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UNO [17]
3 years ago
5

How are real numbers used to describe real-world situations?

Mathematics
1 answer:
Alinara [238K]3 years ago
7 0
Real numbers are all the rational numbers such as -7 and 4/3 and all irrational numbers. Real numbers are used mainly in counting and are used in measurement which is always present in real-world situations. These numbers help us to quantify things around.
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How do i solve this?
bixtya [17]

Answer:

5.x^8.y^3

Step-by-step explanation:

15.x^10.y^5.z^2 ÷ 3.x^2.y^2.z^2

= 15/3. x^(10-2). y^(5-2). z^(2-2)

= 5.x^8.y^3.z^0

= 5.x^8.y^3

7 0
2 years ago
Y = -9<br> - 10x + 9 =-11
OlgaM077 [116]

Answer:

x = 2

Step-by-step explanation:

-10x + 9 = -11

-10x = -20

x = 2

7 0
3 years ago
Read 2 more answers
The perimeter of a triangle is 240 cm. The lengths of the sides are 3:4:5.Calculate the lengths of the longest and shortest side
Ugo [173]

Answer:

60cm and 100cm

Step-by-step explanation:

12 parts in total

240/12 is 20

each part is 20

3x20 is 60 and 5x20 is 100

7 0
2 years ago
The time it takes me to wash the dishes is uniformly distributed between 10 minutes and 15 minutes. What is the probability that
mario62 [17]

Answer:

The probability that washing dishes tonight will take me between 12 and 14 minutes is 0.1333.

Step-by-step explanation:

Let the random variable <em>X</em> represent the time it takes to wash the dishes.

The random variable <em>X</em> is uniformly distributed with parameters <em>a</em> = 10 minutes and <em>b</em> = 15 minutes.

The probability density function of <em>X</em> is as follows:

f_{X}(x)=\frac{1}{b-a};\ a

Compute the probability that washing dishes will take between 12 and 14 minutes as follows:

P(12\leq X\leq 14)=\int\limits^{12}_{14} {\frac{1}{15-10} \, dx

                           =\frac{1}{5}\int\limits^{12}_{14} {1} \, dx \\\\=\frac{1}{5}\times [x]^{14}_{12}\\\\=\frac{1}{15}\times [14-12]\\\\=\frac{2}{15}\\\\=0.1333

Thus, the probability that washing dishes tonight will take me between 12 and 14 minutes is 0.1333.

5 0
3 years ago
Perry makes 3 pounds of cookie dough. He separates the dough into 1/3 pound balls before cutting them. How many balls does he ha
PSYCHO15rus [73]
You have to divide 3 by 1/3 and you get 9. So he has 9 balls.

I hope this helps
8 0
3 years ago
Read 2 more answers
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