MATHEMATICS HIGH SCHOOL

Use the cubic model y=3x^3 to find the value of y when x=8

Answers

Answer 1
Answer:

Answer:

Value of y is 1536.

Step-by-step explanation:

We have given an expression y=3x^3

We need to find the value of y when x=8

We will substitute the value of x as 8 in the given expression we get

y=3(8)^3

On simplification we get

y=3(512)

On further simplification we get:

y=1536

Hence, the required value that is the value of y is 1536
Answer 2
Answer: pemdas

exponent first

y=3(8³)
8³=512
y=3(512)
y=1536

the value is 1536

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Answers

its B thanks for asking

What is bigger 10 pounds or 10 kilograms

Answers

10 kilograms are bigger. 
None are bigger than the other since they are both weight measures and not size measures. If you were asking which is heavier than your answer is 10 kilograms.

A car recently sold for $32,345. If there's a 6% sales tax on automobile sales, how much tax will be added to the price of the car?

Answers

34285.7 is the answer.

Estimate the answer by rounding 863 x 534 to the nearest 100

Answers

Answer:

Step-by-step explanation:

If I rounded to the nearest hundred it would look like this 900 and 500.

because the closest hundred type number is 900 and the same for the number 500

Answer:

450,000

Step-by-step explanation:

To estimate the answer by rounding 863 x 534 to the nearest 100, follow these steps:

1. Multiply the tens digit of both numbers: 8 x 5 = 40

2. Round each number to the nearest 100: 863 ≈ 900 and 534 ≈ 500

3. Multiply the rounded numbers: 900 x 500 = 450,000

4. The estimated answer to the nearest 100 is 450,000.

Therefore, when rounding 863 x 534 to the nearest 100, the estimated answer is 450,000.

A DVD store charges $4.70 for each day, a DVD is rented. The store also gives you a dollar off if the DVD is returned before 5 days. a.Write a rule to represent the rental charges. b. How much will you pay if you return the DVD after 4 days? 7 days?

Answers

Answer:

For four days it would be $19.8. For seven days it would be $24.9

Step-by-step explanation:

4 days:

$4.70 x 4 + 1= 19.8

7 days:

$4.70 x 7 = $24.9

I took away 1 from the 4 day equation because the question said you get a dollar off if you return the dvd before 5 days.

Hope this helps!

~Starr

Explain how the expanded notation method is used to multiply 82 x 3

Answers

80 times 3 plus 2  up put 82 in expanded form and that would be 80,2    
2 can not be expanted and then you muliply either 2 and 2 or 2 and 80 which ever you do  you have to had what number you didnt use into the problem  
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