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uranmaximum [27]
4 years ago
5

Colton scored a 70 on his first math test of the semester and a 91 on his second math test. By what percent did Colton’s score i

ncrease?
Mathematics
1 answer:
atroni [7]4 years ago
8 0

Well, 91-70=21. We now know that he score 21 percent better than last test. Then we can make a proportion to find increase as it corresponds to the score on his first math test.

21/70=0.3 or 30%

answer: 30% increase

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Answer:d. uniformly distributed variable

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8 0
3 years ago
Anyone know how to solve this?
Dmitry_Shevchenko [17]

Answer:

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Step-by-step explanation:

7 0
3 years ago
the area of a triangle is 124 square units. what would it's new area be if its base was half as long and its height was three ti
Montano1993 [528]
To solve this problem you must apply the proccedure shown below:

 1. You have that the formula for calculate the area of a triangle is:

 A=bh/2

 Where A is the area of the triangle, b is the base of the triangle and h is the height of the triangle.

 bh/2=124
 bh=124x2
 bh=248

 2. The problem asks for the new area of the triangle <span>if its base was half as long and its height was three times as long. Then, you have:

 Base=b/2
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 3. Therefore, when you substitute this into the formula for calculate the area of a triangle, you obtain:

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 (A' is the new area)

 A'=(b/2)(3)/2
 A'=3bh/4

 4. When you substitute bh=248 into </span>A'=3bh/4, you obtain:
<span>
 A'=186 units</span>²
<span>
 The answer is: </span>186 units²
3 0
3 years ago
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3 years ago
Joey is creating a rectangular garden. The garden is 9 feet long and 7 feet wide. Joey calculated he needs feet of fencing to cl
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Answer:

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Step-by-step explanation:

Fencing: In a rectangle, the opposite side is the same length. So we do:

9+7+9+7 = <u>32 feet</u>

Soil: The soil is the area. Area is equal to length times width. Length is 9 and width is 7, so we do:

9 x 7 = <u>63 feet squared</u>

8 0
3 years ago
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