3 years ago

Divide. 2/7 divided by 1/3

Mathematics

1 answer:

Allushta [10]3 years ago

7 0

Answer:

The answer to the question provided is $\frac{6}{7}$ .

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Find the value of y.

Leno4ka [110]

Answer:

$\sqrt{55}$

Step-by-step explanation:

Based off of what we do know, if we can find length DB we can use the pythagorous theorem (I will be assigning the variable z)

$x^{2} =36+z^{2} \\\\y^{2}=25+z^2\\\\x^{2} +y^2=121\\\\$

First equation is for triangle ABD

Second is for BCD

And the last one is for ACD

Substitute $x^{2}$ and $y^2$

$36+z^2+25+z^2=121\\\\61+2z^2=121\\\\2z^2=60\\\\z^2=30\\\\z=\sqrt{30}$

As discovered before

$y^2=25+z^2\\\\y^2=25+30\\\\y^2=55\\\\y=\sqrt{55}$

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3 years ago

Ray wants to buy the larger of two aquariums. one aquarium has a base that is 20 inches by 20 inches and height that is 18 inche

Svetradugi [14.3K]

Ray should buy the first one because it has the greater volume by 1,440 square inches.
Tank 1: 20x20x18=7,200
Tank 2: 40x12x12=5,760
7,200-5,760=1,440

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3 years ago

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Is y = |x + 3| a linear function yes or noO

vekshin1

Answer:

Yes

Step-by-step explanation:

Because it passes vertical line test.

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What is the Coefficient in<br> 1/4 N + 15

olga_2 [115]

Answer:

1/4 N + 15

the coefficient is "n" it is a letter variable associated with a term

Step-by-step explanation:

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3 years ago

Each ride at the fair costs $2.50. Alex will spend at least $15 for rides. Write an inequality to determine the least number of

goblinko [34]

0<r<6
the least number of ride he can go on is 0 which is none and the most is 6 because 15/2.50=6

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3 years ago