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3 years ago

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Yuki´s guppies have begun to have babies . She started with 5 guppies. One week later,yuki counted twice as many guppies in the

fish tank.Each week afterwards, the number of guppies doubled . In how many weeks did yuki have 160 guppies ?

1 answer:

Sati [7]3 years ago

8 0

Answer:6 weeks

Step-by-step explanation: 5, 10, 20, 40, 80, 160

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If you could help me with this it would be greatly appreciated!

Ierofanga [76]

Here is your answer

B. $\sqrt{81}$

C. 9

REASON:

Let the side of square be a feet

Area of square = ${a}^{2}$

so,

${a}^{2}= 81$

$a= \sqrt{81}$

$a= 9 feet$

HOPE IT IS USEFUL

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3 years ago

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AURORKA [14]

y = a(1-r)^×

source: https://mathbitsnotebook.com/Algebra2/Exponential/EXGrowthDecay.html

y = exponential decay

a = initial amount = 78000

r = decay rate = .03

x = number of time intervals = w

Error:

b = growth/ decay factor

b = 1+r for growth

b = 1-r for decay

x = w per the above information

Sarah did not account for either of these points when creating her equation.

Correct solution:

y = 78000 (1-.03)^w

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3 years ago

Please help I will mark brainliest

anzhelika [568]

Answer:

1 55

2 130

3 15

Step-by-step explanation:

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3 years ago

A rectangular prism with a volume of 44 cubic units is filled with cubes with side lengths of 1/3 unit How many 1/3 unit cubes d

pickupchik [31]

Check the picture below.

so the volume of the smaller cube will just be (1/3)³.

how many of those cubes will take to fill up the larger cube?

namely

how many times does (1/3)³ go into 44?

$\bf \left( \cfrac{1}{3} \right)^3\implies \cfrac{1^3}{3^3}\implies \cfrac{1}{27}\impliedby \textit{volume of the smaller cube} \\\\\\ 44\div \cfrac{1}{27}\implies \cfrac{44}{1}\div \cfrac{1}{27}\implies \cfrac{44}{1}\cdot \cfrac{27}{1}\implies 1188$

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3 years ago

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Find the slope of the line that passes through the points (2, 4) and (6, 12)

Aleks [24]

The answer is 2.

The formula for slop is y2-y1/x2-x1
Using this formula we get 12-4/6-2 or 8/4 which simplifies to 2.

Hope this helps!

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3 years ago

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