Determine which of these does NOT illustrate two quantities that combine to make 0.A) Jane collects 12 seashells and then loses 12.
B) Sharon lost 8 pounds and then gained 10 pounds.
C) A business's profit if its income is equal to its expenses.
D) Frank wins five dollars and pays back a $5 debt to a friend.

Answers

Answer 1

Answer: B) Sharon lost 8 pounds and then gained 10 pounds.

A) 12-12=0

B) -8+10=2

C) Profit=Income-Expenses

D) 5-5=0

Answer 2

Answer: B) Sharon lost 8 pounds and then gained 10 pounds. Your welcome

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2 less than one third of the points that the Panthers scored

Which algebraic expression is equivalent to this expression?3(2x − 8) – 11x

A.
-5x – 8
B.
-17x – 24
C.
-17x – 24
D.
-5x – 24

Answers

Answer:

the answer is d

Step-by-step explanation:

Answer:

$\huge\boxed{D.\ -5x-24}$

Step-by-step explanation:

$3(2x-8)-11x\qquad|\text{use the distributive property}\ a(b+c)=ab+ac\n\n=(3)(2x)+(3)(-8)-11x=6x-24-11x\qquad|\text{combine like terms}\n\n=(6x-11x)-24=-5x-24$

A phone company charges $25 per month, plus an installation fee of $50. If you have paid the phone company $375, how many months have you had the phone?

Answers

The total bill was inclusive of the one-time payment of $50 and an additional payment of $25 per month. The only unknown variable here is the amount of months you've had the phone. This can be solved by isolating the unknown variable, like so:

Let: x = number of months

Total bill = one-time payment + monthly payment * number of months
$375 = $50 + $25x
375 - 50 = 25x
325 = 25x

325/25 = 25x/25
x = 13

Therefore, you've had the phone for 13 months.

Is it possible to form a triangle with sides 20, 30, and 50 units?

Answers

No. The sum of any two sides of a triangle must be greater than the third side. 20+30 is not greater than 50.

Please solve and show work

Answers

Answer:

Step-by-step explanation:

9. f(g(-n))

g(-n) = -(n²+5) = -n²-5

f(g(-n)) = 2n+1 (-n²-5 )

2n(-n²-5)+1(-n²-5 )

-2n³-10n-n²-5

-2n³-n²-10n-5

n²(-2n-1) +5(2n-1)

(n²+5)(2n-1)

10. (2x+2)(x³+3)

2x(x³+3)+2(x³+3)

2x⁴ + 2x³ +6x +6

2x³(x+1)+6(x+1)

(2x³+6)(x+1

What is the main job of the legislative branch

Answers

THE MAIN JOB FOR THE LEGISLATIVE BRANCH IS TO MAKE LAWS

Legislative Branch: Headed by Congress, which includes the House of Representatives and the Senate. The main task of these two bodies is to make the laws. Its powers include passing laws, originating spending bills (House), impeaching officials (Senate), and approving treaties (Senate).

If the dimensions of a rectangle are a+3b and a−3b, what is the area of the rectangle in terms of a and b?

Answers

area=legnth times width
we notice this is a special case
(a+b)(a-b)=a^2-b^2

area=(a+3b)(a-3b)=a^2-9b^2

area=a^2-9b^2

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