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ivanzaharov [21]
3 years ago
12

Can someone help me with this please

Mathematics
1 answer:
Stels [109]3 years ago
8 0
Your answer is 90$ hope this helps and sorry if it’s wrong
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How do I do this homework???​
Nonamiya [84]

Step-by-step explanation:

a)

135

/ \

3. 45

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3. 15

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3. 5

b)

250

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10 .25

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2 5. 5 5

c)

351

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3. 13

Hope it helps :)

5 0
3 years ago
Is 13/8 rational have to add more letters lol
Serhud [2]
I do not believe so but dont quote me on it.
7 0
3 years ago
How do I simplify the following to "a+bi" form: (1+2i)^3
damaskus [11]

Answer:

Expand it.

(1+2i)^3 is equal to (1+2i)(1+2i)(1+2i).

Multiply everything out (being sure to multiply <em>every</em> term. (1+2i) * (1+2i) = 1+2i+2i+4i^2.

i is the square root of negative one, so i^2 is just -1. 1+2i+2i-4 is what you get from the first two, so now simplify that:

1-4 + 2i+2i = (-3+4i) and now multiply that by (1+2i):

(-3+4i) * (1+2i) = -3 - 6i +4i +8i^2.

Simplify again, and the answer is: -11-2i

Step-by-step explanation:

I hope this helps - really my only tip is don't spend time thinking about what i is, that just hurts your brain. Just remember that i^2 is equal to negative one, and treat it like regular multiplication and you will be fine.

7 0
2 years ago
Is the following graph a function?
Sidana [21]
Your answer is d. hope this helps
4 0
3 years ago
Read 2 more answers
Complete the addition. 7/15+1/3+3/5 Please show work.And explain all reasoning.
stellarik [79]

\frac{7}{15} + \frac{1}{3} + \frac{3}{5} = \frac{7}{15} + \frac{5}{15} + \frac{9}{15} = \frac{21}{15} = \frac{7}{5} = 1.4

5 0
3 years ago
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