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noname [10]
3 years ago
15

Work out the question below

Mathematics
1 answer:
Andrews [41]3 years ago
6 0

Answer:

he needs 20.25 bags of sand and it would cost her 80.79

Step-by-step explanation:

150cm*90cm*15cm=202,500cm^3 this is how much sand she needs to fill it

202,500cm^3/10,000cm^3=20.25 this is how many bags he needs

3.99*20.25=80.79 this is how much it'll cost him for all 20.25 bags

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Let f(x)=x^2-5x-36.
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Answer:

9 and -4

Step-by-step explanation:

Find two numbers that multiply to be -36 and add to be -5.

That is -9 and 4.

So the factored form of x^2-5x-36 is (x-9)(x+4)

So the x-intercepts are 9 and -4

8 0
3 years ago
What is the volume of a cone with a radius of 7cm and a height of 9cm
4vir4ik [10]

Answer:

volume of a cone = 461.58cm³

Step-by-step explanation:

to find the volume of a cone

given the radius of the cone = 7cm

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volume of a cone = 3.14 x 147

volume of a cone = 461.58cm³

therefore the volume of a cone whose radius is 7cm , height is 9cm is evaluated to be equals to 461.58cm³

7 0
3 years ago
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Vika [28.1K]

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The first option

Step-by-step explanation:

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3 years ago
How many hundredths in 4.97
Oksanka [162]
7 is in the hundredths place.
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Model B is wider Bc it’s 7.25 ft
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