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Snezhnost [94]
3 years ago
13

Jaylin has a bag of 120 marbles. He gave Aaron 1/4 of his marbles, he gave his brother 10 marbles and his sister got 1/5 of his

marbles. Explain in writing (typing) how to find the number of marbles each person received and how many marbles Jaylin has left.
Mathematics
1 answer:
Rudik [331]3 years ago
3 0

Answer:

1/4

Step-by-step explanation:

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Consider the sequence: 3, 8, 13, 18, 23, ...The recursive formula for this sequence is:an = an-1 + 5In a COMPLETE sentence, expl
Akimi4 [234]

Answer:

a_8=38

Step-by-step explanation:

<u>Recursive sequence </u>

In a recursive sequence formula, each term a_n is computed as a function of one or more previous terms. In the formula

a_n=a_{n-1}+5

n is the number of the term we want to calculate. If n=8, then the formula becomes

a_8=a_{7}+5

We can see a_{n-1} is the previous term. It means we need a_7 to be able to compute a_8. But we also need a_6 to compute a_7 and so on until some known data is reached. The question provides five terms, a_5=23.

a_6=a_5+5=28

a_7=a_6+5=33

a_8=a_7+5=38

a_8=38

4 0
3 years ago
Find the probability of selecting none of the correct six integers in a lottery, where the order in which these integers are sel
serious [3.7K]

Complete Questions:

Find the probability of selecting none of the correct six integers in a lottery, where the order in which these integers are selected does not matter, from the positive integers not exceeding the given integers.

a. 40

b. 48

c. 56

d. 64

Answer:

a. 0.35

b. 0.43

c. 0.49

d. 0.54

Step-by-step explanation:

(a)

The objective is to find the probability of selecting none of the correct six integers from the positive integers not exceeding 40.  

Let s be the sample space of all integer not exceeding 40.

The total number of ways to select 6 numbers from 40 is |S| = C(40,6).

Let E be the event of selecting none of the correct six integers.

The total number of ways to select the 6 incorrect numbers from 34 numbers is:

|E| = C(34,6)

Thus, the probability of selecting none of the correct six integers, when the order in which they are selected does rot matter is  

P(E) = \frac{|E|}{|S|}

         = \frac{C(34, 6)}{C(40, 6)}\\\\= \frac{1344904}{3838380}\\\\=0.35

Therefore, the probability is 0.35

Check the attached files for additionals  

8 0
3 years ago
Spencer bought a soccer ball for $9. 95 and z baseballs for $2. 99 each. Which of the following expressions shows the total amou
Elan Coil [88]

Answer:

9.95 + 2.99z

Step-by-step explanation:

9.95 + 2.99z

6 0
2 years ago
What is the most accurate name for the polygon shown in the figure
frutty [35]
Irregular hexagon/polygon
8 0
3 years ago
Can someone pls help me . Thank you .
Pavel [41]
Answer:
1). 24
2). 8

Explanation:
1).

285$ - 45$ = 240$
240$/10 = 24$

Therefore, he pays 24$ a month.

2).
Let x be the number than triple:

3x - 5 = 19
3x = 19 + 5
3x = 24
x = 24/3
x = 8
5 0
3 years ago
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