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vfiekz [6]
2 years ago
7

Jett had a coupon to buy a computer for 40% off. He paid $210 for the computer. What was the original price?

Mathematics
1 answer:
MaRussiya [10]2 years ago
4 0

Answer:

original price=($210*100)/(60)

                     =$350

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A cone has volume 12pie cubic inches. Its height is 4 inches. What is its radius?
stepan [7]

Answer:

r = 3

Step-by-step explanation:

The formula of a volume of a cone

V= 1/3 pie r^2 H

r - radius

H - height

We have V = 12π in³ and H = 4 in. Substitute:

4 0
3 years ago
three adults and four children must pay $122 for tickets. Two adults and three children must pay $87. what are the price of each
Natasha2012 [34]

Let a be the price of an adult ticket, and c the price of a child ticket.

The sentence "Three adults and four children must pay $122 for tickets" translates to 3a+4c = 122

The sentence "Two adults and three children must pay $87" translates to 2a+3c = 87

Which leads to the linear system

\begin{cases} 3a+4c = 122\\2a+3c = 87 \end{cases}

You can solve this system as you prefer, for example you can multiply the first equation by 2 and the second by 3 to get

\begin{cases} 6a+8c = 244\\6a+9c = 261\end{cases}

Now subtract the first from the second:

(6a+9c) - (6a+8c) = 261-244 \iff c = 17

Now plug this value for c in any of the equations, for example the first:

3a+4c = 122 \iff 3a+4\cdot 17 = 122 \iff 3a+ 68=122 \iff 3a = 54 \iff a = 18

5 0
3 years ago
Help asappp please
Nat2105 [25]

Answer:

B changes at x = +2 where the others change at x = -2

Step-by-step explanation:

4 0
3 years ago
Solve for x: 3x − 2 > 5x + 10.
Assoli18 [71]

Answer: hopefully this is what you need

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality form:

X < -6

Interval Notation:

(-♾, -6)

8 0
3 years ago
Carlos is looking at apartments with 3 of his friends. They want the monthly rent to be no more than $2,360. If the roommates sp
alekssr [168]

Answer:

  $590

Step-by-step explanation:

$2360 divided by 4 is $590.

3 0
4 years ago
Read 2 more answers
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