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atroni [7]
3 years ago
10

Help with these two figured and you shall be granted points. Good deal, half off.

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0

Answer:

5. C - 180ft²

6. D - 120m³

Step-by-step explanation:

5.

(6.5 x 11) = 71.5

(6 x 2.5) = 15

(6 x 11) = 66

(2.5 x 11) = 27.5

6.

((7.5 x 4)/2)(8) = 120

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One of the questions on a survey asked adults if they used the internet at least occasionally. The results showed that 450 out o
earnstyle [38]

Answer: 0.9414

Step-by-step explanation:

Given : One of the questions on a survey asked adults if they used the internet at least occasionally.

450 out of 478 adults aged 18–29 answered Yes.

Then, the point estimate of the proportion of adults aged 18–29 who use the internet will be :-

p=\dfrac{\text{No. of adults aged 18–29 answered Yes}}{\text{total adults aged 18–29 surveyed }}\\\\=\dfrac{450}{478}=0.9414

Thus , a point estimate of the proportion of adults aged 18–29 who use the internet= 0.9414

3 0
4 years ago
What are the x-coordinates for the maximum points in the function f(x) = 4 cos(2x − π) from x = 0 to x = 2π? (1 point) a x = 3 p
Ratling [72]

x-coordinates for the maximum points in any  function  f(x) by f'(x) =0 would be  x = π/2 and x= 3π/2.

<h3>How to obtain the maximum value of a function?</h3>

To find the maximum of a continuous and twice differentiable function f(x), we can firstly differentiate it with respect to x and equating it to 0 will give us critical points.

we want to find x-coordinates for the maximum points in any  function  f(x) by f'(x) =0

Given f(x)= 4cos(2x -π)

f'(x) = 0\\- 4sin(2x -\pi ) =0\\\\sin (2x -\pi ) =0 \\2x -\pi  = k\pi ...  k in Z

In general  x=(k+1)\pi /2

from x = 0 to x = 2π :

when k =0  then  x = π/2

when k =1  then x= π

when k =2  then x= 3π/2

when k =3  then x=2π

Thus, X-coordinates of maximum points are  x = π/2 and x= 3π/2

Learn more about maximum of a function here:

brainly.com/question/13333267

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4 0
2 years ago
Jasmine is 135.6 centimeters tall, Carlos is 135.75 centimeters tall, and Mason is 135.25 centimeters tall. Who is the tallest?
IRINA_888 [86]
<span>Carlos, as 0.75is bigger than 0.60 or 0.25

</span>
4 0
3 years ago
A.
Digiron [165]
Given:

<span>The average number of daylight hours each month in Springfield in 2015:

Jan   9.5
Feb  10.5
Mar  12
Apr  13.25
May  14.5
Jun   15
Jul    14.75
Aug   13.75
Sep    12.5
Oct    11.0
Nov   9.75
Dec   9.25

Now, we observe the trend of the monthly hours, it starts with a low value then increases and decreases back to the original value. This represents a parabola with the highest point of 15 hours. </span><span />
5 0
3 years ago
What fraction of 1 yard is 3 inches explain.
tangare [24]

Answer:

  1/12

Step-by-step explanation:

For a question like this, the measures need to have the same units. It is convenient to use inches. A yard is 36 inches, so the fraction is ...

  (3 in)/(36 in) = 3/36 = 1/12

3 inches is 1/12 of a yard.

3 0
4 years ago
Read 2 more answers
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