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geniusboy [140]
3 years ago
14

3x=3(3x+1) x=(3x+1) -2x=1 x=- 1/2

Mathematics
1 answer:
Gemiola [76]3 years ago
6 0
You got the equation correct
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Find the circumference of a circle with an area of 615.75 square inches.
Fittoniya [83]
A=pie×radius squared is the area formula of a circle. The circumference formula or a circle is C=pie×diameter. 615.75=(3.14)(radius) squared. Divide both sides by the 3.14. What ever 615.75 divided by 3.14 is-is radius squared. The square root is your radius. The radius is half the diameter, so double what you have right now as the radius to get the diameter. Now since C=pie×diameter, your circumference is your pie×your diameter. Whatever your answer is-is your circumference.
3 0
3 years ago
PLEASE! An item costs 410 before tax, and the sales tax is 32.80.
Norma-Jean [14]

Divide the amount of the tax by the cost of the item:

32.80 / 410 = 0.08

Multiply by 100:

0.08 x 100 = 8%

Answer: 8%

8 0
2 years ago
Write an equation in slope-intercept form for the line with slope 4 and y-intercept -5.
ArbitrLikvidat [17]

Answer:

y = 4x -5

Step-by-step explanation:

y = mx+b

m = slope

b = y-intercept

so y= 4x -5

7 0
3 years ago
It took James 5h to paint an 8ft by 24ft wall. At this rate, how long would it take him to paint a 12ft by 36ft wall
olasank [31]
8 * 24 feet = 192 sq feet per 5 hours

12* 36 = 432 square feet

432 is 2.25 times the area of 192 square feet

So, it takes 5 * 2.25 = 11.25 hours


7 0
3 years ago
Five countries enter a race. The first three racers in order, Jamaica finished before Barbados, but behind Trinidad. Haiti finis
AveGali [126]

Answer:

Barbados won the Bronze.

Step-by-step explanation:

The information indicates that Jamaica finished before Barbados, but behind Trinidad which means that Trinidad was the first one, then Jamaica and the third one was Barbados:

1. Trinidad

2. Jamaica

3. Barbados

Then, it indicates that Haiti finished before Guyana, but behind Barbados which indicates that Haiti was in 4th place after Barbados and  the last one was Guyana:

1. Trinidad

2. Jamaica

3. Barbados

4. Haiti

5.Guyana

According to this, the answer is that Barbados won the Bronze.

8 0
3 years ago
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