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2 years ago

I need help, Paul drew a net for a square pyramid. Which figure could be the one Paul drew?

Mathematics

2 answers:

Ronch [10]2 years ago

5 0

The last one because the base is a square

irga5000 [103]2 years ago

4 0

Answer:

The answer is option 4.

Step-by-step explanation:

The middle of the figure is the base which is a square.

The 1st figure is Cube .

The 2nd figure is Triangular Pyramid .

The 3rd figure is ...

The 4rd figure is Square Pyeamid .

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Earth's radius is approximately 6400 km. What is the surface area & volume of the earth?

Tamiku [17]

Answer:

$SA=514,457,600\ km^{2}$

$V=1,097,509,546,667\ km^{3}$

Step-by-step explanation:

step 1

Find the surface area

we know that

the surface area of a sphere is equal to

$SA=4\pi r^{2}$

substitute

$SA=4 \pi (6,400)^{2}$

$SA=163,840,000 \pi\ km^{2}$

substitute the approximate value of pi (3.14)

$SA=(3.14) (163,840,000)$

$SA=514,457,600\ km^{2}$

step 2

Find the volume

The volume is equal to

$V=(4/3)\pi r^{3}$

substitute

$V=(4/3)(3.14) (6,400)^{3}$

$V=1,097,509,546,667\ km^{3}$

8 0

3 years ago

Read 2 more answers

I need help on this!!!

MrRa [10]

Step-by-step explanation:

3 tickets = $16.50

1 tickets = $16.50/3

= $5.5

2 tickets = $2×5.5

= $11.00

8 0

3 years ago

Read 2 more answers

750 split in to the ratio 7:8

Alex787 [66]

Given:
total = 750
ratio = 7 : 8

We need to get the ratio of the number to its total

7 + 8 = 15 ; 7/15 and 8/15 is the ratio of the number to its total.

We multiply these ratio to the total of 750

7/15 * 750 = 350
8/15 * 750 = 400

7:8 is equal to 350:400

5 0

3 years ago

A car is driving towards home at 0.5 miles per minute. If the car is 4 miles from home at t=0 , which of the following can repre

Lostsunrise [7]

Answer:

the answer is D

7 0

2 years ago

You and your friend buy 2 fruit smoothies and leave a tip. You split the total and your half comes to 3.60. What percent tip did

NNADVOKAT [17]

The percent of the tip left is 20% from $3.60

7 0

3 years ago