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3 years ago

Find the value of y: 8y(4y+24)

Mathematics

2 answers:

DENIUS [597]3 years ago

5 0

That’s what i found

Ray Of Light [21]3 years ago

3 0

Answer:

32y² + 192y

Step-by-step explanation:

First, we need to distribute 8y. This gets us 32y²+192y. I do not believe you can simplify that. I hope this helps!

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Suppose Ray BD bisects ZABC. If m ZABD=30 degrees what is mZDBC

Masteriza [31]

Answer:

there is not enough info to determine

7 0

2 years ago

Find the missing side. Round to the nearest tenth

Ghella [55]

Answer:

x = 12.5

Step-by-step explanation:

From the diagram,

Applying

tanФ = Opposite/Adjacent...................... Equation 1

From the diagram,

Given: Opposite = 16, Adjacent = x, Ф = 52°

Substitute these values into equation 1

tan52° = 16/x

make x the subject of the equation

x = 16/tan52°

x = 16/1.27994

x = 12.5.

6 0

3 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:

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

5 0

3 years ago

Read 2 more answers

Help pleaseeee! ASAP

34kurt

Answer:

Step-by-step explanation:

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3 years ago

The expression −8x3(7x6 − 3x5) is equivalent to?

Mama L [17]

Answer:

-56x^9+24x^8

Step-by-step explanation:

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3 years ago