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mote1985 [20]
3 years ago
14

Simplify the following expression into the form a + bi, where a and b are rational numbers. (4-i)(-3+7i)-7i(8+2i), please help

Mathematics
2 answers:
olganol [36]3 years ago
8 0

Answer:

9-25i is the answer

atroni [7]3 years ago
7 0
9-25i is the answer to your question
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Can someone help me this please
Oksi-84 [34.3K]

Answer:

5

Step-by-step explanation:

23=-6(-3)+c\\   Plug in the given x- and y-coordinates (in this case we'll use c for the missing variable)

23=18+c   Simplify

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8 0
4 years ago
amar is cooking pasta for 14 people. he cooks 1/8 bag of pasta for each person. how munch pasta does amar cook?
enyata [817]

Answer:

14/8 pasta

=

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Step-by-step explanation:

4 0
3 years ago
(?,3)is on the line y = 2x+5. find the other half of the coordinate.
DENIUS [597]
The other half of the coordinate is -1. Just plug 3 in for y and solve.
3 0
3 years ago
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For any right triangle, the side lengths of the triangle can be put in the equation a2 + b2 = c2 where a, b, and c are the side
bixtya [17]
Pythagorean theorem:
a² + b² = c²

a is the long leg of the triangle
b is the short leg of the triangle
c is the hypotenuse

side lengths ; 3 inches, 4 inches, 5 inches of a right triangle.

a = 4 inches
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6 0
3 years ago
(6ab-8a+8) - (7ab-1 )
PSYCHO15rus [73]

Answer:

- ab - 8a + 9

Step-by-step explanation:

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hope this helps you.

4 0
3 years ago
Read 2 more answers
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