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Over [174]
4 years ago
12

I need help with this

Mathematics
1 answer:
Softa [21]4 years ago
8 0
Nothing can be done with this question!
You might be interested in
A spinner has 10 ​equal-sized sections. Two of the sections are red.
hichkok12 [17]

Answer:

a. Probability of landing on red = \frac{1}{5}

b. <em>See Explanation</em>

Step-by-step explanation:

Given

A Spinner

Number of section = 10 (equal sized)

Number of red section = 2

Required

- Probability of landing on red

- Describe the probability in words

Calculating the probability of landing on red

The formula used in calculating probability is as follows

Probability = Number of required outcomes / Number of possible outcomes

In this case, the number of required outcomes is the number of red section.

Hence, number of required outcomes  = 2

And the number of possible outcomes is the total section of the spinner

Hence, Number of possible outcomes = 10

By Substitution

Probability of landing on red = \frac{2}{10}

Probability of landing on red = \frac{1}{5}

Describe the probability in words

From (a) above, we have that the probability of the spinner landing on color red is \frac{1}{5}

This means that, for every five times, you spin the spinner, it's likely that one of the outcomes will be red.

8 0
4 years ago
unos amigos compraron 1/2 de pizza hawaiana 2/4 de peperoni 1/2 de pollo y 3/4 de salchicha ¿cuanta pizza compraron en total?​
sveticcg [70]

Answer:

Los amigos compraron 2 pizzas más \frac{1}{4}

Step-by-step explanation:

Para conocer la cantidad de pizza que los amigos compraron en total, debes sumar la cantidad de cada clase que compraron:

\frac{1}{2} +\frac{2}{4} +\frac{1}{2} +\frac{3}{4}

Para sumar estos valores, debes encontrar un denominador común. Como 4 es múltiplo de 2, el 4 puede ser usado como denominador común. Este común denominador se divide entre el denominador de cada fracción. El resultado de la división se multiplica por el numerador de la misma fracción. Una vez que se divide y se multiplica, el resultado se coloca en el numerador. Realizando el mismo procedimiento con cada fracción y se realiza la suma con los numeradores que resultaron:

\frac{1}{2} +\frac{2}{4} +\frac{1}{2} +\frac{3}{4}=\frac{2+2+2+3}{4} =\frac{9}{4}

Siendo \frac{9}{4} =2.25=2\frac{1}{4}, entonces <u><em>los amigos compraron 2 pizzas más </em></u>\frac{1}{4}<u><em></em></u>

5 0
3 years ago
Help with these 4 questions
Vika [28.1K]

a. S_1 = \{1,2,3,4,5,6\}

b. S_2=\{A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z\}

c. S_3 = \{HH, HT, TH, TT\}

d. S_4 =\{1T,2T,3T,4T,5T,6T,1H,2H,3H,4H,5H,6H\}

Step-by-step explanation:

We will write the sample space of all options one by one.

<u>a. Rolling a 6 sided die</u>

As the die has six sides numbered from 1 to six then the sample space will be:

S_1 = \{1,2,3,4,5,6\}

<u>b. Guessing the first initial of a student's name:</u>

As the English language has 26 alphabets, the first initial can be any alphabet so the sample space will be all letters:

S_2=\{A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z\}

<u></u>

<u>c. Tossing two coins</u>

As two coins are tossed, the outcomes will be a combination of two outcomes

S_3 = \{HH, HT, TH, TT\}

<u>d. Rolling a 6 sided die and tossing a coin</u>

As the die is rolled and then a coin is tossed. The die's coin will either combine with heads or tails

So,

S_4 =\{1T,2T,3T,4T,5T,6T,1H,2H,3H,4H,5H,6H\}

Hence,

a. S_1 = \{1,2,3,4,5,6\}

b. S_2=\{A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z\}

c. S_3 = \{HH, HT, TH, TT\}

d. S_4 =\{1T,2T,3T,4T,5T,6T,1H,2H,3H,4H,5H,6H\}

Keywords: Sample Space, Probability

Learn more about sample space at:

  • brainly.com/question/11007026
  • brainly.com/question/11207748

#LearnwithBrainly

7 0
3 years ago
Find the area of the triangle having vertices p(1, 3), q(−1, 1), r(−3, 2).
dlinn [17]
See, pls, the offered decision, which consists of 2 ways: way1 based on vectors, way2 based on planimetry.

7 0
3 years ago
562 ÷ Choose... = 14 R2
Zolol [24]

Answer:

7868

Step-by-step explanation:

⇒ This can be written algebraically (with a variable <em>x</em>) as:

562 ÷ x = 14

⇒ Convert the division as a fraction:

\frac{562}{x} = 14

⇒ Multiply both sides by 562 to get rid of the fraction and to isolate the variable <em>x</em>:

562 · \frac{562}{x} = 14 · 562

⇒ Simplify:

x = 7868

<u>Answer:</u> 7868

<em></em>

<em>Hope this helps!</em> :)

4 0
3 years ago
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