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3 years ago

I need help pls I would appreciate it

Mathematics

1 answer:

KengaRu [80]3 years ago

6 0

1.) D
2.) D
3.) C
4.) C
5.) 56 and 90 I looked for the pattern and followed it.
Get someone else to do 6 I cant

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Question <br> 7 - (-3)=<br> PLEASE HELP ME!!!

Roman55 [17]

Answer:

Step-by-step explanation:

7-(-3)

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3 years ago

Read 2 more answers

Please, help me find solution

IgorC [24]

4 + 5 = 9
180 ÷ 9 = 20

Sand = 20×4 = 80
Cement = 20×5 = 100

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3 years ago

Twice a number is more than the sum of three times that number and 5

saw5 [17]

Answer:

31 = x

Step-by-step explanation:

First multiply out

2x + 10 = 3x - 21

Now collect terms

10 + 21 = 3x - 2x

Simplify

31 = x

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3 years ago

Sin(-180° + θ) = ________

Svet_ta [14]

Answer:

$\sin\left(-180^o+\theta\right)=-\sin\left(\theta\right)$

Step-by-step explanation:

We need to find the value of $\sin(-180^o+ \theta)$

So let's apply formula

$\sin\left(A+B\right)=\sin\left(A\right)\cos\left(B\right)+\sin\left(B\right)\cos\left(A\right)$

$\sin\left(-180^o+\theta\right)=\sin\left(-180^o\right)\cos\left(\theta\right)+\sin\left(\theta\right)\cos\left(-180^o\right)$

$\sin\left(-180^o+\theta\right)=0\cdot\cos\left(\theta\right)+\sin\left(\theta\right)\cdot\left(-1\right)$

$\sin\left(-180^o+\theta\right)=0-\sin\left(\theta\right)$

$\sin\left(-180^o+\theta\right)=-\sin\left(\theta\right)$

8 0

3 years ago

Work for 8/18 in a decimal

vlabodo [156]

The decimal for 8/18 is 0.44, you simplify 8/18 to 4/9, divide 4 by 9 for the decimal.

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3 years ago