3 years ago

Find the product and fill in the blanks to write in standard complex number form.

1 answer:

7 0

Recall that i represents the square root of -1, so by squaring it we get -1.

(2 + 4i)(7 - 3i)

= 14 - 6i + 28i + 12
= 26 + 22i

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Please help I’ll mark you as brainliest if correct!

WITCHER [35]

Answer:

576 cubic cm

Step-by-step explanation:

l×w×h :) 12 is l , 6 is w, 8 is h !

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3 years ago

Question 5 - a , b , c , d ??

wel

A) 110/21 = 5 5/21
B) 10
C) 21/4 = 5 1/4
D) 16/5 = 3 1/5

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3 years ago

Here goes another question lol oops

Murrr4er [49]

Student 1 and 3.
$- (5r - 3s + 1) = - 5r + 3s - 1$
Move the negative into the brackets,
positive becomes negative while two negatives make a positive.

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4 years ago

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Mr green makes some compost he mixes soil, manure and leaf mould in the ratio 3:1:2 mr greenmakes 72 literes of the compost. How

love history [14]

Answer:

$36\ liters\ of\ soil$

Step-by-step explanation:

we know that

The ratio of soil, manure and leaf mould is $3:1:2$

That means

For every 6 liters of the compost, he use 3 liters of soil

so by proportion

Find how many liters of soil does he use for 72 liters of compost

$\frac{3}{6}=\frac{x}{72}\\ \\x=3*72/6\\ \\x=36\ liters\ of\ soil$

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3 years ago

Two classes are going to combine to do a project together. the first class has 24 students and the second class has 21 students.

guajiro [1.7K]

Add the amount of students together (21+24=45)
Divide by three to see how many will be in each group. (45/3 = 15)

15 in each group!

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3 years ago

Read 2 more answers