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3 years ago

362,031,100 km as standard form

Mathematics

1 answer:

Alex777 [14]3 years ago

6 0

300,000,000+60,000,000+2,000,000+31,000+1000+100

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The ratio of plates to napkins is 3:12. Write the ratio in simplest form

PIT_PIT [208]

The ratio to its simple form is 1 to 4 or1:4

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4 years ago

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Please find the VOLUME of this figure... Write the formula and plug in the values... Write your answer with units and box your a

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Answer:

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4 years ago

Can someone help me to solve this number 9?

horsena [70]

I will say 1 block is 1 something okay cause I don’t have a key mini has an area of 2 (2x2=4/2=2) And the giant has an area of 32 (8x8=64/2=32) I don’t know if the small one became big or the big one became small so if the small to big is 16 big to small is 0.0625 or the numbers the other way around

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3 years ago

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Elijah wants to know the cross-sectional area of the circular pipe. He measures the diameter which he finds, to the nearest mill

Tanya [424]

Answer:

The area is 0.002m² to 3 dp

Step-by-step explanation:

This problem bothers on the mensuration of flat shapes(I.e cross sectional area of pipe ) , this time the a circle.

It requires us to look for the area of the shape

Given data

Diameter d = 5cm

Converting to mm = 5/100= 0.05m

Radius of circle r=d/2=0.05/2 =0.025mm

Given the area of the circle

A=πr²

A=3.14*0.025²

A=0.0019m²

To 3 dp we have area as 0.002m²

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3 years ago

A 30 foot ladder needs to reach 18 feet high against a building. What would the approximate angle of elevation be from the groun

yaroslaw [1]

Answer: The angle of elevation would be 36.87 degrees (approximately)

Step-by-step explanation: Please refer to the attached diagram for details

The 30-foot ladder reaches a point in the building which is point A. The height at which the ladder touches the building is 18 feet (that is, the height of the building, line AC. The angle of elevation from the ground is at angle B, the angle which the ladder forms with the ground.

So we have a right angled triangle ABC, with two sides and a reference angle B. To find angle B, we shall apply the trigonometric ratio;

SinB = opposite/hypotenuse

SinB = 18/30

SinB = 0.6

By use of a calculator or table of values

B = 36.8698

Approximately, angle B = 36.87 degrees

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3 years ago