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2 years ago

Brainliest* show all work and look at the picture and do all three

Mathematics

1 answer:

hjlf2 years ago

7 0

Answer/Step-by-step explanation:

Formula:

C = 2πr

Note: π = 3.14(About)

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[3] It given that the diameter is 16 ft.

Diameter - a straight line passing from side to side through the center of a body or figure

Radius - Half of Diameter

C = 3.14(16)

= 50.24 ft

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[4] It given that the radius is 7.5 in

Radius - a line segment extending from the center of a circle or sphere to the circumference or bounding surface.

C = 3.14(15)

= 47.1 in

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[5] It given that the radius is 42 m

C = 3.14(84)

= 263.76 m

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As Noted : π is approximately 3.14. Thus the answers are approximately

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For more information:

brainly.com/question/3471062

brainly.com/question/19434251

brainly.com/question/22387244

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Kavinsky

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ruth lives in a place where it rains an average of 12 days out of 90. if the weather each day is independent of the previous day

evablogger [386]

Answer:

65%

Step-by-step explanation:

Probability that it rains is 12/90

So, probability that it will NOT RAIN is 90 - 12 = 78 out of 90

Independent probability gets multiplied, so probability that it will not rain in 3 consecutive days would be:

P(Not Rain) * P(Not Rain) * P(Not Rain)

First, probability of not raining is 78/90, so:

P(Not Rain) * P(Not Rain) * P(Not Rain)

= 78/90 * 78/90 * 78/90 = 474552/729000

When divided, this will be 0.6509

To convert it to percentage, we multiply by 100:

0.6509 * 100 = 65.09

Rounded to nearest percentage, that will be 65%

4 0

3 years ago

What is the answer to this question? Please answer asap

MrMuchimi

Fg(-2). Replace the x in f(x) with the equation of g(x):

fg(x) = 5(6x + 6) = 30x + 30

Therefore,

fg(-2) = 30(-2) + 30 = -60 + 30 = -30

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4 years ago

PLA This is for my homwork. PLA help ME!

Mice21 [21]

82/4+20-15
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3 years ago

Dr cheeks tries to run at least 45 rotation on her hamster wheel each week she has already run 6 rotation. which inequality show

stepladder [879]

Let x be the number of rotations left to run, then
x + 6 ≥ 45

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4 years ago

Read 2 more answers

A farmer finds that if she plants 50 trees per acre, each tree will yield 80 bushels of fruit. She estimates that for each addit

pashok25 [27]

Answer:

Step-by-step explanation:

From the given information:

Let x be the number of trees.

F(x) = (50 +x) (20 - 3x)

F(x) = 1000 - 150x + 20x - 3x²)

F(x) = -3x² - 130x + 1000

Differentiating F(x) with respect to x;

$F'(x) = \dfrac{d}{dx}( -3x^2- 130x + 1000)$

$F'(x) = ( -3(2x)- 130(1) +0)$

F'(x) = -6x -130

Now; we set F'(x) to be equal to zero to determine the critical value;

-6x - 130 = 0

x = - 130/6

Differentiating F''(x) with respect to x

$F''(x) = \dfrac{d}{dx}( -6x- 130)$

$F''(x) = ( -6(1))$

F''(x) = -6 (<0)

Thus; by the second derivative, the revenue function F(x) is maximum when x = -130/6

Therefore, the number of trees she should plant per acre to maximize her harvest is:

50 + x = 50 - 130/6

= 85/3

$\simeq$ 28

Therefore, the number of trees per acre to maximize the harvest is 28

6 0

3 years ago