2 years ago

HELP!!!

Mathematics

1 answer:

xxMikexx [17]2 years ago

4 0

I believe the answer is 6

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If 50% of a number is 18 what is 75% of the number

den301095 [7]

Answer:

A) 50% of 36 is 18

B) 75% of 36 is 27

Step-by-step explanation:

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4 years ago

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A large city has a population of 8,000,000 and an area of 20.5 square miles. what is the city's approximate population density?

gayaneshka [121]

Answer: Approximately 390,244 people per square mile

Work Shown:

Density = population/area

Density = (8 million people)/(20.5 square miles)

Density = 390,243.9024 approximately

This rounds to 390,244 since we're talking about the number of people.

3 0

3 years ago

X to the power of 2+ 2X plus 3X to the power of 2+ 4X subtract 2X to the power of 2+ X

eimsori [14]

Answer:

4x+12

Step-by-step explanation:

$2x + 2 \times { }^{2} + 6x + 12 x ^{2} - 4x + - 2x ^{2}$

8 0

4 years ago

Automatic Zoom

Solnce55 [7]

D! I’ve taken this

Please mark me as brainliest!

7 0

3 years ago

I have no idea how to do this, so if someone could at least do one of these I’ll be grateful <3

jenyasd209 [6]

Answer:

Answers are below!

Step-by-step explanation:

(2 + g) (8)

= (2 + g) (8)

Add a 8 after the 2, and flip.

= (2)(8) + (g)(8)

= 16 + 8g

= 8g + 16

= (4) (8 + -5g)

Add another 4, then flip.

= (4) (8) + (4) (-5g)

= 32 − 20g

= - 20g + 32

−7 (5-n)

= (−7) (5 + -n)

Add another 7, then flip.

= (−7) (5) + (-7) (-n)

= −35 + 7n

= 7n - 35

Use the distributive property.

a (b + c) = ab + ac

a = 8

b = 2m

c = 1

= 8 × 2m + 8 × 1

Simplify, you get 16m + 8.

Use the distributive property.

a (b + c) = ab + ac

a = 6x

b = y

c = z

= 6xy - 6xz is the answer.

$\mathrm{Apply\:the\:distributive\:law}:\quad \\\:a\left(b+c\right)=ab+ac$

$a=-3,\:b=2b,\:c=2a$

$=-3\cdot \:2b+\left(-3\right)\cdot \:2a$

Apply minus plus rules.

$=-3\cdot \:2b+\left(-3\right)\cdot \:2a$

Multiply the numbers.

3 x 2 = 6

7 0

3 years ago

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