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4 years ago

Which sequences are geometric? Check all that apply.

Mathematics

1 answer:

9966 [12]4 years ago

3 0

Answer:

Option 2 and option 5

Step-by-step explanation:

Option 2 because the common ratio of the sequence is dividing to half each element.

Option 5 because the common ratio is dividing by 5.

Remember that geometrical sequences are those where the common ratio is multiplying or dividing.

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X = [?]

Alexxandr [17]

Answer: x = 21

Explanation:

3x + 18 + 4x + 15 = 180

7x + 33 = 180
7x = 180 - 33
7x = 147
x = 21

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3 years ago

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3 years ago

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Using this formula l=A 1/2 what is the length of one side of a square with an area of 1,936 square kilometers? (A is the area of

Vera_Pavlovna [14]

c.)44 kilometers

Answer:

Solution given:

let

length =L

and

Area =A

Now

we have

Area [A]=1936 square kilometers

now

As we know that

Area of square :length *length

A=l*l

A=l²

Substituting value of A

1936=l²

doing square root on both side

$\sqrt{1936}=\sqrt{l²}$

we get

l= $\sqrt{2*2*2*2*11*11}$

l=2*2*11

l=44 kilometers

the length of one side of a square is 44 kilometers.

6 0

3 years ago

A fish tank holds 832 gallons but is leaking at a rate of 5 gallons per week. A second fish tank hose 1040 gallons but is leakin

OverLord2011 [107]

Answer:

Within 52 weeks, the amount of water in the two fish tanks will be the same.

Step-by-step explanation:

First, let's make the two equations equal to each other by placing an equal sign.

832 - 5x = 1040 - 9x

Now, that they are equal to each other, we can solve for x.

Okay, so we can move -5x to the other side by adding both sides with 5x.

832 = 1040 - 4x

Then, subtract 1040 from both sides to move it to the other side.

832 - 1040 = -208

-208 = -4x

Lastly, divide both sides by -4 to get the value of x.

-208/-4 = 52

x = 52

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3 years ago

A school is organizing a cookout where

mariarad [96]

Answer:

108

Step-by-step explanation

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4 years ago