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horrorfan [7]
3 years ago
7

A 100-foot ramp is tilted at a 45° angle. How high is the top of the ramp from the ground?

Mathematics
1 answer:
Paraphin [41]3 years ago
5 0
Check the picture below.

now, let's rationalize the denominator.

\bf \cfrac{100}{\sqrt{2}}\cdot \cfrac{\sqrt{2}}{\sqrt{2}}\implies \cfrac{100\sqrt{2}}{\sqrt{2^2}}\implies \cfrac{100\sqrt{2}}{2}\implies 50\sqrt{2}

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Question 1 (Essay Worth 10 points)
il63 [147K]

Answer:

Part A. x = 1/26 Part B. x = 1/50

Step-by-step explanation:

Solve for x:

26 x = 1

Divide both sides by 26:

Answer:  x = 1/26

___________________

Solve for x:

50 x = 1

Divide both sides by 50:

Answer:  x = 1/50

8 0
3 years ago
Complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 100
marissa [1.9K]

The mean is the average of the numbers.

It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

Let the number of sit-ups you have to do Sunday be x. Then the sum of all sit-ups is

100+65+120+150+90+0+x=525+x.

The number of days is 7.

Thus, the mean is

\text{mean}=\dfrac{525+x}{7}.

You know that the mean number of sit-ups per day is 100, equate these two means and solve the equation:

\dfrac{525+x}{7}=100,\\ \\525+x=700,\\ \\x=700-525,\\ \\x=175.

Answer: 175 sit-ups

5 0
3 years ago
Could side D be the base? If so what side would be the hight?
kodGreya [7K]

Answer: Yes, the highest side would be F

4 0
4 years ago
3 to the third power + 2 Open bracket 64 - (3 x7) close bracket
Serjik [45]

3 to the third power = 9

2 Open Bracket 64 - (3 x 7) close bracket = 86

9 + 86 = 95

7 0
4 years ago
How to do this question? : (
Lostsunrise [7]
How to do what question
5 0
4 years ago
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