A square pyramid has a base area of 36ft2 the pyramids total surface area is 144ft2 what is the area of each triangular face?

Answers

Answer 1

Answer: so a square pyramid is like the pyramids in egypt so
surface area of pyhraid=base+4 triangles
surface area=144
baswe=36
subsitute
144=36+4 times triangles
subtract 36 from both sides
108=4 triggles
divide by 4
27=trignels

the area of 1 triangle is 27 ft^2

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What does f(t) mean?
f(t)=2t-3
What is the value of f(7)?

Answers

value of f(7) is:
f(7)= 2×7-3
f(7)= 14-3
f(7)= 11

Is 25 a perfect cube

Answers

No. The cubed root of 25 is 2.924018.....

If you meant 125, then yes, the cubed root is 5.

Yes. If you draw it out and measure it but it is also a smaller sized cube

What number should be added to both sides of the equation to complete the square?
x² – 6x= 5

Answers

Answer:

x = 8.7 or x = 1.3

Step-by-step explanation:

x² – 6x= 5

(b/2)² = (6/2)² = 9 (Using Completing the square method)

x² – 6x + 9 = 5 + 9

(x -5)² = 14

x-5 = √14

x-5 = ±3.7

Either x-5 =3.7 or x-5 = -3.7

x = 3.7+5 or x = -3.7+5

x = 8.7 or x = 1.3

How many sides does a pentagon have?

Answers

a pentagon has 5 sides

a pentagon has five sides

Evaluate (2 - 3)4(4) - 9 ÷ 3.A. -7
B. -2
C. 1
D. 2

Answers

Answer:

The answer is 1

Step-by-step explanation:

I just did it and got it right

Answer:

Step-by-step explanation:

A field has a perimeter of 1.48 kilometres. It is 460 metres long. How wide is the field?

Answers

$P=1.48 \ km = 1 \ 480 \ m \n \n1 \ km = 1000 \ m \n \n l=460 \ m \n \n it \ has \ perimeter : \n \n P = 2 \cdot l + 2\cdot w \n \n1480=2*460 + 2w \n \n1480=920 +2w\n \n 2w=1480-920\n \n2w=560 \ \ /:2 \n \nw=280 \ m \n \nAnswer : \ field \ has \ a \ width : \ 280 \ m$

P = 1.48km = 1480m
P = 2l + 2w
l = 460
2l = 920
1480 - 920 = 560
560 = 2w
560 ÷ 2 = 280
280m = width or w

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