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pishuonlain [190]
4 years ago
7

9) Gabriel took three math tests last semester. He scored a 91 on the first test, a

Mathematics
1 answer:
Firlakuza [10]4 years ago
3 0

The average of anything can be calculated by adding up all the terms and dividing by the number of terms.

In this case,

the number of terms = 3

x = the missing test score.

(91 + 72 + x) / 3 = 80

Let's multiply both sides by 3

91 + 72 + x = 240

Combine like terms.

163 + x = 240

Subtract 163 from both sides

x = 77

Carlos scored a 77 on his third test.

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Maru [420]

A) You can have

1-1; 1-2; 1-3; 1-4; 1-5; 1-6; 2-2; 2-3; 2-4; 2-5; 2-6; 3-3; 3-4; 3-5; 3-6; 4-4; 4-5; 4-6; 5-5; 5-6; 6-6

Those are all possible outcomes

B) Only 6 of the options include at least one three

The fraction is: 6/21 or simplified 2/7

C) To find this answer we need a percentage

to find that...

6/21 and ?/100

(When writing put it as a fraction to visually see the next part)

We will cross-multiply: the ? will be represented by x

(6 times 100) + (21x)

600 = 21x

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3 years ago
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Answer:

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Step-by-step explanation:

convert the fractions to decimals to determine the person that painted the larger part of the wall

5/8 = 0.625

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3 years ago
What is the quotient of the division below?<br> 9) 2599<br> 288.7<br> 288.7<br> 288.8<br> 288.8
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Step-by-step explanation:

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3 years ago
Find the equation of the line that pass through the points (4,8) and (6,2
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Answer:

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Step-by-step explanation:

The equation of line passing through two points is determined by formula:

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Here, (x₁ , y₁) = (4, 8)

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Putting these value in above formula. We get,

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which is required equation.

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Write each as a fraction 42 percent
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the answer is...


42 over 100

or

21 over 50

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