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swat32
2 years ago
8

IF CORRECT ILL MARK BRAINLIEST! USE THE NET TO FIND THE SURFACE AREA OF THE REGULAR PYRAMID

Mathematics
1 answer:
Phoenix [80]2 years ago
3 0

Answer:

275.63 mm^2

Step-by-step explanation:

The measurements of the pyramids are

Edge length: 10
Egde width: 8.66 (because 10x8.66/2 = 43.3)
Height: 9

To find the surface area, use this formula, and you will get 275.63:

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Jack usually mows his lawn in 6 hours. marilyn can mow the same yard in 4 hours. How much time would it take for them to mow the
Anuta_ua [19.1K]

Answer:

2.4 hours or 2 hours and 24 minutes

Step-by-step explanation:

Jack mows 1/6 of the lawn per hour while Marilyn mows 1/4 of the lawn together. Adding up those rates yields in their combined mowing rate:

R = \frac{1}{6}+ \frac{1}{4}\\R=\frac{10}{24}

The time required for them to mow the entire lawn is:

t = \frac{1}{R}\\t = \frac{1*24}{10}\\ t=2.4\ hours

It would take them both 2.4 hours to mow the lawn together.

5 0
3 years ago
Select 3 ratios that are = to 11:1
Sophie [7]
22:2 33:3 44:4
Hope this helps
3 0
3 years ago
Help me plis I don’t know (11 points)
klasskru [66]

Answer:

D and E

Step-by-step explanation:

Both of these answers are still equal to the fraction -2/5.

5 0
3 years ago
Which has one line of symmetry
Darya [45]

Answer:

D

Step-by-step explanation:

An isoceles triangle has two eqial sides and angles wich give it exactly one axe of symmetry

8 0
3 years ago
Read 2 more answers
what is 8 divided by 2 with 2+2 inn the parenthesis. I want to befriend the first person to get it. It's hard but have fun!!!
Leona [35]

Answer:

16 or 1. There are 2 different answers depending on how you take the question as.

Step-by-step explanation:

8÷2(2+2)=

8÷2(4)=

4(4)=

16

OR

8÷2(2+2)=

8÷2(4)=

8÷8=

1

4 0
4 years ago
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