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Hatshy [7]
2 years ago
13

Name 3 types of rational numbers you can plot on a number line.

Mathematics
2 answers:
balu736 [363]2 years ago
5 0
Anything above zero anything negative from zero and 0 itself
adelina 88 [10]2 years ago
4 0

Answer:

  • Center of the number line (origin)
  • Positive rational numbers are marked on the right side of zero
  • Negative rational numbers are marked on the left side of the zero
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What number line represents the solution set for the inequality 3x < –9?
umka21 [38]
3x<-9
3x/3<-9/3
x<-3  or (-∞,-3).

Answer: (-∞,-3).
4 0
2 years ago
Read 2 more answers
Determine whether the normal sampling distribution can be used. The claim is p &lt; 0.015 and the sample size is n
Svetradugi [14.3K]

Complete Question

Determine whether the normal sampling distribution can be used. The claim is p < 0.015 and the sample size is n=150

Answer:

Normal sampling distribution can not be used

Step-by-step explanation:

From the question we are told that

    The  null hypothesis is  H_o  :  p =  0.015

     The  alternative hypothesis is    H_a  :  p  <  0.015

     

The  sample size is  n= 150

Generally in order to use  normal sampling distribution  

     The value  np  \ge  5

So  

         np =  0.015 * 150

         np =  2.25

Given that  np < 5   normal sampling distribution  can not be used

8 0
3 years ago
Evaluate the expression
lora16 [44]
The correct answer is B=4
5 0
2 years ago
The ratio of red marbles to blue marbles in a bag is 3:4 . If there are 42 marbles in the bag. how many marbles are red?
PolarNik [594]

Answer:

18 marbles

Step-by-step explanation:

Step 1

Express the fraction of each type of marble as a function of the total number of marbles as shown;

Let;

total marbles=x

red marbles=3/(3+4)=3/7x

blue marbles=4/7 x

But x=42 marbles

The total number of marbles for each type can be expressed as;

total number of red marbles=fraction of red marbles×total number of marbles

where;

fraction of red marbles=3/7 x

total number of marbles=42

replacing;

total number of red marbles=(3/7)×42=18 marbles

total number of blue marbles=fraction of blue marbles×total number of marbles

where;

fraction of blue marbles=4/7 x

total number of marbles=42

replacing;

total number of blue marbles=(4/7)×42=24 marbles

5 0
2 years ago
In a group of 33 high school students, 10 take French, 11 take Spanish, and 5 take both languages. How many students of group ta
lilavasa [31]

Answer:

7

Step-by-step explanation:

Add 10,11, and 5

10+11+5=26

subtract 26 from 33

33-26=7

6 0
2 years ago
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