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3 years ago

Which of the following is equivalent to √-90? A. -3i√10 B. 3i√10 C. 9i√10 D. 9√-10

Mathematics

2 answers:

erastova [34]3 years ago

7 0

The answer to this question is B. I hope this helps

Brilliant_brown [7]3 years ago

3 0

Hello there.

Which of the following is equivalent to √-90?

B. 3i√10

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3 years ago

Which of the following expressions means "five factors of 3"? 35 0 05=3

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$\text{Hey there!}$

$\large\text{Which of the following expressions means \underline{five factors of 3} ?}$

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3 years ago

What is t in t/3 = 4/9?

SCORPION-xisa [38]

Answer:

$t = \frac{4}{3}$

Step-by-step explanation:

1) Multiply both sides by 3.

$t = \frac{4}{9} \times 3$

2) Use this rule: a/b × c = ac/b.

$t = \frac{4 \times 3}{9}$

3) Simplify 4 × 3 to 12.

$t = \frac{12}{9}$

4) Simplify 12/9 to 4/3.

$t = \frac{4}{3}$

Therefor, the answer is, t = 4/3.

and in decimal form it would be, 1.333333.

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3 years ago

Trapezoid KRBQ∼trapezoid PNCV

murzikaleks [220]

Answer:

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Step-by-step explanation:

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4 0

3 years ago

Read 2 more answers

Please help with question 20! Thanks<3

kkurt [141]

Answer:

Population of Town A = 19,575

Population of Town B = 52,200

Population of Town C = 20,880

Step-by-step explanation:

The ratio of..

A : B = 3 : 8

B : C = 5 : 2

Both A : B and B : C have B in their ratios. What we can do is make B the same in both ratios and then create a ratio between all three towns.

A : B = (3 : 8) x 5 = 15 : 40

B : C = (5 : 2) x 8 = 40 : 16

A : B : C

15 : 40 : 16

Now, to find the population of each town we can write the following equation using the numbers from our ratio between all three towns and set it to the given population.

15x + 40x + 16x = 92,655

Solve for x.

71x = 92,655

x = 1,305

Finally, we can use the value of x to find the population of each town.

Population of Town A = 15x

Population of Town A = 15(1,305)

Population of Town A = 19,575

Population of Town B = 40x

Population of Town B = 40(1,305)

Population of Town B = 52,200

Population of Town C = 16x

Population of Town C = 16(1,305)

Population of Town C = 20,880

~Hope this helps!~

3 0

4 years ago