PLEASE ITS URGENT !!! WILL GIVE THE BRAINLIEST!!!!

Mathematics

1 answer:

prohojiy [21]3 years ago

6 0

Answer:

what is it

Step-by-step explanation:

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What is 16.403 round to the nearest tenth?

Doss [256]

Well, since there is a 0 in the hundredths place, the 4 in the tenths place would stay the same! Ignore the 3.
Your answer:16.4
I hope this helps!

4 0

3 years ago

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The volume of a sphere is 2,098 pi m^3 what is the surface area of the sphere to the nearest tenth?

Karo-lina-s [1.5K]

Answer:

3139.5 m²

Step-by-step explanation:

the formula for the volume of a sphere of radius r is V = (4/3)πr³. In this particular case, V = 2098π m³ = (4/3)πr³, and from this we can calculate the radius, r:

2098π m³

r³ = ----------------- = (3/4)(2098 = 1483/5

(4/3)π

Thus r = ∛1573.5 m³ = 11.64 m

Then the surface area is A = 4πr², which in this case is

A = 4(3.14159)(11.64 m)^2 = 1702.6 m² (which is to the nearest tenth).

8 0

3 years ago

A pencil and a ruler cost 2.50 together. The ruler costs $1.00 more than the pencil. How much is the pencil

Alenkasestr [34]

P + r = 2.50
r = p + 1

p + p + 1 = 2.50
2p + 1 = 2.50
2p = 2.50 - 1
2p = 1.50
p = 1.50/2
p = 0.75 <=== pencil cost 75 cents

r = p + 1
r = 0.75 + 1
r = 1.75 .....ruler cost 1.75

6 0

3 years ago

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Can two fractions with the same numerator and different denominators be equal?

Ede4ka [16]

Answer:

Step-by-step explanation:

You can only have the same denominator

Example:

2 3 5

- + - = -

9 9 9