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RUDIKE [14]
3 years ago
8

I need help is it A B C or D

Mathematics
1 answer:
Aneli [31]3 years ago
5 0
Its A.................

coz x*6=9*5
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3 0
3 years ago
Review questions
a_sh-v [17]

Answer:

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6 0
3 years ago
The scores on a test for a sample of 42 statistics students are summarized in the following table. 9, 90, 18, 80, 15, 70. Find t
igomit [66]
<h3>Answer:   78.6</h3>

Work Shown:

\begin{array}{|c|c|} \cline{1-2}\text{Number of People} & \text{Score}\\\cline{1-2}9 & 90\\\cline{1-2}18 & 80\\\cline{1-2}15 & 70\\\cline{1-2}\end{array}

Multiply across the rows to form a third column. Example: 9*90 = 810 in the first row.

\begin{array}{|c|c|c|} \cline{1-3}\text{Number of People} & \text{Score} & \text{Number*Score}\\\cline{1-3}9 & 90 & 810\\\cline{1-3}18 & 80 & 1440\\\cline{1-3}15 & 70 & 1050\\\cline{1-3}\end{array}

The values in the third column add to 810+1440+1050 = 3300

Divide this over the total number of people which is 9+18+15 = 42

The mean is 3300/42 =78.571 approximately which rounds to 78.6

5 0
2 years ago
Pls help I’m struggling a lot
miskamm [114]

Answer:

the second one

Step-by-step explanation:

i read the problem and answered it

6 0
2 years ago
Read 2 more answers
-f(x) = 2x + 6 Find f(-4)
jenyasd209 [6]
The answer is 1 Bcuz u have to first plug in -4 for f then solve the equation by adding like terms and dividing
4 0
3 years ago
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