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erma4kov [3.2K]
3 years ago
6

2 (x-1)+3x=3 what is the answer?

Mathematics
1 answer:
umka21 [38]3 years ago
7 0
Distribute on the left
2x-2+3x=3

Combine like terms
5x-2=3

Add 2 to both sides
5x=5

Divide both sides by 5
x=1

Final answer: x=1
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Boxes of sticky finger s popsicles are 4.50. The supermarket is offering a 30%off coupon. What is the price with the coupon?
natali 33 [55]
If it is 30% off, then ur actually paying 70%
70% of 4.50....turn percent to decimal...." of " means multiply
0.70(4.50) = 3.15 <==

another way...
4.50 - 0.30(4.50) = 4.50 - 1.35 = 3.15 <==

either way, u will get the same answer :)
8 0
2 years ago
Read 2 more answers
Solve by completing the square. x^2-10x-5=28
satela [25.4K]

Answer:

Hey THERE

x=5+√58 or x=5−√58 is the answer

Step-by-step explanation:

x2−10x−5=28

8 0
2 years ago
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Find the volume of the composite solid. Round your answer to the nearest tenth
Vesna [10]

Answer:

V = 1206.3 ft^{3}

Step-by-step explanation:

This shape is made up of a cylinder on the bottom and a cone on the top. We'll find the volumes of these shapes separately and then add them together.

Volume of a cylinder = area (of the base) x height

Substitute in the formula for the area of a circle.

V(cylinder) = \pir^{2} x h

Substitute in the values for the radius (8) and height (4)

V(cylinder) = \pi x 8^{2} x 4

Evaluate using a calculator

V(cylinder) = 804.2477

To the nearest tenth, V(cylinder) = 804.2

Volume of a cone = \frac{\pi r^{2}h }{3}. This is the area of the circular part of the cone (\pi r^{2}), multiplied by the height from the point to the base, all divided by 3.

Substitute in the values for the radius of the circle (8) and the height (6)

V(cone) = \frac{\pi 8^{2} 6 }{3} (On the top it's \pi x 8^{2} x 6)

Evaluate using a calculator

V(cone) = 402.1239

To the nearest tenth, V(cone) = 402.1

Total volume = V(cylinder) + V(cone)

= 804.2 + 402.1

= 1206.3 ft^{3}

7 0
3 years ago
Please help please please
alexgriva [62]
Two sets (or three technically)
sets {2, 4, 6, 8, 10} & {8,9,10}

The probability of one of the above numbers because it is a union of those two vars/sets so numbers from either set go

{2, 4, 6, 8, 9, 10}
Thats 6 of the 10 numbers 

6/10
.6

If i'm wrong, sorry, haven't done this kind of stuff in a while
8 0
3 years ago
The population of a town increased from 3650 in 2012 to 4700 in 2014. Find the absolute increase.
aev [14]
Treat this like a slope formula. Y2-y1 divided by x2-x1.
Your y2 value is the second population
Y1= value of first population.
X2= second year they give
X1= first year they give.
4700-3650
_________
2014-2012

1050
____
2

525 is the increase a year
8 0
2 years ago
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