What’s a general equation of an arithmetic series

Answers

Answer 1

Answer:

The general equation of an arithmetic series is $a_(n) + a_(1) + (n - 1) d$

Hope this helps! :) from peachimin

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What is the additive inverse of the polynomial? -7y^2+x^2y-3xy-7x^2

Answers

Answer:

Additive inverse is (7y² - x²y + 3xy + 7x²).

Step-by-step explanation:

Let the additive inverse of the given polynomial be Y.

Therefore as per definition of additive inverse of any polynomial the addition of a polynomial and additive inverse of any polynomial is always zero.

So Polynomial + additive inverse polynomial = 0

(-7y² + x²y - 3xy - 7x²) + Y = 0

Y = -(-7y² + x²y - 3xy - 7x²) = (7y² - x²y + 3xy + 7x²)

So the additive inverse of the polynomial will be (7y² - x²y + 3xy + 7x²).

Answer:

The answer is A

Step-by-step explanation:

The additive inverse is basically the opposite symbol for the numbers.

So, therefore:

What is the additive inverse of the polynomial?

-7y^2 + x^2y - 3xy - 7x^2

The answer to this would be

7y^2 - x^2y + 3xy + 7x^2

Ms. Donaldson earns $18.80 per hour for the first 40 hours she works in a week. She earns 1 1/2 times that amount per hour for each hour beyond 40 hours in a week. Last week Ms. Donaldson worked 45.5 hours. How much money did she earn? Explain your answer and show your work

Answers

You take $18.80 divide by 2 =$9.40 then $18.80+$9.40=$28.20
$28.20 x's 5.5=$$155.10
$18.80 x's 40=$752.00
then add 752.00+155.10=$907.10

so each hour i 18.8
18.8 times 40=752
18.8 times 5.5 times 1.5=155.1
752+155.1=907.1

A chef uses 4 3/4 cup of broth for 10 servings of soup how much broth is used in one serving of soup

Answers

Your proportion is correct.
Cross multiply.

10x = 4 3/4

10x = 19/4

x = 19/40

Answer: You need 19/40 of a cup.

Please help im almost done

Answers

Answer:

1/4

Step-by-step explanation:

the numerator is 12 because there are 12 possible outcomes. The numerator is 3 because there are 3 numbers in this set that are greater than 9. You get 3/12 which then simplifies to 1/4

What is z?
5z+8=4z+20
Once again im struggling and need help fast..=)

Answers

5z+8=4z+20
-8 -8
5z=4z+12
-4z -4z
z=12

z= 12 hope this helps

Which is bigger 5/8 or 7/12

Answers

5/8=0.625

7/12=0.583......

5/8 is bigger as ive put both into a decimal as it is easier to tell

5/8 and 7/12
15/24 14/24
15 is greater than 14

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