-step explanation:

Hi there!

Distance traveled = time * speed

Given speed: 233000 km/h

Given time: 7 days

It's important to note that our speed is given in per hours and out time is given in days. So in order to find how far the comet has traveled we must convert days to hours.

There are 24 hours in 1 day.

So to convert days to hours simply multiply amount of days by 24

24 * 7 = 168

So the comet has traveled for 168 hours

Now we can find distance traveled

Once again distance traveled = time * speed

Given speed is 233000 km/h

Given time is 168 hours

Distance = 168 * 233000 = 39,144,000

So the comet has traveled for a total distance of 39,144,000 km

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Answer:

p = 0.07

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p0 = 0.07

p-value = 0.003

Step-by-step explanation:

p = population parameter, in this case, the rate of infestations across all trees in the forest

p-hat = test statistic, in this case, the rate of infestations found in the sample of trees, i.e. those in Doug's backyard

p0 = the null hypothesis, in this case, the rate of infestations within the forest is correctly evaluated at 0.07 or 7%

p-value = the likelihood any difference between p and p-hat is down to chance

In this case 0.003 as the p-value means there is only 0.3% probability of our statistic value of 0.035 being down to variability and chance meaning it is 99.7% likely that there is some reason behind this difference;

We would accept the alternative hypothesis which says the current parameter value, 0.07, is in fact incorrect (either too high or too low, in this case, likely too high).

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How do you create your equations when working on a mixture word problem?

Let's try to think about the general form of a word problem involving mixtures.

In general, we have the following scenario:

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we know the unit prices for both kinds of products and for the final mixture

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we know the total quantity formed by the mixture of the two products (

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we have to find out the quantities of each product needed to form the mixture

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Answer:

Step by Step Solution

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STEP

1

:

3

Simplify ——

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1

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3

((((2•(x2))-5x)-——)+2x)-3

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STEP

2

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Equation at the end of step

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3

(((2x2 - 5x) - ——) + 2x) - 3

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3

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Rewriting the whole as an Equivalent Fraction

3.1 Subtracting a fraction from a whole

Rewrite the whole as a fraction using x2 as the denominator :

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2x2 - 5x = ———————— = ———————————————

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Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

STEP

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:

Pulling out like terms

4.1 Pull out like factors :

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Adding fractions that have a common denominator :

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Add the two equivalent fractions which now have a common denominator

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Equation at the end of step

4

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(2x4 - 5x3 - 3)

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STEP

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Rewriting the whole as an Equivalent Fraction :

5.1 Adding a whole to a fraction

Rewrite the whole as a fraction using x2 as the denominator :

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Polynomial Roots Calculator :

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Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F(x)=0

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