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bixtya [17]
4 years ago
6

What average speed does he need to reach in his second round in order to attain the overall average speed of 60 miles per hour r

equired for the test?
Mathematics
1 answer:
soldi70 [24.7K]4 years ago
4 0
The average speed that he needs to reach in order to get to 60 miles per hour should be 4 seconds.

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Parallelogram ABCD ​ is a rectangle.
viktelen [127]

Answer:

AC=BD

AB\perp BC

Step-by-step explanation:

A parallelogram is a quadrilateral (4-sided polygon)  that has two pairs of parallel sides.  

In this sense, this figure shows a especial parallelogram called <u>rectangle</u>, since its four sides form right angles (90\°).

Hence:

AB\parallel DC

AD\parallel BC

AB=DC

AD=BC

AB\perp BC

AD\perp DC

So, the correct choices among the given options are:

AC=BD

AB\perp BC

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3 years ago
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Answer:

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3 years ago
The difference of two numbers is 5. The sum of three times the larger number and twice the smaller number is 30. What is the sma
seraphim [82]

Answer: 3

Step-by-step explanation:

Let the smaller number be y.

Since the difference of two numbers is 5,then the larger number will be: y+5

The sum of three times the larger number and twice the smaller number is 30. This can be written as:

3(y+5) + 2y = 30

3y + 15 + 2y = 30

5y + 15 = 30

5y = 30 - 15

5y = 15

y = 15/5

y = 3

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4 years ago
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Answer:

98

Step-by-step explanation:

2(7*7)= 2*49=98

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