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aleksandr82 [10.1K]
3 years ago
5

What is 2/5 y + 1/5 x -0.2y-6+(-2)

Mathematics
1 answer:
Sliva [168]3 years ago
6 0

Answer:

\frac{y}{5} + \frac{x}{5}-8

Step-by-step explanation:

1)  Simplify 2 /5y to 2y/5.

\frac{2y}{5} + \frac{1}{5} x-0.2 y-6-2

2) simplify 1/5x to x/5.

\frac{2y}{5} +\frac{x}{5} -0.2y-6-2

3) Collect like terms.

(\frac{2y}{5} -0.2y) + \frac{x}{5} +(-6-2)

4) Simplify.

\frac{y}{5}+ \frac{x}{5} -8

<em><u>Therefor, the answer is </u></em><em><u>y/5 + x/5 -8</u></em>.

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Given that the measurement is in centimeters, find the area of the circle to the nearest tenth. (Use 3.14 for π)
kvv77 [185]

Answer:

Option D) 254.3 cm2

Step-by-step explanation:

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=9\ cm

substitute

A=(3.14)(9)^{2}=254.3\ cm^2

7 0
3 years ago
It costs $50 to join a bowling club plus a monthly fee, the total costs for the year is $350
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If D is the midpoint of CE, CD= 9x-7, and DE= 3x+17, find CE
tatuchka [14]
Hello!

Since D is the midpoint and the two equations are and both sides of point D the equations equal each other

9x - 7 = 3x + 17

Now you solve it algebraically

Add 7 to both sides

9x = 3x + 24

Subtract 3x from both sides

6x = 24

Divide both sides by 6

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Now we put this into both equations and add them

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The answer is 58 units

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3 0
3 years ago
120 - 40 divided by 4 x 6 write 2 steps and then answer and i will give u brainliest
astra-53 [7]

Answer:

your answer is 10/3 (fraction)

Step-by-step explanation:

120-40=80

4 x 6=24

80/24=

  1. first divide both sides by four and get 20/6
  2. then divide by 2 to get 10/3 (fraction form)
5 0
3 years ago
Read 2 more answers
URGENT DUE IN 20 MINUTES FOR GRADE PLEASE HELP<br> 2/3 (x-7)= -2
ASHA 777 [7]
<span>2/3 (x-7)= -2
x - 7 = -2 * 3/2
x - 7 = -3
x = -3 + 7
x = 4</span>
7 0
3 years ago
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