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OLEGan [10]
3 years ago
5

Wolontariusze przygotowali dla zespołu medycznego 20 koszyczków wielkanocnych w podziękowaniu za ich trud. Do każdego koszyczka

włożyli po 3 jajka, po dwie czekolady i po 3 ciasteczka. Ile ciastek, czekolad a ile jajek musieli przygotować wolontariusze? PROSZE O SZYBKĄ ODPOWIEDŹ
Mathematics
1 answer:
meriva3 years ago
3 0

Answer:

60 eggs, 40 chocolates and 60 cookies

Step-by-step explanation:

<u><em>The question in English is</em></u>

The volunteers prepared 20 Easter baskets for the medical team to thank them for their efforts. They put 3 eggs, two chocolates and 3 cookies in each basket. How many cookies, chocolates and eggs did the volunteers have to prepare? PLEASE RESPOND QUICKLY.

Let

x ----> the total number of eggs

y ----> the total number of chocolates

z ----> the total number of cookies

we know that

The total amount of cookies, chocolates and eggs the volunteers had to prepare is given by the following expression:

Multiply the amount in each basket by the total baskets

x=3(20)=60\ eggs\\y=2(20)=40\ chocolates\\z=3(20)=60\ cookies

therefore

60 eggs, 40 chocolates and 60 cookies

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two wheels are rolled simultaneously. The radius of the smaller wheel is r feet and the radius of the larger wheel 2r feet. If b
Nuetrik [128]
The circumference of a circle is C=2πR, where R is the radius of the circle and π≈3.14.

So if we open the circumference of the circle into a straight line segment, the length of this segment is C=2πR≈2*3.14*R=6.28R

4 rotations mean 4 circumferences that is 4 segments of length 6.28R, 
which makes a linear distance of 4*6.28R=25.12R


i: the radius of the smaller wheel is R=r, thus it covers a distance of 25.12r feet

ii: the radius of the smaller wheel is R=2r, thus it covers a distance of  25.12*2r=50.24r (feet)

50.24r is twice 25.12r, thus the larger wheel traveled Twice the distance of the smaller one.


Answer: the larger covered twice the distance of the smaller.
6 0
3 years ago
If x+4/4 = y+7/7 then x/4=___
muminat
Please, enclose those binomials x+4 and y+7 inside parentheses:

(x+4) / 4 = (y+7) / 7.  Find (x/4).

Let's solve the above equation for x:

x+4 = 4(y+7)/7.  Then x = 4(y+7) / 7   -   4

Last, divide all 3 terms by 4:            x/4 = (y+7) / 7 - 1   (answer)
                                                         
                                                      y + 7 - 7
You could also type this as x/4 = ------------- = y/7
                                                           7
4 0
2 years ago
I will mark brainliest but please help I don’t get this question...
ElenaW [278]
The slope is 1/4......
5 0
2 years ago
Abraham has visited country somebody he has a cold or visiting at least 50 countries he plans to choose a school by visiting fiv
Ipatiy [6.2K]

<em>Question:</em>

<em>Abraham has visited at least 50 countries; he plans to visit five new countries per year (Y) for the next several years. Which inequality and solution shows the amount of years they will take for Abraham to meet his goal.</em>

Answer:

Countries \geq 50 + 5y

y \leq 29

Step-by-step explanation:

Given

Countries = 50 ------ at least

Yearly =5

Required

Represent as an inequality

"at least" means \geq

So the countries he has visited can be represented as thus;

Countries \geq 50

If

1 year = 5 countries

y years would be 5y countries

So, in y years; he'd have visited

Countries \geq 50 + 5y

To determine the value of y.

We have that

Countries = 195 <em>in the world</em>

<em>Substitute 195 for Countries</em>

195 \geq 50 + 5y

<em>Collect Like Terms</em>

195 - 50 \geq 5y

145 \geq 5y

<em>Divide through by 5</em>

145/5 \geq y

29 \geq y

<em>Reorder</em>

y \leq 29

This means that; he'll visit all countries in at most 29 years' time

3 0
3 years ago
For the polynomial 17x2 – x: (3 marks)
Sladkaya [172]

Answer:

See below

Step-by-step explanation:

Given polynomial is: 17x^2 - x

a. Terms: 17x^2, \: \&\: - x

b. 17 and - 1

c. Binomial or quadratic polynomial

7 0
3 years ago
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