2 years ago

If 18 is 45% of a value, what is that value?

Mathematics

1 answer:

Andrew [12]2 years ago

6 0

Answer:

it is 40 :)))

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PLEASE HELP WILL MARK BRAINLIEST

Kipish [7]

Answer:

Step-by-step explanation:

x^2 = 64

√x² = √64

x = 8, -8

answer is B

5 0

2 years ago

A circle is centered at the origin and contains the point (-6, -8). What is the area of this circle?

gogolik [260]

Answer:

314 units²

Step-by-step explanation:

Centre of the circle = (0, 0)

Another point on the circle = (-6, -8)

$\text {Radius = }\sqrt{(0 - (-6))^2 + (0- (-8))^2}$

$\text {Radius = }\sqrt{6^2 + 8^2}$

$\text {Radius = }\sqrt{100}$

$\text {Radius = }10$

Area = π (10)² = 100π = 314 units²

6 0

2 years ago

30 - -5n + 16 + 3n =

MatroZZZ [7]

Answer:

8n + 46

Step-by-step explanation:

Combine like terms. First, simplify the signs. two negatives directly next to each other equals one positive:

- (-5n) = + 5n

30 + 5n + 16 + 3n = (30 + 16) + (5n + 3n)

(30 + 16) = 46

(5n + 3n) = 8n

8n + 46 is your answer.

7 0

2 years ago

Casey paid $32 for a book that was on a sale at 20% off. What was the original price for that book?

Elis [28]

Answer:

$40

Step-by-step explanation:

If it was 20% off, you are paying 80% of the original price.

So .80 * Original price = $32

32/.8 = 40

8 0

3 years ago

Read 2 more answers

Is 9 bigger than negative 10??

Mkey [24]

Answer:

Yes 9 is larger than -10

Step-by-step explanation:

Any positive number is larger than a negative number

5 0

2 years ago

Read 2 more answers