The first AMC 8 was given in 1985 and it has been given annually since that time. Samantha turned 12 years old the year that she took the seventh AMC 8. In what year was Samantha born?

Answers

Answer 1

Answer: the seventh year is 1985 + 7 = 1992

if she was 12 years old in 1992, then 12 years earlier is 1980 - the year of her birth

answer is 1980

Answer 2

Answer: 12-7=5

1985-5=1980

Samantha was born in 1980.

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hi so i have no idea what combining like terms means, or how to do it. can someone help explain, with examples?

Answers

What is Combining Like Terms?

Combining like terms is a mathematical process used to simplify an expression or to add or subtract polynomials.

How to Combine Like Terms (Simplified):

remove parentheses by multiplying factors.

use exponent rules to remove parentheses in terms with exponents.

combine like terms by adding coefficients.

combine the constants.

Example: Explanation:

3x and -8x^2 Unlike terms - the exponents are different

Answer:

Combining like terms is a mathematical process used to simplify an expression or to add or subtract polynomials.

Step-by-step explanation:

How do I combine like terms?

1. Step 2: Combine the coefficients.

2. 5h + 11g + 1h - 8g.

3. (5 + 1)h + (11 - 8)g.

4. 6h + 3g.

5. Step 1: Organize your like terms.

6. 5x + 8x + 10x2 - 7x2 - 4x.

7. Step 2: Combine the coefficients. (5 + 8 - 4)x + (10 - 7)x2 9x + 3x2

660 ft/min=_________ft/s
1 min = 60 sec

Answers

Well, divide $(660)/(60)=10ft/s$ .

If 4y = 20 then 2y - 1 equals what number

Answers

$4y=20\n20/4=5\ny=5\n\n2y-1;y=5\n2*5-1\n10-1\n\boxed9\n\n\star\bowtie\star$

4y = 20
y = 20 / 4
y = 5

2y - 1 = ?
2(5) - 1 = ?
10 - 1 = 9

[(24+16) divided by 8 times 5)]=?
Please answer pllleeeaaaasee.

Answers

Remember order of operations:

[(24+16)÷8*5]
=[40÷8*5]
=5*5
=25

24+16=40/8*5=40 40/40=1

A bag has index cards with the following numbers on them: 4, 11, 13, 25, 12, and 18. If an index card is drawn randomly , what is the probabilty that a composite number will NOT be drawn? Finish the following expression: 1 - ____

Answers

It's 1/3 because there is 2 prime and 4 composite making 6, so it's 2 /6 or just 1/3

its b because you subract it plz dont delete it

0.04 is 1/10 of what number

Answers

If you would like to calculate 1/10 of what number is 0.04, you can do this using the following steps:

1/10 of what number is 0.04
1/10 * x = 0.04 /*10
x = 0.04 * 10
x = 0.4

Result: 1/10 of 0.4 is 0.04.

Answer:

0.004

Step-by-step explanation:

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