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Lelechka [254]
3 years ago
11

Zad 2 str 18 podręcznik klasa 5 część 2

Mathematics
2 answers:
maksim [4K]3 years ago
8 0

answer:

this is not exactly a question, it is a statement

step-by-step explanation:

  • i translated this and its something like "croup 2 page 18 textbook grade 5 part 2"
  • not sure exactly what that means, but try to say it in english or put a picture of it
Nady [450]3 years ago
7 0
Can you ask the question on English? That way I can help you!
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How do u work this problem out
charle [14.2K]
Okay what problem is it that you need help with??
4 0
3 years ago
a yard width is 2 less than it's length. If the perimeter of the yard is 20 feet determine the length and the width of the yard
Arte-miy333 [17]

Answer:

The length is 6 feet and the width is 4 feet

Step-by-step explanation:

Let x represent the length of the yard

The width can be represented by x - 2, since it is 2 less than the length.

Use the perimeter formula, P = 2l + 2w, where l is the length and w is width

Plug in the expressions and perimeter:

20 = 2x + 2(x - 2)

Solve for x:

20 = 2x + 2x - 4

20 = 4x - 4

24 = 4x

6 = x

So, the length is 6. Plug this into x - 2 to find the width

x - 2

6 - 2

= 4

So, the length is 6 feet and the width is 4 feet

5 0
3 years ago
En un examen calificado del 0 al 10, 3 personas obtuvieron 5 de nota, 5 personas obtuvieron 4 de nota, y 2 personas obtuvieron 3
Nastasia [14]

Answer:

Media = 4.1

Mediana = 4

Moda = 4

Step-by-step explanation:

3 personas obtuvieron 5 puntos

5 personas obtuvieron 4 puntos

2 personas lograron 3 puntos

a. La media se da como:

Media = suma total de marcas / número de personas

Por lo tanto, la media será:

M = \frac{((3 * 5) + (5 * 4) + (2 * 3)}{10}\\ \\M = \frac{15 + 20 + 6}{10} \\\\M = \frac{41}{10}\\ \\M = 4.1

b. Para obtener la mediana, tenemos que organizar los términos en consecuencia y encontrar el número en el medio.

3, 3, 4, 4, 4, 4, 4, 5, 5, 5

Como no hay un número único en el medio, la mediana es:

(4 + 4) / 2 = 8/2 = 4

c. La moda es el número que aparece más, y eso es 4

8 0
3 years ago
Triangle ABC is similar to triangle DEF.
amid [387]

Answer:

1.5

Step-by-step explanation:

12 / 8 = 1.5

8 0
2 years ago
Convert 2000 ft./min. to miles per hour round to the nearest 10th
Serggg [28]

Answer:

The conversion of 2000 ft per min into miles per hour is 2.268 miles per hour .

Step-by-step explanation:

Given as :

The speed = s = 2000 ft per min

Now, ∵ 5280 feet = 1 miles

so, 1 feet = \dfrac{1}{5280} miles

∴ 2000 feet =  \dfrac{1}{5280} × 2000 miles

i.e 2000 feet = 0.378 miles

<u>Again</u>

∵ 1 minute = \dfrac{1}{60} hour

So, The speed in miles per hour

s = \dfrac{distance}{time}

∴ s = \frac{0.378}{\frac{1}{60}}

i.e s = 2.268 miles per hour

Hence, The conversion of 2000 ft per min into miles per hour is 2.268 miles per hour . answer

8 0
3 years ago
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