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marishachu [46]
3 years ago
15

An integer greater than 1 that is not prime is called composite. if the two-digit integer n is greater than 20, is n composite?

Mathematics
1 answer:
Alika [10]3 years ago
8 0
It might be composite or prime
eg 21 is composite and 23 is prime.
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The minute hand of a clock is six (6) inches long. a. How far does the tip of the minute hand move in 24 hours? Write your answe
kompoz [17]

Answer:

The tip of the minute hand move in 24 hours is 150.85 inches.

Step-by-step explanation:

Given : The minute hand of a clock is six (6) inches long.

To find : How far does the tip of the minute hand move in 24 hours?

Solution :

We know that,

1 hour = 60 minute

24 hour = 24\times 60=1440

The angle form is \theta=1440.

The radius is r=6 inches

Using length of arc formula,

l=2\pi r\times \frac{\theta}{360}

l=2\times \frac{22}{7}\times 6\times \frac{1440}{360}

l=2\times \frac{22}{7}\times 6\times 4

l=150.85

Therefore, the tip of the minute hand move in 24 hours is 150.85 inches.

8 0
3 years ago
Examine the figure. What is the measure of angle b?
bija089 [108]

B = 180-31

B = 149

Answer: 149

8 0
3 years ago
Please help me find the area of the composite figure :)
kykrilka [37]
Find the area of both shapes in the composite figure and add them together.

A of rectangle is 6 x 12
= 72

A of triangle is 1/2 x 8 x 5
=20

Add them together to get 92 inches^2

Hope this helps!!
6 0
3 years ago
Ryan and Sarah collect baseball cards. Ryan has 150 baseball cards and collects 10 cards per week. Sarah has 233 baseball cards
ICE Princess25 [194]

Answer:

About 17 weeks

Step-by-step explanation:

Given

Ryan:

Initial = 150

<em />Additional = 10<em> (weekly)</em>

Sarah:

Initial = 233

Additional = 5 (weekly)

Required

Determine the number of weeks they have the same cards

Represent the number of weeks with w:

For Both individuals, number of card at any given week is:

Initial + Additional * w

So,

For Ryan, the expression is:

150 + 10 * w

150 + 10w

For Sarah, the expression is:

233 + 5 * w

233 + 5 w

To determine the number of weeks, we have to equate both equations:

150 + 10w= 233 + 5 w

Collect Like Terms

10w - 5w = 233 - 150

5w = 83

Solve for w

w = 83/5

w = 16.6

16.6 implies about 17 weeks, because 16.6 approximates to 17

<em>Conclusively, Ryan and Sarah will have the same number of balls in about 17 weeks</em>

5 0
3 years ago
2(x+4) = 12 find the value of x i need help plz
saveliy_v [14]

Answer:

x = 2

Step-by-step explanation:

2(x+4)=12

2x+8=12........multiplying each number in the bracket by 2

2x = 12-8

2x = 4...... dividing both sides by 2

x = 2

6 0
3 years ago
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