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amid [387]
2 years ago
11

Multiply and simplify the product. 2i(4 – 5i) select the product. –2i 2i –10 8i 10 8i

Mathematics
1 answer:
Crazy boy [7]2 years ago
4 0

The multiplication of the expressions 2i and (4 – 5i) is 10 + 8i. Then the correct option is D.

<h3>What is multiplication?</h3>

It is also known as the product. If the object n is given to m times then we just simply multiply them.

The expressions are 2i and (4 – 5i).

Then the product of the expression will be given as

2i (4 – 5i)

8i – 10i²

And we know that i² = -1

Then we have

8i – 10 (–1)

10 + 8i

More about the multiplication link is given below.

brainly.com/question/19943359

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Is (-3.4) a rational number? And why is (-3.4) a rational number?
KIM [24]

Answer:

Yes

Step-by-step explanation:

a rational number is a number that can be written as a fraction. Rational numbers are all real numbers, and can be positive or negative. A number that is not rational is called irrational. Most of the numbers that people use in everyday life are rational. These include fractions and integers.

- 3.4 is a integer and also a rational number.

4 0
3 years ago
on july 4 180 people hiked on the trail. of these 1/3 camped overnight. how many of the hikers dis not camp overnight
Tanzania [10]
1 - 1/3= 2/3

180(2/3)= 120

120 hikers did not camp overnight.

Hopefully, this helps!
3 0
4 years ago
Factor the Polynomial by solving x^2 + bx + c = 0.<br><br> m^2 - mv - 56v^2
marissa [1.9K]

Factor the Polynomial by solving x^2 + bx + c = 0.

m^2 - mv - 56v^2

Factor by grouping.

(m−8v)(m+7v).

x^2 + bx + c = 0

x=\frac{-a+\sqrt{a^{2-4c} } }{2} , x=\frac{-a-\sqrt{a^{2-4c} } }{2}

7 0
3 years ago
How to simplify the ratio 30ml:45ml
svlad2 [7]
Since 30 and 45 can both be divided by 5, just divided them and is 6:9 and 6 and 9 can be both divided by 3,so the final answer should be 2ml:3ml
4 0
4 years ago
Read 2 more answers
QUICK - 70 POINTS! GEOMETRY HOMEWORK
sukhopar [10]

a/c = d/a

you would cross multiply to get aa = cd

aa = a^2

so you would have a^2 = cd

6 0
3 years ago
Read 2 more answers
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