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iris [78.8K]
3 years ago
13

PLEASE HELP !! ILL GIVE BRAINLIEST !

Mathematics
1 answer:
fomenos3 years ago
7 0

Answer:

20 + 0i

Step-by-step explanation:

(10 + 5i) + (10 - 5i) = 20 + 0i

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What is the answer for h in this instance <br> 3h^2=h^2+18
wolverine [178]

Answer:

Simple!

Step-by-step explanation:

I'll just solve it!

3h^{2} =h^{2}+18\\ 2h^{2} =18\\h^{2} =9\\h=3, h=-3

There you go!

Hope this helps!

P.S. Stay Safe!

8 0
4 years ago
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PLEASE IM BEGGING YOU HELP ME! ITS DUE SOON PLEASE ACTUALLY SHOW YOUR WORK :(( SOMEONE PLEASE OMG HELP NO ONES HELPING ME UGHHHH
anyanavicka [17]

Answer:

x=0, y=-12

Step-by-step explanation:

you can use substitution to solve for x

-3(x-12)=2x+36

-3x+36=2x+36

subtract 36 from both sides and add 3x to both sides

0=5x

x=0

now plug in 0 as x for either equation

y=0-12

y=-12

to check your work plug in x and y into the other equation

-3(-12)=2(0)+36

36=36

3 0
3 years ago
Need help pleaseeeeeeeeerereerrrr
dangina [55]

Answer:

The annual premium amount for Rhonda health insuarance is $86.10

Step-by-step explanation:

cost of semimonthly heakth insurance plan: $215.25

60% of the total cost her emplomenty pays: $215.25 x 0.6 = $129.15

homw much she pays: $215.25 - $129.15 = $86.10

6 0
3 years ago
Which of the following can be a common denominator for the fractions 2/5 and 3/4?
deff fn [24]

The answer is 20.

4 isn't divisible by 5 and 5 isn't divisible by 4.

4 8 12 16 24 28

5 10 15 20 25

8 0
2 years ago
Look I know I just ask this question but no one will help and I don' understand how to do this so please help.
Svetach [21]
B is the answer to number 1

5 0
3 years ago
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