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3 years ago

Please answer this! Will award Brainliest!

Mathematics

1 answer:

serg [7]3 years ago

6 0

Answer:

2^20/3^8

Step-by-step explanation:

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Simplify. remove grouping sbols and combine like terms

harina [27]

Answer:

$5a^2+12b^2-40b$

Step-by-step explanation:

First distribute the -4 to the 2b and -3b. This leaves you with $5a^2-8b+12b(b+4)$

Now you can distribute the 12b to b and +4. This leaves you with $5a^2-8b+12b^2+48b$

Now you can combine your like terms leaving you with $5a^2+12b^2-40b$ .

3 0

2 years ago

M×10-m×2=8 fill in the blanks as m

son4ous [18]

M*10-m*2=8
10m-2m=8
8m=8
Divide both sides by 8:
m=8

Fill in the m's:
1*10-1*2=8
10-2=8
8=8

Hope this helps :)

5 0

3 years ago

The expression sin 57° is equal to

ValentinkaMS [17]

Answer:

$cos(33^{\circ})$

Step-by-step explanation:

Given

$sin(57^{\circ})$

Required

Determine an equivalent expression

In trigonometry:

$sin(\theta)= cos(90^{\circ} - \theta)$

In $sin(57^{\circ})$

$\theta=57^{\circ}$

Substitute $57^{\circ}$ for $\theta$

in $sin(\theta)= cos(90^{\circ} - \theta)$

$sin(57^{\circ})= cos(90^{\circ} - 57^{\circ})$

$sin(57^{\circ})= cos(33^{\circ})$

Hence, the equivalent expression is: $cos(33^{\circ})$

5 0

3 years ago

Use compatible numbers to estimate the quotient. 635÷9

gayaneshka [121]

Here, 635/9
Nearest divisible of 9 is 630 so,
It would be: 70 * 9 + 5

In short, Your Quotient would be 70

Hope this helps!

6 0

3 years ago

Given: 3 − 2(x + 4) = 13 prove: x = −9

Brums [2.3K]

Answer:

I hope this helps:))

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Please answer this! Will award Brainliest!​

Please answer this! Will award Brainliest!