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3 years ago

9

Leciały kaczki: jedna na przedzie, dwie za nią, jedna z tyłu, dwie przed nią,jedna pomiędzy dwiema i trzy pod rząd. Ile kaczek l

eciało?
Potrzebne na teraz !

1 answer:

balandron [24]3 years ago

7 0

I think its 8, if you count up all the ducks it's 7. But it's talking like it's counting the ducks in front,middle and behind a duck so 7+1=8.

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Calculate the area of a dart which hits the dartboard with a force of 10 N and pressure of 2000 N/cm^2

STALIN [3.7K]

Answer:

pressure=force/area

2000. ×area =10

area. =10/2000

area =0.005cm²

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3 years ago

Solve for the roots in simplest form using the quadratic formula:<br>4x2 – 12x = -5

Art [367]

Answer:

x=2.5&.5

Step-by-step explanation:

The quadratic formula is (-b+or-sqrt(b^2-4ac)/2a

12+or-sqrt((-12^2)-4(4)(5))

12+or-sqrt(144-80)

12+or-sqrt(64)

(12+8)/8 and (12-8)/8

x=2.5 and x=.5

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3 years ago

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Reference attached image for the problem.Please show your work for finding the partial area.

-Dominant- [34]

To find the area of a sector of a circle use the next formula:

$A=\frac{\theta}{360º}*\pi *r^2$

As the given circle has a outside angle 90º (it is not part of the sector of the circle) subtract the 90º from 360º (total angle of a circle) to find the angle of the sector:

$\theta=360º-90º=270º$

Find the area of the sector with angle 270º:

$\begin{gathered} A=\frac{270º}{360º}*3.14*(11in)\placeholder{⬚}^2 \\ \\ A=0.75*3.14*121in^2 \\ \\ A=284.955in^2 \end{gathered}$ Then, the approximate area of the given sector of a circle is 284.955 square inches

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1 year ago

Nicola is multiplying 1/6 by 3/2<br> Use the drop-down menu to complete the statement

Over [174]

Greater than
1/6 x 3/2 = 1/4
1/4 > 1/6

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3 years ago

Suppose you are going to graph the data in the table below. What data should be represented on each axis, and what should the in

Brrunno [24]

Distance traveled should be on y axis
hours should be on x axis
increments should be 5

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3 years ago

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