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kramer
1 year ago
8

On last week's quiz, Andre got 18 questions correct and 2 questions incorrect. What was Andre's score

Mathematics
1 answer:
andreev551 [17]1 year ago
6 0

Answer:90%

Step-by-step explanation: we know this because the total about of questions on the test is 20 and for the score to add up to 100% each question has to be worth 5% so we can just do 5 x 18 to get 90%. or (5 x 2) - 100 to also get 90%

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In what situation do we need to use Substitution Rule? What is the purpose for using Substitution Rule?
morpeh [17]

Answer:

Substitution rule is one of the most important rule to solve the integrals problem.

In substitution rule we substitute  different  variable in such a way that it can simplify the question.

example: when we have to solve "Sin x²" we cannot solve it but

               if question is "x  Sin x²" we can substitute x² with t and can solve it.

The purpose of substitution rule is to simplify the problem of integrals.

6 0
3 years ago
Maribel surveyed 55 people to find out their favorite types of music. The results are shown in the bar graph. Based on the infor
salantis [7]

Answer:

B. Jazz and opra

Step-by-step explanation:

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6 0
3 years ago
Let f(x) = 3x2 - 6x + 2. Find f(2)
Akimi4 [234]
F(2) will equal 37 then plug it in where x is 
8 0
3 years ago
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Mr. Jimerson records the amount of snowfall that the local area recieves. 12am-1am: 0.3 inches | 1am-2am: 0.8 inches | 2am-3am:
MatroZZZ [7]

Answer:

5.781 inches.

Step-by-step explanation:

Since Mr. Jimerson records the amount of snowfall that the local area recieves, recording the following data: 12 am-1am: 0.3 inches | 1 am-2am: 0.8 inches | 2 am-3am: 1.36 inches | 3 am-4am: 2.019, if the total amount of snowfall at 7am is 7.8 inches, to determine how much snow fell between 4 am-7am the following calculation must be performed:

7.8 - 2.019 = X

5.781 = X

Therefore, since the amount of snow accumulated at 7 am was 7.8 inches, the snowfall between 4 and 7 am was 5.781 inches.

6 0
2 years ago
The length of the sides of a triangle are three consecutive integers. If the perimeter is 87, find the dimensions of the triangl
nadezda [96]
You can divide 87 by 3 which is 29, so each angle will be 29 degrees.
Since they are consecutive, that means they will all measure the same.

Hope this helps! :)
8 0
3 years ago
Read 2 more answers
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