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amid [387]
3 years ago
7

How far is the woman traveling if she is driving 25mph?

Mathematics
1 answer:
Degger [83]3 years ago
5 0

Answer:

C.12.50

Step-by-step explanation:

25 mph is your rate. Whilst your time is half of an hour. 25 * .5 = 12.5.

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the length of a rectangle with area 54 square centimeters is 9 centimeters. what is the perimeter of the rectangle, in centimete
MaRussiya [10]

Answer:

30 cm

Step-by-step explanation:

To find the perimeter of the rectangle, you first need to find the width and length of the rectangle:

54/9 = 6

L = 9

W = 6

The perimeter is 2lw:

The answer is 30 cm

5 0
3 years ago
Read 2 more answers
Trevor needs to use the most precise measurement when measuring orange juice to add to a mix. Which unit of measure should he us
dimaraw [331]
He should use ounces to measure
3 0
3 years ago
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Please help me , btw it’s study island .
Anni [7]

a. The water in the second tank decreases at a faster rate than the water in the first tank. The initial water level in the first tank is greater than the initial water level in the second tank.

Step-by-step explanation:

Step 1:

It is given that the time remaining in first tank is given by the equation y = -10x + 80. We can get the total water in the tank by substituting x = 0 in the equation. The total volume of water in first tank is 80 litres.

Step 2:

The value of y in the equation y = -10x + 80 will be 0 when the tank is fully empty. When y = 0 , 10x = 80, so x = 8. We can conclude that the first tank empties fully in 8 minutes.

In 8 minutes 80 litres of water is emptied from first tank. So the water in the first tank decreases at  rate of 80 / 8 = 10 litres per minute

Step 3:

As per the given table for the second tank, 60 litres of water remains when x =0. So the total volume of water in the second tank = 60 litres.

Step 4:

As per the given table for the second tank, the volume becomes 0 in 5 minutes. In 5 minutes 60 litres of water is emptied from second tank. So the water in  second tank decreases at rate of 60 / 5 = 12 litres per minute.

Step 5:

The initial volume of water in first tank is higher. The water in  second tank decreases at a faster rate than the first tank.

Step 6:

The only correct option is:

a. The water in  second tank decreases at a faster rate than the water in the first tank. The initial water level in  first tank is greater than the initial water level in the second tank.

5 0
3 years ago
Determine if the triangles are similar . If they are, indicate whether they are similar
quester [9]

Answer:

3 is similar, and 4 is not.

Step-by-step explanation:

3 is similar as all the ratios turn out to be 4/1, and 4 is not similar as 6/8 does not equal 10/14.

4 0
3 years ago
A scientist is about to collect data to compute a 95% confidence interval, but he is unsure of what a 95% confidence interval re
Zarrin [17]

Answer:

c. confidence/probability

Step-by-step explanation:

The margin of error of a confidence interval is:

M = T*s.

In which T is related to the confidence level and s is the standard deviation of the sample.

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

Before the sample is chosen

We choose our confidence level, which will determine the value of T. So the first answer is confidence.

After the sample is chosen

We are 95% sure that the true mean is in the sample. So the second answer is probability.

So the correct answer is:

c. confidence/probability

6 0
3 years ago
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