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Rzqust [24]
3 years ago
14

The product of three and a square number is twice the sum of the number and four

Mathematics
1 answer:
alex41 [277]3 years ago
5 0
Write an equation, calling the number x:

3x=2(x+4)

3x=2x+8

x=8

However, 8 is not a perfect square, which was required in the problem, so there are no solutions.
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If you had half a dollar, three quarters, eight dimes, six nickels, and nine pennies, how much money would you have altogether?
hjlf

Answer:

$1.69

Step-by-step explanation:

Half a dollar = $0.50

Eight dimes = $0.80

Six nickels = $0.30

Nine pennies = $0.09

Total = $0.50 + $0.80 + $0.30 + $0.09 = $1.69

4 0
2 years ago
Khloe's car used 8 gallons of gas to drive 272 miles. At what rate does her car use gas in gallons per mile? Express your answer
marin [14]

Answer: (You have to do a tiny bit of work, but im practically giving you the answer)

Step-by-step explanation: We’re trying to find out how many gallons of gas it takes to drive 1 mile.

1. So, 8 divided by 272= 0.02941176

2. Simplify 0.02941176 and you have your answer!

8 0
2 years ago
Read 2 more answers
Can the sides of a triangle have lengths 2, 7, and 8?
Natalka [10]

Answer:

Yes

Step-by-step explanation:

As long as any two numbers added are greater than the number not chosen they can make a triangle

2+7= 9     9 is greater than 8

8+2= 10    10 is greater than 7

7+8= 15 .  15 is greater than 2

3 0
3 years ago
Ally sold 18 boxes of girl scout cookies. This was 40% of the number of boxes that Kayla sold. How many boxes did Kayla sell?
S_A_V [24]

Answer:

Kayla sold 90 boxes of cookies.

Step-by-step explanation:

let's have X be the number of boxes Kayla sold.

x⇒100%

18⇒20%

Find x,

x=100/20 × 18

x=90

6 0
3 years ago
Find the image of the given point
saul85 [17]

Answer:

Step-by-step explanation:

p(-3,-3)

here x is -3 and y is also -3 so

p(-3,-3)=p'(x-8,y-3

=p'(-3-8,-3-3)

=p'(-11,0)

4 0
2 years ago
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