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Ainat [17]
3 years ago
5

C=2(3.14)r; c=14(3.14) solve for r

Mathematics
1 answer:
tekilochka [14]3 years ago
7 0

Answer:

c=2(3.14)r

given c=14(3.14), then r

make r the subject formula and substitute given c=14(3.14)

r=c/2(3.14)

r=14(3.14)/2(3.14)

r=7

Step-by-step explanation:

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Consider the exponential functions below.
klio [65]

The functions in order from least to greatest according to their average rates of change are function f at the interval [1,2], function h at the interval [0,2] and function g at the interval [2,3]

<h3>How to order the functions?</h3>

The rate of change is calculated using:

m = \frac{y_2 -y_1}{x_2 -x_1}

For function g at the interval [2,3], we have:

m = \frac{g(3) - g(2)}{3- 2}

This gives

m = \frac{20 - 4}{3- 2}

m =16

For function h at the interval [0,2], we have:

m = \frac{h(2) - h(0)}{2- 0}

Where:

h(2) = 3(3)^2 - 9 = 18

h(0) = 3(3)^0 - 9 = -6

This gives

m = \frac{18 + 6}{2 - 0}

m = 12

For function f at the interval [1,2], we have:

m = \frac{f(2) - f(1)}{2- 1}

This gives

m = \frac{12 - 6}{2 - 1}

m = 6

Hence, the functions are function f at the interval [1,2], function h at the interval [0,2] and function g at the interval [2,3]

Read more about average rates of change at:

brainly.com/question/8728504

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3 0
2 years ago
PLEASE HELP NEED THIS ONE TO PASS
Ghella [55]

Answer:

x  = 4.

Step-by-step explanation:

We see that it passes through the x axis at  the point (4, 0) so x = 4 is a solution.

Check by solving the equation

x^2 - 4x + 13 = 13

Subtract 13 from both sides:

x^2 - 4x = 0

x(x - 4) = 0

x = 0 or x - 4 = 0,  so:

x = 0 or  4.

6 0
4 years ago
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Evaluate the expression for<br> x = 8, y = 4:<br> x + 10/y+5
Nesterboy [21]

Answer:

<h2><em>2</em></h2>

<em>Sol</em><em>ution</em><em>,</em>

<em>X=</em><em>8</em>

<em>y</em><em>=</em><em>4</em>

<em>Now</em><em>,</em>

<em>\frac{x + 10}{y + 5}  \\  =  \frac{8 + 10}{4 + 5}  \\  = \frac{18}{9}  \\  = 2</em>

<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em>

5 0
4 years ago
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What are the coordinates of the image of vertex D after a reflection across the x-axis?
Elena-2011 [213]

Answer:

(-3,5) ia the answer

Step-by-step explanation:

It is because when you reflect it across the x axis the first coordinate will be negative and the second number is positive since its in the second square of the graph, so it is more of a resonable guess.

4 0
4 years ago
Cos B =<br>tan B =<br>sin B =​
Oduvanchick [21]

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Tangent of an angle = the length of the side opposite of the angle / the length of the side adjacent to the angle.

The acronym to remember this is SOHCAHTOA

SOH | CAH | TOA

SOH means sin(x) = opposite/hypotenuse

CAH means cos(x) = adjacent/hypotenuse

TOA means tan(x)= opposite/adjacent

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8 0
3 years ago
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