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a_sh-v [17]
3 years ago
11

WEEEEEEEEEEEEEEEEEEEEEEE PLEASE HELP

Mathematics
1 answer:
Fynjy0 [20]3 years ago
5 0

answer: 5b

the exponents basically cancel themselves out. :)

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If your phone Is on 100 percent battery, and you drain 45 percent of it, then charge 22 percent more, how much battery do you ha
baherus [9]
100-45+22= 77
you will have 77 percent of battery on your phone
5 0
4 years ago
Please help asap its been due already and its gonna be late please answer and explain properly
Softa [21]

Answer:

Both aren't proportional

Step-by-step explanation:

Whenever they are simplified they don't add up to the same fraction

Sorry for my bad hand writing, hopefully you can still read it :)

8 0
3 years ago
You started a dog walking business. You spent $45 in start up costs and charge $12 per hour of
Lostsunrise [7]

Answer:

Twelve times a number decreased by 45 is at most 117.

Step-by-step explanation:

7 0
3 years ago
Simplify <br>(sinA +cosA) (sinA-cosA) ​
kvv77 [185]

Answer:

-cos(2A)

Step-by-step explanation:

We know that (a+b) (a-b) = a^2-b^2

So it means we can simplify to sin^2(A)-cos^2(A) and we know cos^2(A) - sin^2(A) = cos(2A) but we will just multiply by -1 and we get - cos(2A)

5 0
3 years ago
Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AD = 9
8090 [49]

Answer:

16

Step-by-step explanation:

Use a special rule: BD^2=AD*DC (the squared height in right triangle drawn to hypotenuse is equal to the product of the parts of hypotenuse on which height divides the hypotenuse) 12^2=9*DC

DC=16

6 0
3 years ago
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