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alekssr [168]
3 years ago
11

What are the dimensions of the base of the pyramid?

Mathematics
1 answer:
aleksley [76]3 years ago
4 0

Answer:

C

Step-by-step explanation:

its a wild guess because you didn't add a picture or anything to show the  pyramid

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Christopher can paint the interior of his house in 15 hours. if he hires cynthia to help him they can do the same job together i
jenyasd209 [6]

If Christopher can paint his whole house in 15 hours, then he can get 1/15 of the job done in a single hour. If he hires Cynthia to help and they get the job done together (the sum of their efforts) in 9 hours, they can get 1/9 of the job done in a single hour. We are looking for how long Cynthia would take to do it on her own. Remember we are adding their efforts together and setting that equal to the total, so the equation is \frac{1}{15}+\frac{1}{x}=\frac{1}{9}. What we are going to do here, what makes the most sense in solving for x, is to move the term with x in it to the other side of the equation and move the 1/9 over by subtraction. \frac{1}{15}-\frac{1}{9}=-\frac{1}{x}. Of course before we can subtract those 2 fractions we need a common denominator, which happens to be 45: \frac{3}{45}-\frac{5}{45}=-\frac{1}{x} and -\frac{2}{45}=-\frac{1}{x}. We will cross multiply to get 2x = 45 and divide to find that it takes Cynthia 22.5 hours to do the job if she had to do it alone.

7 0
3 years ago
Answer fast I need help and it need to be done tomorrow.
Galina-37 [17]

Answer:

lol i think the answer is 3

5 0
3 years ago
At a baseball game, a hamburger costs $2 more than
Aliun [14]

Answer:

Hamburger = $6

Hotdog = $4

Step-by-step explanation:

136 - 14(2) = 108

108 / 13 + 14 = 4

If a hamburger is 2 dollars more than you would just add 2 to this

4 0
3 years ago
Another one please help
n200080 [17]
-- The area of the long skinny piece on top is (6 x 33) = 198

-- The length of the dotted line between the top and bottom pieces is (33-21) = 12

-- The area of the bottom  piece is (12 x 15) = 180

-- The area of the whole thing is (198 + 180) = 378

-- The perimeter of the whole thing is (33 + 6 + 21 + 15 + 12 + 15 + 6) = 108
6 0
3 years ago
Find the slope of the line passing through the point (-3, 6) and the origin.<br> M=
Nuetrik [128]
You know b=0 because it is passing through the orgin (0,0) and b is the y intercept. You input (-3,6) as (x,y)

7 0
3 years ago
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