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inn [45]
3 years ago
8

Who runs the race faster?

Mathematics
1 answer:
Troyanec [42]3 years ago
6 0

Answer:

Hector

Step-by-step explanation:

Hector is running 2.57, which is less/faster then 2.63

have a nice day :3

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What is the radius of a cylinder with a volume of 3,165.12 cubic centimeters and a height of 7 centimeters?
leonid [27]

Answer:

Radius = 12 cm

Step-by-step explanation:

Given:

Volume of the cylinder is, V=3165.12 cm³

Height of the cylinder, h= 7 cm

Let the radius be r

Using the formula for volume of cylinder,

V=\pi r^2h

Plug in 3165.12 for V, 7 for h and solve for r.

3165.12=\pi r^2(7)\\3165.12=\frac{22}{7}\times 7\times r^2\\3165.12=22r^2\\r^2=\frac{3165.12}{22}\\r^2=143.869\\r=\sqrt{143.869}=11.99\approx=12\textrm{ cm}

Therefore, the radius of the cylinder is nearly 12 cm.

7 0
3 years ago
A snow plough has a 3.2m blade set at an angle of 30 degrees How wide a path will the snow plough clear
snow_tiger [21]

Answer:

1.6m

Step-by-step explanation:

The length of the blade is 3.2m

The angle which the blade makes is 30°

Assuming the path of the blade and the length it covers is a right-angled triangle,

The length of the blade is the hypothenus while the path at which it clears is the opposite of the triangle.

See attached document for better illustration.

Using SOHCAHTOA,

Sinθ = opposite / hypothenus

opposite = x

hypothenus = 3.2

θ = 30°

Sin30 = x / 3.2

X = 3.2sin30

X = 3.2 × 0.5

X = 1.6m

The path which the snow plough clears is 1.6m

6 0
3 years ago
Help me please I only have 5 mins left
Ivahew [28]

Answer:

A.5

B.16

C.11

D.3

E.5

Step-by-step explanation:

6 0
3 years ago
There is a bag with 50 popsicles inside. 5
Mkey [24]

Answer: \frac{6}{25}

In this case, we're asked to pick one of 12 blue popsicles out of a bag of 50 – from this, we can just write that the probability of picking a blue popsicle is 12/50. Simplifying this, we can divide both the numerator and denominator by 2 to get our final answer of  \frac{6}{25}

Hope this helped you!

Step-by-step explanation:

5 0
3 years ago
John used 3.75 gallons of paint to cover 431.25 square feet of wall. How much wall did he cover with each gallon?
Basile [38]
115 square feet per gallon.
5 0
3 years ago
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