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viktelen [127]
3 years ago
10

Irwin rode his bicycle from one end of a trail to another and back at a speed of 20 miles per hour. If the trail is 4 miles long

, for how many hours was Irwin riding?
0.2 hours
0.4 hours
2.5 hours
5.0 hours
Mathematics
3 answers:
Vesnalui [34]3 years ago
4 0

Answer:

B

Step-by-step explanation:

I took the quiz

pentagon [3]3 years ago
3 0

Answer: I believe it’s C. 2.5

Step-by-step explanation:

Edgar Ramirez2 years ago
0 0

Answer: 5.0/5

Explanation: 20/1 x 1/4 = 20/4
Divide 20 (the numerator) by 4 (the denominator) and you get "5" or "5.0". And that's your answer, hope it helps!

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The difference between number 20 and its opposite is what percentage of 200? (if you do not remember: opposite of 15 is −15; opp
True [87]
20%

This is because 20 and it's opposite -20 is 40. (20 - -20 = 40). Then 40 is 20% of 200. 
8 0
3 years ago
Read 2 more answers
A submarine dives 320 feet below the water's surface. Over the next six
sergeinik [125]

Answer:

80

Explanation:

Since it rises at a rate of 40 feet per minute, just multiply 40 times 6 to get 240. Then subtract 320 minus 240 to get 80

3 0
2 years ago
Simplify completely.
Arte-miy333 [17]

Answer:

\large\boxed{\sqrt{27y^8}=3y^4\sqrt3}

Step-by-step explanation:

\sqrt{27y^8}=\sqrt{9\cdot3\cdot y^{4\cdot2}}\\\\\text{Use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b},\ (a^n)^m=a^{nm}\ \text{and}\ \sqrt{a^2}=a\\\\=\sqrt9\cdot\sqrt3\cdot\sqrt{(y^4)^2}=3\cdot\sqrt3\cdot y^4=3y^4\sqrt3

3 0
3 years ago
From a barrel of colored marbles, you randomly select 1 blue 6 yellow 7 red 4 green and 6 purple marbles
vitfil [10]

Complete question :

From a barrel of colored marbles, you randomly select 1 blue 6 yellow 7 red 4 green and 6 purple marbles. Find the experimental probability of randomly selecting a marble that is NOT yellow.

Answer:

Step-by-step explanation:

Total number of marbles :

Blue = 1 ; yellow = 6 ; red = 7 ; green = 4 ; purple = 6

Total = (1 + 6 + 7 + 4 + 6) = 24 marbles

Probability of selecting marble that is not yellow :

Number of marbles that aren't yellow / total number of marbles

Marbles that aren't yellow = 24 - 6 = 18

P(selecting a marble that isn't yellow) = 18 / 24 = 3/4

3 0
3 years ago
Law of sines and cosines <br>how do I do this question when it is not SSS, SAS, ASA, or AAS.
Viktor [21]
<span>To solve a triangle using law of sines you must have the length of one side and the measure of the angle opposite that particular side. Then you must have one other piece of information, either one more side length or one more angle measurement. However in some cases when the information you are given is two consecutive sides, and the angle is not between the two consecutive sides, then there exists the possibility that there are two different triangles that will satisfy the given information.</span>
6 0
2 years ago
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