3 years ago

Twice a number is between -3 and 12, inclusive. Find all numbers.

Mathematics

2 answers:

s344n2d4d5 [400]3 years ago

8 0

Answer:

4,2,6 those are all the numbers between 3 abd 12 have a nice day

kiruha [24]3 years ago

5 0

2,4,6 are the numbers

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Answer:

Here is your answer

Step-by-step explanation:

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3 years ago

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Find the lowest number divisible by 15, 20 & 25.

algol13

Answer:

300.

Step-by-step explanation:

This is the LCM.

15 = 3 * 5

20 = 2 * 2 * 5

25 = 5 * 5

One 5 appears in all 3 factors so we only use this once in the calculation:

LCM = 2 * 2 * 3 * 5* 5 = 300

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4 years ago

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3 years ago

Is 20 divided by 4 eaqual 5 remainder 1

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3 years ago

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Write an expression in simplest form for the perimeter of a right triangle with leg lengths of 3a cubed and 4a cubed

Over [174]

Answer:

106.4622 $a^{3}$

Step-by-step explanation:

Given the information:

A right triangle

Leg lengths of $(3a)^{3}$ and $(4a)^{3}$

Use the pytagon theory to find the hypotenuse of the triangle

$a^{2} + b^{2} = c^{2}$

<=> $((3a)^{3}) ^{2} + ((4a)^{3}) ^{2} = c^{2}$

<=> $(3a)^{6} + (4a)^{6} = c^{2}$

<=> $c^{2} = 4285a^{6}$

Take the square root of both sides

<=> c = 69.4622 $a^{3}$

=> expression in simplest form for the perimeter of a right triangle is:

$(3a)^{3}$ + $(4a)^{3}$ + 69.4622 $a^{3}$

= 27 $a^{3}$ + 64 $a^{3}$ + 69.4622 $a^{3}$

= 106.4622 $a^{3}$

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3 years ago