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IgorLugansk [536]
4 years ago
11

Simpliest expression for (12.7y-3.1x)+5.9y-(4.2y-x)

Mathematics
1 answer:
Blababa [14]4 years ago
7 0

Answer:

  -2.1x +14.4y

Step-by-step explanation:

Use the distributive property to eliminate parentheses. Then combine like terms.

  (12.7y-3.1x)+5.9y-(4.2y-x)

  = 12.7y -3.1x +5.9y -4.2y +x

  = x(-3.1 +1) +y(12.7 +5.9 -4.2)

  = -2.1x +14.4y

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Please help! (listing BRAINLIST and giving points) ​
Yuri [45]

Answer:

Step-by-step explanation:

sin x = opposite / hypotenuse

sin x = b / c

cos x = adjacent / hypotenuse

cos x = a / c

tan x = opposite / adjacent

tan x = b / a

4 0
3 years ago
Consuelo's living room is the shape of a rectangle and has an area of 360 square feet. The width of the living room is 5/8 its l
zlopas [31]

Answer:

The answer to your question is length = 24 ft

Step-by-step explanation:

Data

Rectangular-shaped

Area = 360 ft²

lenght = x

width = 5/8x

Formula

Area = length x width

- Substitution

360 = (x)(5/8x)

- Solve for x

360 = 5/8x²

x² = 360(8)/5

x² = 2880 / 5

x² = 576

- Result

x = 24 ft

- Conclusion

The length of the living room is 24 ft and the width is 24(5/8) = 15 ft.

3 0
4 years ago
Rewrite 3x3x3x3x3 using an exponent
cluponka [151]

Answer:

3^5

Step-by-step explanation:

<u>Every time a number is multiplied by itself, that adds another power</u>

3 = 3^1

3*3 = 3^2

3*3*3 = 3^3

PROBLEM:  3*3*3*3*3 = 3^5

Answer:  3^5

5 0
3 years ago
Read 2 more answers
Just need help with it ngl don’t understand it
brilliants [131]

Answer:

i cant see the picture

Step-by-step explanation:

6 0
3 years ago
7 line tshirt company manufactures t-shirts and sells them online.The company has a model where the cost C, in dollars to make x
bonufazy [111]

Answer:

The company must sell at least 2 shirts to break even.

Step-by-step explanation:

Cost:

The cost is given by the following equation:

C = \frac{40}{30x+20} + 20 = \frac{4x}{3} + 20

Revenue:

The revenue is given by the following equation:

R = 15x

How many t shirts must the company sell to break even?

Breakeven point is when the revenue is the same as the costs. So

\frac{4x}{3} + 20 = 15x

15x - \frac{4x}{3} = 20

\frac{45x}{3} - \frac{4x}{3} = 20

Multiplying everything by 3

45x - 4x = 60

41x = 60

x = \frac{60}{41} = 1,...

Since you cant make a decimal value of shirts

The company must sell at least 2 shirts to break even.

[

7 0
3 years ago
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