Let's start his with some trigonometry
Cos60=x/30
X=15
Now we can use Pythagorean therom
15^2+b^2=30^2
B(y)= 25.98
Answer:
3 nickels and 15 quarters.
Step-by-step explanation:
Hope this helps!
Answer:
No.
Step-by-step explanation:
1. Since 19 is a prime number, it only has two factors: 1 and 19. Therefore, 3 is not a factor of 19 because no natural number multiplied by 3 equals 19.
Answer:
<h2>1/5</h2>
Step-by-step explanation:
The sample space for pens is
5 red pens, 6 blue pens, 3 black pens,(5+6+3)= 14pens
The sample space for paper is
4 silver paper clips and 16 white (4+16)=20 papers
The probability of selecting a black pen and white paper
Pr(black pen)*Pr(white paper)
=3/14*16/20
=48/280
= 14/70
= 2/10
= 1/5