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AlexFokin [52]
3 years ago
10

which is the correct simplified version of the expression shown after distrubuting and combining like terms? 1/3(9x-15)+2x​

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0

Answer:11x + 5

Step-by-step explanation:1/3 times 9X is 3x. 1/3 times 15 is 5. Now you have 9x + 5 + 2x

9x + 2x = 11x

Final answer: 11x + 5

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25% of what number is 15. Can u please explain how you solved it. Thanks :)
Ilya [14]
60.
let x be the number you're trying to solve.
(x/100)25 = 15
x/4 = 15
x = 15(4)
x = 60
4 0
3 years ago
Please answer this question too! :D
Artyom0805 [142]

Answer:

A

Step-by-step explanation:

We can find the surface area of the object by adding the surface areas of each part. We have many rectangle faces to count and two triangular faces. Each has a formula for the area. We will find the area of each and then add them all together.

Triangle - 0.5 *b*h

Rectangle - b*h

<u>Triangles</u>

There are two triangles on either side. The height is 1.5. The base is 1.8.

0.5(1.5)(1.8)=1.35 meters squared

Since there are two, we will add 1.35+1.35 in our final calculation.

<u>Rectangles</u>

We will start by calculating the largest rectangle on the side. It has height of 4 and a base of 2.5 (shown above left).

4(2.5)=10

Since there are two (one we can see and one we can't), we will add 10+10 in our final calculation.

Next we calculate the top and bottom. The height is 3 and the base is 2.5 on top. But the bottom sticks out more and adds 1.8 to its base.

Top - 3(2.5)=7.5

Bottom-3(2.5+1.8)=12.9

Finally, we will calculate the front side and back(not visible) as well as the slant up front. The back side has height 4 and base 3. The front side has base 3 and height 4-1.5=2.5. The slant has base 2.3 and height 3.

Back - 4(3)=12

Front- 3(2.5)=7.5

Slant - 3(2.3)=6.9

We add all together for the total surface area: 1.35+1.35+10+10+7.5+12.9+12+7.5+6.9=69.5 meters squared.

5 0
3 years ago
mya sold ipods on her website.she bought the the ipods for $80 each and included a 45% markup to get the selling price.what was
Anna11 [10]

Answer:

$116.00

Step-by-step explanation:

80.00x45%=36.00

80.00+36.00=116.00

4 0
2 years ago
Harry invests £5000 for 3 years.
mixas84 [53]

Answer:

600

Step-by-step explanation:

Harry invests £5000 for 3 years.

He gets a simple interest of 4% per year.

Work out the total interest Harry gets.

Solution

The formula for simple interest

S.I = P*R*T/100

Where P = Principal = £5000

           R = Rate = 4%

           T = Time = 3 years

 £ 5000 * 4 * 3 /100

  50 * 4 * 3

 £ 600.

5 0
2 years ago
The quotient of a number and 3 is equivalent to-150
Ksju [112]
I did part of it but the rest idk sorry

7 0
3 years ago
Read 2 more answers
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