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3 years ago

Are points A, C, D, and F coplanar? Explain.

Mathematics

1 answer:

tatiyna3 years ago

6 0

Answer: Choice B)

The points A, C and D form a triangle which is the front face you see in the pyramid. Point F is not on this triangle at all. Point F is towards the back at the base of the pyramid away from this front face. So we consider A,C,D,F collectively as a whole to be not coplanar. If we ignored the point F, then we can say that A,C,D are coplanar.

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A man spent Rs. 1015.625 on weeding a square at the rate of Rs. 6.50 per m2. How much will it cost to fence it at the rate of Rs

amid [387]

The total cost of fencing will cost 412.5 rupees

Step-by-step explanation:

Given

Total amount = 1015.625 Rupees

Rate per m^2 = 6.50

First of all we have to divide the total amount by per meter rate to find the area of the square.

So,

$Area = \frac{Total\ amount}{per\ meter\ amount}\\=\frac{1015.625}{6.50}\\=156.25\ m^2$

Now we have to find the side of the square

So,

$s = \sqrt{A}\\s = \sqrt{156.25}\\s = 12.5\ meters$

For fencing, we have to find the perimeter first

So,

$P = 4s\\= 4 * 12.5\\= 50\ meters$

Rate of fencing per meter = 8.25 rupees

So total cost of fencing will be:

$= 50 * 8.25\\=412.5\ rupees$

So,

The total cost of fencing will cost 412.5 rupees

Keywords: Perimeter, area

Learn more about area and perimeter at:

#LearnwithBrainly

8 0

3 years ago

Pls help me with the 6 problems in the photo it would be very helpful!!!

Sholpan [36]

Answer:

I believe the slope of question 6 is zero

Step-by-step explanation: This is becaucse it horizontal to the y-axis

7 0

3 years ago

A picher of fruit punch holds 2 gallions.if 9 people Share the entire picher eqally ,hoy mucho punch does each person each peson

Ket [755]

I use the impeial system so this might be slightly off. 37.5 fluid ounces, or 7.5 gills, or 1.9 pints, or 0.85 quarts, or 0.22 gallons

8 0

4 years ago

You deposit $2000 in an account that earns 5% annual interest compounded quarterly Find the balance after five years. Show work.

evablogger [386]

500 , 2000x.05 is 100 10x5 = 500

8 0

3 years ago

ANSWER 18,20,22, and 24! REMEMBER TO WRITE AN EQUATION! THANK YOU! BEST ANSWER GETS MARKED AS BRAINLIEST

castortr0y [4]

18. 2(x + 26) = 264
x = $106

20. (9/5)C + 32 = F
(9/5)(-35) + 32 = F
-63 + 32 = -31 degrees F

22. 73 = 2x + 11, x = the original number of customers
x = 31 original customers

24. 8x + 19 = 115
x = 12 days

4 0

3 years ago