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myrzilka [38]
2 years ago
7

PLEASE HELP!!!! I'LL GIVE BRAINLLEST!!! a bag contains hair ribbons for a spirit rally. The bag contains 8 black ribbons and 12

green ribbons. Lila selects a ribbon at random, then Jessica selects a ribbon at random from the remaining ribbons. What is the probability that both Lila and Jessica select a black ribbon? Express your answer as a fraction in simplest form.
Mathematics
1 answer:
daser333 [38]2 years ago
6 0
I believe that the answer is 1/5 but i am not entirely sure
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Please help<br><br>p/5 = 3.1; p=​
aalyn [17]
P=15.5 would be the answer
3 0
3 years ago
Read 2 more answers
Hey can you please help me with 8 and 10 :)
insens350 [35]
8) So remember the sum of all angles inside a triangle is equal to 180°. We first want to figure out the angle below the 110°.

A straight line is 180° so if we do 180 - 110 we get 70° therefore the angle below the 110° is 70°.

So we now know two angles in the triangle, 70° and 80°. Add these and we get 150°. Now we can determine the final angle (the one labelled (2x - 6)) which will be 30°.

So let’s make it into an equation:

2x - 6 = 30

Add 6 to both sides to isolate 2x:

2x = 36

Divide by 2 to get the value of x:

x = 18



10) Since the sum of all angles in a triangle is 180, and there are only 3 angles, we can determine A easily.

B = 10°
C = 160°

So to determine A:

180 - 160 - 10

Which gives us 10

Therefore A = 10°.


So the answers:

8) x = 18
9) A = 10°


I hope this helps you!!
4 0
2 years ago
The dance committee of Pine Bluff Middle School earns \$72$72dollar sign, 72 from a bake sale and will earn \$4$4dollar sign, 4
Brut [27]

Answer:

The correct answer is 72 + 4 × x \geq 400.

Step-by-step explanation:

The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spring Fling dance.

The dance will cost $400.

Let x number of tickets the committee could sell.

Total money earned is 72 + 4 × x.

The committee should have some left over money also after spending for the dance which costs $400.

Thus the inequality to determine the number of tickets the committee could sell to have money left over after they pay for this year's dance is given by,

72 + 4 × x \geq 400.

3 0
3 years ago
Read 2 more answers
Can Someone help and explain how to get this answer?
Kay [80]
44%
42%
78%
21%
30%
8%
i calculated everything
8 0
2 years ago
Read 2 more answers
During a recent election ,53 of every 100 registered voters in certain city voted. If there were 113.100 registered voters in th
Ivanshal [37]
By the rule of 3 simple:
53/100 = x/113100
x = 53*113100/100 = 59943
8 0
2 years ago
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