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OLga [1]
3 years ago
7

Pleasee help me i will mark you as the brainliest if u answer this with step by step explaination

Mathematics
1 answer:
MrRissso [65]3 years ago
8 0

Answer:

40

Step-by-step explanation:

So the whole angle 75 and 2 angles inside are 25 and 35

75-(25+35)=15

And then you add 15 and 25

15+25=40

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I have 1 hundreds, 4 ones, 2 tens, and 1 tenths. What number am I?
DaniilM [7]
Since it reads 1 hundreds, that means 100. 4 ones mean 4 * 1, which is 4. 2 tens means 2 * 10, which is 20. Add those together and you get 124. Where it reads "1 tenth", that means 0.1
Therefore, the number is 124.1 
6 0
4 years ago
Which steps are needed to solve this equation? . b + 6 = 21 Subtract 6 from both sides of the equation. The answer is b = 15. Ch
pogonyaev

Answer:

Subtract 6 from both sides of the equation. The answer is b = 15. Check the solution by substituting 15 for b

Step-by-step explanation:

b+6 =21

Subtract 6 from both sides

b+6-6 = 21-6

b = 15

Check

15+6 = 21

21=21

6 0
4 years ago
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tia and her five friends are going to the ice skating rink. Each person pays $5 for admission and $6 for food. Tia has a coupon
Varvara68 [4.7K]
So, the cost is:
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x=$1 for her

x=
5 0
3 years ago
Consider the expression 4x-3 what is the value of the expression when x=7. What is the value of the expression when x=22
allsm [11]
You just plug in both numbers in the x of the equation and then multiply by 4 and subtract by the 3
6 0
4 years ago
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Use a half-angle identity to find the exact value of sinPi/8
stellarik [79]

Answer:

  sin(π/8) = (1/2)√(2-√2)

Step-by-step explanation:

Using the half-angle formula ...

  \sin{\dfrac{\theta}{2}}=\sqrt{\dfrac{1-\cos{\theta}}{2}}

We can let θ = π/4 and simplify the result as follows:

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5 0
3 years ago
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