2 years ago

NO LINKS NO FILES!!!! Please.

Mathematics

2 answers:

xeze [42]2 years ago

8 0

B. N is the right answer as it is located on 3, 3

Maurinko [17]2 years ago

3 0

Answer:

Step-by-step explanation:

the first 3 is the x value, or the horizontal line value, and the second 3 is the y value, or the vertical line value.

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Match the following geometry

disa [49]

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2 years ago

If a 12-student class averaged 90 on a test, and a 20-student class averaged 80 on the test, then all 32 students averaged

Alexxx [7]

Let the marks of the students in class 1 be

$m_1, m_2, ....., m_1_2$

the average of these 12 marks is 90, so

$\frac{m_1+ m_2+ .....+ m_1_2}{12}=90$

which means

$m_1+ m_2+ .....+ m_1_2=90*12=1080$

similarly, let $n_1, n_2, ....., n_2_0$ be the marks of the students in the second class,

so $\frac{n_1+ n_2+ ..... n_2_0}{20}=80$

which means $n_1+ n_2+ ..... n_2_0=80*20=1600$

The 32 students averaged:

$\frac{(m_1+ m_2+ .....+ m_1_2)+(n_1+ n_2+ ..... n_2_0)}{12+20}= \frac{1080+1600}{32}= \frac{2680}{32}= 83.75$

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3 years ago

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dusya [7]

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2 years ago

The answer needs to be a mixed number a integer or a proper fraction.

kobusy [5.1K]

Answer:

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