3 years ago

Please helpoppplllll mei need to complete this I will give brainly

Mathematics

1 answer:

Sonbull [250]3 years ago

5 0

Answer:

(5,-6) I think

Step-by-step explanation:

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(3-5i)(2+9i)+(7+2i)(7-2i)

kondor19780726 [428]

$i^{2} = -1$

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$(3-5i)(2+9i)+(7+2i)(7-2i) = \\ \\ = 6 + 27i - 10i - 45i^{2} + 49 - 14i + 14i - 4i^{2} = \\ \\ =55 + 17i + 45 + 4 = \boxed{104 + 17i}$

7 0

3 years ago

The volume for the above figure is?

lara [203]

The area of the circle is πr², ie. 144π.
The volume of the cilinder is 12×144π = 1728π cm³.

I vote for answer A.

7 0

2 years ago

HELP ME ASAP ROCKY STYLES PLEASE BRO. Find the value of x and the length of each side.

Masteriza [31]

Answer:

x= 14 hope that helps you out good luck

6 0

2 years ago

Root of 3 time the root of <br> 5

zimovet [89]

Answer:

root of 15 or in decimal form 3.87 (rounded)

Step-by-step explanation:

You just multiply both together

3 0

2 years ago

Please explain how you get the answer to...<br> a+2a+7+4a-8

sammy [17]

Answer:

9+2a+7+4a-8

2a+16+4a-8

2a+8+4a

6a+8

Step-by-step explanation:

you can't really get an answer for this problem but you can simplify it

8 0

2 years ago