2 years ago

Rewrite 1 3/4 using twentieths

Mathematics

1 answer:

Evgesh-ka [11]2 years ago

4 0

The correct answer is 29/20

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Hatshy [7]

Answer:

20.5 : 61.5

Step-by-step explanation:

1:3

1 + 3 = 4

82 ÷ 4 = 20.5

ratio of 1:3

1 × 20.5 = 20.5

3 × 20.5 = 61.5

20.5 : 61.5

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2 years ago

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Evaluate this expression <img src="https://tex.z-dn.net/?f=8%5E%7B-2%7D" id="TexFormula1" title="8^{-2}" alt="8^{-2}" a

shepuryov [24]

Answer:

0.015625

Step-by-step explanation:

Rule: $a^{-n} = \dfrac{1}{a^n}$

$8^{-2} = \dfrac{1}{8^2} = \dfrac{1}{64} = 0.015625$

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3 years ago

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The volume of a right circular cylinder is 1100 cm3 and the radius of its base is 5 cm. Calculate its curved surface area.

Scorpion4ik [409]

Answer:

Step-by-step explanation:

Volume:

V = πr²h

Given r = 5 cm and V = 110 cm³, find h:

1100 = π(5²)h
1100/25 = πh
44 = πh

Curved surface area:

S = 2πrh = 2*5*πh = 10*44 = 440 cm²

Correct choice is C

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2 years ago

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Rewrite 4.86 x 10^12 in decimal notation. help pleaseee

UkoKoshka [18]

Answer:

second one down

4 860 000 000 000

Step-by-step explanation:

count out 12 zeros after the 4 and you will find the one in decimal notation

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(07.06)Number line with open circle on 9 and shading to the left. Which of the following inequalities best represents the graph

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X < 9 open circle means no line under it and to the left means the arrow is facing the right

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