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kondor19780726 [428]
3 years ago
12

Which equation could be used to solve the question below?

Mathematics
2 answers:
Digiron [165]3 years ago
7 0
I’m pretty sure the answer is D
taurus [48]3 years ago
5 0

Answer:

I would say D

Step-by-step explanation:

Cus, in order to find total of crazy straw, is S x 8

After finding the total he divides it in 2

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Is 8.99 a rational number
Viefleur [7K]
No it is undefined when the number reaches to zero.
5 0
3 years ago
A bicycle lock has a four-digit code. The possible digits, 0 What is the probability that the lock code will begin with
nika2105 [10]

Answer:

0.1-0.6

Step-by-step explanation:

First let's find the number of the elements in the sample space, that is the total number of codes that can be produced.

The first digit is any of {0, 1, 2...,9}, that is 10 possibilities

the second digit is any of the remaining 9, after having picked one. 

and so on...

so in total there are 10*9*8*7 = 5040 codes.

a. What is the probability that the lock code will begin with 5?

Lets fix the first number as 5. Then there are 9 possibilities for the second digit, 8 for the third on and 7 for the last digit.

Thus, there are 1*9*8*7=504 codes which start with 5.

so 

P(first digit is five)=

b. What is the probability that the lock code will not contain the number 0? 

from the set {0, 1, 2...., } we exclude 0, and we are left with {1, 2, ...9}

from which we can form in total 9*8*7*6 codes which do not contain 0.

P(codes without 0)=n(codes without 0)/n(all codes)=(9*8*7*6)/(10*9*8*7)=6/10=0.6

Answer:

0.1 ; 0.6

8 0
2 years ago
Read 2 more answers
En una progresion geometrica el primer termino es 4 ¿ cual debe de ser la razon para que la suma de sus infinitos sea 5?
dem82 [27]

Respuesta:

La proporción común del término puede ser 1/5

Explicación paso a paso:

La fórmula para calcular la suma al infinito de una secuencia geométrica se expresa como:

Sinfty = a / 1-r

Dado

Sinfty = 5

Primer término a = 4

Requerido

Razón común r

Sustituir

5 = 4/1-r

5 (1-r) = 4

5-5r = 4

-5r = 4-5

-5r = -1

r = 1/5

Esto significa que la razón común debe ser 1/5 para que la suma hasta el infinito sea 5

3 0
2 years ago
(18)-(4-2)x 2<br><br> Plz help
Verdich [7]

Answer:

so first u do (4-2) which is 2

then minus 18 from 2 which is 16

then u multiply by 2 which is 32

therefore the answer is 32

5 0
3 years ago
Read 2 more answers
A, B and C lie on a straight line.
horsena [70]
Here you go, i added a bit of explanation as to why i used the numbers to help you understand the method :)

6 0
2 years ago
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