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3 years ago

11

Of the 240 available seats for a concert, 63 seats were reserved. What fraction of seats was reserved? Write your answer in simp

lest form.

1 answer:

Olin [163]3 years ago

6 0

63/240 seats or 21/80
The greatest common denominator is 3, so you would divide both by 3.

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What is the solution of this equation? -1/2n2+18=0

SashulF [63]

Answer:

$n=-6\text{ or } n=6$

Step-by-step explanation:

So we have the equation:

$-\frac{1}{2}n^2+18=0$

Subtract 18 from both sides. The left cancels:

$-\frac{1}{2}n^2=-18$

Multiply both sides by -2. The left cancels again:

$n^2=36$

Take the square root of both sides:

$n=\pm\sqrt{36}$

Since we're taking the square root, we need to use plus-minus.

Evaluate:

$n=\pm 6$

So, the solutions are -6 or 6.

5 0

3 years ago

How do you combine like terms of -8(r-2) + 6(r-2) ??? Will mark brainliest if the answer is right.

solmaris [256]

Answer:

$-2r+4$

Step-by-step explanation:

$-8(r-2)+6(r-2)$

Distribute:

$(-8)(r)+(-8)(-2)+(6)(r)+(6)(-2)\\-8r+16+6r+-12$

Combine like terms:

$(-8r+6r)+(16+-12)\\-2r+4$

-2r + 4 is your answer.

6 0

3 years ago

What is the solution to 4x-14+3x=161

Pachacha [2.7K]

Answer:

x = 175/7

Step-by-step explanation:

Combining the like terms in 4x-14+3x=161, we get

7x = 175, and so:

x = 175/7

6 0

3 years ago

In chemistry class, Bob recorded the volume of a liquid as 13.2 mL. The actual volume was 13.7 mL. Use the formula to find perce

frez [133]

Experimental value=13.2mL
actual volume=13.7mL

|13.2-13.7|=|-0.5|=0.5
0.5/13.7 *100%=3.7%

6 0

3 years ago

Read 2 more answers

Two grocery stores charge amounts for Henry’s favorite olives mangio’s pounds:3 4 5 6

NISA [10]

Answer:

$6 per pound

Step-by-step explanation:

If you do 3 x 6 you get 1, 4 x 6 is 24, 5 x 6 is 30, 6 x 6 is 36. Those are the numbers that they cost. If this helped please consider giving it brainliest.

- •Trix•

( Yes I know my -•Trix• is not my user but its what I would change it to if I could but I can't)

8 0

2 years ago