3 years ago

PLEASE HELLP ME! I would appreciate if you can!!

Mathematics

1 answer:

S_A_V [24]3 years ago

3 0

Answer:

(2) A

Step-by-step explanation: easy Math

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Nth term of term 5 10 15 20 25

nekit [7.7K]

Answer:

Step-by-step explanation:

The sequence is a list of multiples of 5, starting with 5×1. The n-th multiple is 5n.

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4 years ago

There are 278 math and science books. 128 of them are math books. How many science books are there?

Brrunno [24]

Answer:

150

Step-by-step explanation:

278-128=150

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3 years ago

What is the volume of a spear that has a diameter of 42 cm.

mash [69]

$R-the\ radius\ of\ the\ sphere\\\\the\ volume\ of\ the\ sphere:V=\frac{4}{3}\pi R^3\\the\ diameter=2R\ therefore\ R=42:2=21\ (cm)\\\\V=\frac{4}{3}\pi\cdot21^3=\frac{4}{3}\pi\cdot9,261=4\cdot3,087\pi=12,348\pi\\\\=12,348\cdot3.14\approx\boxed{38,772.72\ (cm^3)}$