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Annette [7]
3 years ago
6

Alicia wrote these numbers:2,9,15,21.which of Alicia numbers is not a composite number?

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
5 0
2 is a prime number

not composite

Thepotemich [5.8K]3 years ago
4 0
A number can either be composite or prime. The only prime number that you listed here is 2, because the only factors of 2 are 1 and itself. 
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Two cars that are 600km apart are moving towards each other. Their speeds differ by 6km per hour and the cars are 123km apart af
Marina CMI [18]

Answer: 56\ kmph,\quad 50\ kmph

Step-by-step explanation:

Given

Two cars are 600 km apart moving towards each other

Difference in their speed is 6 kmph

After 4.5 hr, they are 123 km apart that is, they covered a distance of 600-123=477\ km in 4.5 hours

Suppose their speeds is v_1\ \text{and}\ v_2

\therefore v_1-v_2=6\quad \ldots(i)

Also, distance traveled is given by

\Rightarrow 477=[v_1+v_2]4.5\\\Rightarrow v_1+v_2=106\quad \ldots(ii)

Solve, (i) and (ii) , we get v_1=56\ kmph\ \text{and}\ v_2=50\ kmph

8 0
3 years ago
What is the range of the function shown in this table?
natima [27]

Answer:

Naruto pls be young again boomor

5 0
3 years ago
Need help with this simple math question:<br> 7(x+1) x=8
yulyashka [42]
So your saying X=8. so you would 7*8 and 7*1 then you add 7*8=56 so
56+7= 63
3 0
3 years ago
Read 2 more answers
Match each LCD with the correct pair of rational expressions. LCD = 2(3)(5)(7)(x)(x)
Salsk061 [2.6K]

Answer:

LCD = 2(3)(5)(7)(x)(x) is A

LCD = (x - 3)(x + 1) is D

LCD = (x + 2)(x - 3) is C

LCD = 2(3)(5)(7)(x) is B

6 0
2 years ago
The Luz family budget is shown in the circle graph. The total budget is $3,000. How much does the Luz family spend on groceries?
den301095 [7]

Answer:

Ok so this is a pie chart on pie the whole circle represents the whole budget which on this one is 3000 on this chart they spend 25% on groceries so we multiply

3000*0.25=750

so that means they spend 750 dollars on groceries

Hope This Helps!!!

3 0
3 years ago
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