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guapka [62]
3 years ago
15

1. What is the mean for the following scores: 2, 5, 4, 1, 8? A. 3 B. 4 c. 5 20

Mathematics
2 answers:
atroni [7]3 years ago
8 0

Answer to your question is:

B. 4

Explanation:

2 + 5 + 4 + 1 + 8 = 20

20 ÷ 5 = 4

Kamila [148]3 years ago
8 0

Answer: B: 4

Step-by-step explanation:

2+5+4+1+8= 20

20/5= 4

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What is an equation of the line that passes through the points (-1, -2) and (2, 4)
olasank [31]

Answer:

y = 2x

Step-by-step explanation:

Formula is y = mx + b

m is slope

slope = (4 - -2) / (2 - -1) = 6 / 3 = 2

Now equation is y = 2x + b

To find b, substitute one of the coordinates in the equation. Let's use (2,4)

y = 2x + b

4 = 2(2) + b

b = 0

So equation is y = 2x

3 0
3 years ago
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Dominik [7]
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7 0
2 years ago
What’s the missing factor?
Vesna [10]

The missing factor is 1 5/8

<u>Step-by-step explanation:</u>

Let us consider the missing factor has 'x'

The given expression is 4 1/2 - x = 2 7/8

<u>To find x :</u>

The first step is to bring all the constant terms on on side and x on the other side,

⇒ 4 1/2 - 2 7/8 = x

Now, the numbers are in improper fraction (mixed fraction). So you have to convert them into proper fraction.

To convert the improper fraction 4 1/2 into proper fraction,

Multiply the denominator 2 with 4 and the result 8 is added with the numerator 1.

⇒ 4 1/2 = 9/2.

To convert the improper fraction 2 7/8 into proper fraction,

Multiply the denominator 8 with 2 and the result 16 is added with the numerator 7.

⇒ 2 7/8 = 23/8.

Now replace them in the given expression. The expression becomes as :

⇒ (9/2) - (23/8) = x

Cross multiply 2 and 8,

⇒ (72 - 46) / 16 = x

⇒ 26 / 16 = x

⇒ 13/8 = x

The x value is 13/8. You have to convert it into mixed fraction (since the question is given in the form of mixed fraction).

<u>To convert into mixed fraction,</u>

Divide 13 by 8 and write them in the form of Quotient (Reminder / Divisor).

⇒ 13 ÷ 8

⇒ 1 (quotient)

⇒ 5 (remainder)

The divisor is 8.

Therefore, x = 13/8 can be written as 1 5/8.

The missing factor is 1 5/8.

8 0
3 years ago
Help me please help help help help
sineoko [7]

Answer:

77

Step-by-step explanation:

it is the same angle from one side and theother

3 0
2 years ago
Read 2 more answers
What is the value of this expression? 5/6−(1/8÷3/4)
Verizon [17]

Answer:

79/96

Step-by-step explanation:

6 0
2 years ago
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