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Delicious77 [7]
3 years ago
9

The sum of 2 numbers is 90 and one of them is 2 times the other what are the 2 numbers?

Mathematics
2 answers:
bekas [8.4K]3 years ago
8 0
……………………………………………………
Vlada [557]3 years ago
8 0

Answer:

as what I think it's 45. maybe

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HELP FAST PLEASE!!!!!
lidiya [134]

Alright, lets get started.

The answer Sandra got is correct that is zero but there are some mistakes she made while writing steps.

2 cot(\frac{-9\pi}{2})  =  2 cot(\frac{9\pi}{2}) Incorrect step

Because as per even/odd identity,

Cot (-Θ) = - cot (Θ)

Hence

2 cot (\frac{-9\pi}{2}) = - 2 cot (\frac{9\pi}{2})

Now,

It could be written as

-2 cot (\frac{9\pi}{2}) =   -2 cot (\frac{\pi}{2})


-2 * 0

0

Hence the answer is 0. : Answer

Hope it will help :)

3 0
3 years ago
Anna wants to make 4 sets of curtains. Each set requires 5 1/8 yards of fabric. How much fabric does she need?
Nesterboy [21]
20 yards
take 5 1/8 and make that into 40/8 and then you will divide 40 into 8 and it = 5 so then you do 4x5=20

4 0
4 years ago
Read 2 more answers
How did changes to the voting process affect voter participation?
Jobisdone [24]

Answer:

A) more people voted

Step-by-step explanation:

I did it on edge

4 0
3 years ago
Read 2 more answers
Bella went to the carnival and played a game involved throwing a basketball into a moving basket. She needed 80 points to earn t
irina [24]
43×2=86
Yes she had enough
6 0
3 years ago
Given the functions f(x)=1x−2+1 and g(x)=1x+5+9 .
____ [38]
For this problem you would look at the difference between the two equations. Left and right is determined by the -2 and the +5 in the problems, to get from -2 to +5, you would add 7 but (and i dont really know how to explain the reasoning for this) whenever this number is positive, it goes left and whenever it is negative, it goes right. Figuring out if it shifts up or down is the same, look at the numbers +1 and +9 in the equations. If you go from +1 to +9, you would be adding 8, and this makes it shift upward.

Therefore the answer is the third one: the graph shifts 7 units left and 8 units up
8 0
3 years ago
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