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kifflom [539]
3 years ago
15

A basket contains 9 blue ribbons, 7 red ribbons and 6 white ribbons. What is the probability that a ribbon selected at random wi

ll be red ?
Mathematics
2 answers:
quester [9]3 years ago
7 0
Probability=number of specific outcomes / total number of possible outcomes...

P(r)=7/(9+7+6)

P(r)=7/22  ( ≈31.82%)
serious [3.7K]3 years ago
4 0
Add 7+9+6 then convert to percent 
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3 years ago
Once Jeremy is on the fire escape he runs 2 feet to the staircase. He then runs across the width of the building. Which of the f
NNADVOKAT [17]
<h3>Answer: Choice D.  4^2+5^2 = x^2</h3>

See note at the bottom

========================================================

The entire building is 20 feet. Fifteen feet of that is from the ground to the first landing of the stairs or fire escape. So 20-15 = 5 feet represents the height of the second set of stairs (leading to the roof of the building)

The base of the triangle is 4 feet as shown in the diagram. The height is 5 feet as found in the prior paragraph. Use the pythagorean theorem to say

a^2 + b^2 = c^2

4^2 + 5^2 = x^2

Note: If you meant to write 4^2+5^2 = x^2 for choice D, then that would be the answer. Otherwise, there is a typo somewhere.

4 0
3 years ago
Find the 19th term of the arithmetic sequence whose common difference is =d5 and whose first term is =a12.
emmasim [6.3K]
An=a1+d(n-1)
a1=first term
d=common difference
n=which term

common difference is 5 first term is 2
an=5+2(n-1)
19th term is n=19
a19=5+2(19-1)
a19=5+2(18)
a19=5+36
a19=41

19th term is 41
4 0
3 years ago
How do you solve for x?<br> 6x+7=6
skelet666 [1.2K]
<span>6x+7=6

Subtract both sides by 7 
</span>6x+7-7=6-7

6x=-1

Divide both sides by 6 to isolate x 
6x/6=-1/6

x=-1/6 
5 0
3 years ago
Read 2 more answers
Karma's brother was born
torisob [31]

Answer:

Basically just add 12 to the hour that you want

Step-by-step explanation:

I'm honestly not sure what you're asking...

but if it was 13 min after 8pm, then it would be 20:13

if it was 18 min after 8pm, then it would be 20:18

6 0
2 years ago
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