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krek1111 [17]
2 years ago
10

6th-grade math I NEED THIS DONE URGENTLY

Mathematics
2 answers:
Leokris [45]2 years ago
4 0

Answer:

31.4 in

Step-by-step explanation:

1st half is 10 in. Multiply that by 3.14 (pi)

31.4

Mice21 [21]2 years ago
3 0

Answer:

62.83

Step-by-step explanation:

Is it 10? as the radius, all you do is 2 pie r

can't find the symbol for pie but 2pie x 10

put the 2 next to the pie symbol btw and you should get 62.83185 blah blah but round that to the nearest tenth and   62.83

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Emily rented a bike from kaylas bikes. It cost $15 plus $5 per hour.
crimeas [40]

Answer: 7 hours.

Step-by-step explanation:

The rental price is 15. Add 5 per hour (5x) and the total must be equal to $50

15+5x=50

Solve for x;

5x=50-15\\5x=35\\x=\frac{35}{5}\\ x=7

4 0
3 years ago
Evaluate 5|x^3 - 2| + 7 when x = -2
Dafna1 [17]

Answer:

57

Step-by-step explanation:

5 |-2^3 - 2| + 7

-2^3 = -8

-8 - 2 = -10

absolute value of -10 = 10

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50 + 7 = 57

7 0
2 years ago
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2 years ago
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Which of the following is the solution to the differentiable equation dy/dx=4x/y, where Y(2)=-2
aliya0001 [1]

First we'll substitute \frac{dy}{dx} with y'

y'=\frac{4x}{y}

Then we can separate this.

yy'=4x

Then we'll solve this.

yy'=4x: \frac{y^2}{2}=2x^2+c_1

\frac{y^2}{2}=2x^2-6

y=2\sqrt{x^2-3},y=-2\sqrt{x^2-3}

Then we'll plug in to find the extraneous solutions (if any)

y=-2\sqrt{x^2-3}

7 0
3 years ago
Given the piecewise function. Shown below
creativ13 [48]

Answer:

  (x, g(x)) = {(-2, -2), (0, 0), (2, 2), (4, -3), (6, -3)}

Step-by-step explanation:

The first three values of x in the table are all less than or equal to 2, so the first part of the function definition applies. The y-value is equal to the x-value. The ordered pairs are ...

  (-2, -2), (0, 0), (2, 2)

The last two values of x in the table are more than 2, so the last part of the function definition applies. For those values of x, the y-value is -3. The ordered pairs are ...

  (4, -3), (6, -3)

5 0
2 years ago
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