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2 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]2 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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In science class the students were asked to create a container to hold an egg. They would then drop the container from a window

belka [17]

Answer:

It will take 1.25 seconds to reach the ground.

Step-by-step explanation:

The equation of the containers pathway can be modeled by the equation given below :

$h=-16t^2+25$

t is time in seconds

It is required to find the time taken by the container to reach the ground. When it reached ground, its height is equal to 0 such that,

$h=0\\\\-16t^2+25=0$

$-16t^2=25\\\\t=\sqrt{\dfrac{25}{16}} \\\\t=1.25\ s$

So, it will take 1.25 seconds to reach the ground.

5 0

2 years ago

Solve the equation 4=t/2.5 t=

julia-pushkina [17]

Answer:

10

Step-by-step explanation:

Multiply 4 by 2.5 to get 10

8 0

2 years ago

Read 2 more answers

1 Subtracting Fractions

antoniya [11.8K]

Step-by-step explanation:

The question is not properly structured but we can as well find the sum of 5/7 and 10 as shown;

$\frac{5}{7}+ \frac{10}{1} \\The \ LCM \ is \ 7\\\\= \frac{5(1)+10(7)}{7}\\\\= \frac{5+70}{7}\\\\= \frac{75}{7} \\\\= 10 \frac{5}{7}$

Hence the expression written in equivalent form of common denominator is $\frac{5 + 70}{7}$

The sum is $10 \frac{5}{7}$

8 0

2 years ago

2.) Solve 48 = -6<br>4.) Solve 4 + 3.5 = 12.5

3241004551 [841]

These aren't solvable.

5 0

3 years ago

I need help on Area plz

nydimaria [60]

Answer:139 cm squared

Step-by-step explanation:

First separate it:

10x3

7x7

4x15

These are the 3 rectangles that make up this shape

Then multiply

10x3=30

7x7=49

4x15=60

Then add your answers

30+49+60=139cm squared

8 0

2 years ago