2 years ago

10 points pls answer!

Mathematics

2 answers:

swat322 years ago

6 0

Answer:

Step-by-step explanation:

8x-20 and 3x together will equal 90

Dafna1 [17]2 years ago

4 0

Answer:

The answer is D

Step-by-step explanation:

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Triss [41]

Answer:

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Step-by-step explanation:

3x-m=10

3x=10+m

x=(10+m)/3

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Tomtit [17]

Given:

The frequency distribution table.

To find:

The mean average score on a test.

Solution:

The frequency distribution table is

$Marks (x_i)$ $Frequency(f_i)$ $f_ix_i$

x a xa

y b yb

z c zc

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Now, the mean average score on the test is

$Mean=\dfrac{\sum f_ix_i}{\sum f_i}$

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Therefore, the mean average score on the test is $\dfrac{xa+yb+zc}{a+b+c}$ .

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maria [59]

Your answer is , qn.

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2 years ago

V=D/T Solve for T. In two Steps and an Answer.

elena-14-01-66 [18.8K]

Answer:

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Step-by-step explanation:

id think that there are two steps

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