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allsm [11]
3 years ago
15

90mph 121ft per sec. which is faster? explain.

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
4 0
90 mph because 90mph is 132 ft/s
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Rasek [7]

Answer:

A. The expression of "40 times the sum of 24 and 36" would be 40 x (24+36), and the value would be 2400.

B. for the words portion it would be "20 times the sum of 650 and 350", and the value of that expression is 20,000.

C. The expression of "divide the difference between 1,600 and 400 by 4" should be 1200 / 4, and if that is the correct way to format the expression then the value would be 300.

D. for the words portion it would be "100 times the sum of 78 and 12", and the value of that expression is 10,000.

Step-by-step explanation:

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3 years ago
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MariettaO [177]

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Shkiper50 [21]
It should be the first one
6 0
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There are two identical figures with all sides of equal length. The combined perimeter of the figures is 80 centimeters. What sh
Kay [80]
Since both shapes are the same,we divide the total perimeter by 2. 80<span>÷2 is 40. Now that we have the perimeter of each individual shape we have to figure out the length of one side. Since all the sides are equal in length there is only 1 shape that has that - a square. A square has 4 sides so we need to divide 40 by 4 (because squares have 4 sides) and that equals to (40</span><span>÷4) 10cm on each side. Hope I helped!</span>
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3 years ago
In an examination, 15% candidates failed in science and 20% in Mathematics. If 10% failed in both the subjects, find percentage
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Answer:

75% passed both subjects

Step-by-step explanation:

For this one you need to think with a Venn Diagram, check the picture attached!

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