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forsale [732]
3 years ago
10

Write 45 as a product of prime factors.

Mathematics
1 answer:
Nina [5.8K]3 years ago
7 0
45=9 x 5
    =3 x 3 x 5
Break up 45 into factors and that factor into factors until all of the factors are prime.
45=3 x 3 x 5
Hope this helps. 
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K I don't feel like doing this either so.
frutty [35]

Answer: 68 minutes or 1 hour and 8 minutes spent in all putting up the fence

Step-by-step explanation:

(4/5) x 60 = 48 minutes

4/5 is the same as 0.8, which is what you get when you divide four by 5

So, 0.8 x 60 = 48 is also acceptable

Then,

(1/3) x 60 = 20 minutes

1/3 is the same as 0.333333333333, which is what you get when you divided 1 by 3

So, 0.33333(and so on) x 60 = 20

- Typically, you can round 0.3333333 down to something like 0.333 which should give you a similar answer

Then, as it asks you for how much time he spent in all, you add those two together

48 minutes + 20 minutes = 68 minutes  OR 1 hour and 8 minutes (There is sixty minutes in 1 hour, so subtract the 60 from 68 and then you have 8 minutes left, thus 1 hour and 60 minutes)

3 0
2 years ago
Watch help video
Anastaziya [24]
Where is the video 57247
6 0
3 years ago
How do i evaluate this problem ?
Charra [1.4K]

plug a=2 and b=4 in the expression

5(2)+7(4)

simplify

10+28

solve

=38

8 0
3 years ago
Find the volume of this object.
vredina [299]

Answer:

504 ft^3

Step-by-step explanation:

Ok, so we have the equation for the cylinder as well as the rectangular prism. Basically we're just going to find the volume of each of them separately and then add them together.

Let's start with the cylinder:

V(cylinder) = pi*r^2*h

pi = 3

d = 4ft

r = d/2 = 4/2 = 2ft

h = 12ft

V(cylinder) = (3)*(2^2)*(12)

V(cylinder) = 3*4*12

V(cylinder) = 144 ft^3

Now the rectangular prism:

V(rectangular prism) = l*w*h

l = 10ft

w = 6ft

h = 6ft

V(rectangular prism) = 10*6*6

V(rectangular prism) = 360 ft^3

Now we can add them together:

V(total) = 360 + 144

V(total) = 504 ft^3

7 0
2 years ago
The cost of oranges is $1. What is the cost of 5 dozen oranges.
lara31 [8.8K]

Answer:

60

Step-by-step explanation:

6 0
2 years ago
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