2 years ago

How to solve this problem?

Mathematics

1 answer:

Rus_ich [418]2 years ago

5 0

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What is the simplified form of –9m–2n5 × 2m–3n–6?

maxonik [38]

Your answer would be -18m-6n-30

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3 years ago

What is the missing reason for the 3rd step in the proof below?

Firlakuza [10]

Answer: B

Step-by-step explanation:

Because m<7 and m<6 share a vertex and doesn’t share any common sides and they are across from each other which means they are vertical and vertical angles are congruent

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2 years ago

If you roll a 6-sided die 4 times, what is the probability of one roll being a multiple of 3? A)2/3 B)16/81 C)145/1296 D)65/81 E

DerKrebs [107]

Answer:

671/1296

The probability of rolling at least one six is therefore 1 − 625/1296 = 671/1296 ≈ . 517.

Step-by-step explanation:

4 0

2 years ago

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Question 1: find the volume of a cube whose total surface area is 486cm^2

lapo4ka [179]

<h3>The volume of cube is 729 cubic centimeter</h3>

Solution:

The surface area of cube is given as:

$Surface\ area = 6a^2$

Where, "a" is the length of side of cube

Given that, surface area = 486 square centimeter

$486 = 6a^2\\\\a^2 = \frac{486}{6}\\\\a^2 = 81\\\\a = 9$

Find the volume of cube:

$volume\ of\ cube = a^3\\\\volume\ of\ cube = 9^3\\\\volume\ of\ cube = 9 \times 9 \times 9\\\\volume\ of\ cube = 729$

Thus volume of cube is 729 cubic centimeter

8 0

2 years ago

Iv) a) 4x 10² solve it in decimal

qwelly [4]

40.0*10 is the answer

actually it is 400 but u want in decimal so it is 40.0*10

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2 years ago

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