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SpyIntel [72]
3 years ago
13

Choose the number that is composite. A. 2 B. 21 C. 31 D. 17

Mathematics
1 answer:
Stella [2.4K]3 years ago
6 0
A composite number has more than two factors. (B) 21 is a composite number because the factors of 21 are 7 × 3.
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In a homicide case 6 different witnesses picked the same man from a line up. The line-up contained 5 men. If the identifications
Vedmedyk [2.9K]

Answer:

since we have 6 witnesses and 5 men so,

therefore the probability that they would pick the same man is \frac{5}{6} =0.83333 to 5 decimal places

Step-by-step explanation:

probability is the likelihood of an event occurring or not happening.

6 0
3 years ago
Find the equation of the line that passes through the given points
uranmaximum [27]
First you need to figure out the slope:
y2-y1/x2-x1=(1+5)/(-5-7)=-1/2

y+5=-1/2(x-7)
y=-1/2x-3/2
6 0
3 years ago
Set up a rational equation and then solve the following problems. A positive integer is twice another. The difference of the rec
kupik [55]

Answer:

9 and 18

Step-by-step explanation:

2x and x are the numbers

1/x-1/2x=1/18

2/2x-1/2x=1/18

1/2x=1/18

2x=18X=9,

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The two integers are 9 and 18

3 0
3 years ago
The lines on a 2-cup liquid measuring cup divide each cup into eighths. If you measure 1 3/4 cups of water, between which two qu
masya89 [10]

Answer:

1 3/4 cups is between the 13th and 15th lines from the bottom.

Step-by-step explanation:

The bottom of the cup has no line and corresponds to 0 eights.

1st line up: 1/8 cup  

2nd line up: 2/8 cup    this is also called 1/4 cup

3rd line up: 3/8 cup

4th line up: 4/8 cup     this is also called 1/2 cup

5th line up: 5/8 cup

6th line up: 6/8 cup     this is also called 3/4 cup

7th line up: 7/8 cup

8th line up: 8/8 cup     this is also called 1 cup

9th line up: 9/8 cup

10th line up: 10/8 cup    this is also called 1 1/4 cup

11th line up: 1 3/8 cup

12th line up: 1 4/8 cup     this is also called 1 1/2 cup

13th line up: 1 5/8 cup

14th line up: 1 6/8 cup    this is also called 1 3/4 cup

15th line up: 1 7/8 cup

16th line up: 1 8/8 cup    this is also called 2 cups

1 3/4 cups is between the 13th and 15th lines from the bottom.

7 0
3 years ago
I don't know how to do this math problem-
kifflom [539]

Answer:

cool thats nice

Step-by-step explanation:

8 0
3 years ago
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