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Tresset [83]
3 years ago
14

One-third of a number is 2 more than one-fifth of the same number

Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0
It’s fifteen. I started with 15 bc it’s the smallest number they’re both a factor of. And I didn’t think they’d make it too hard.
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7.92 • 10.21 = 808.632
Lena [83]
I did the math,This is false.




Hope this helps.
3 0
3 years ago
In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females and 12 of the juniors are males. If a st
White raven [17]

Answer:

a) 0.857

b) 0.571

c) 1

Step-by-step explanation:

Based on the data given, we have

  • 18 juniors
  • 10 seniors
  • 6 female seniors
  • 10-6 = 4 male seniors
  • 12 junior males
  • 18-12 = 6 junior female
  • 6+6 = 12 female
  • 4+12 = 16 male
  • A total of 28 students

The probability of each union of events is obtained by summing the probabilities of the separated events and substracting the intersection. I will abbreviate female by F, junior by J, male by M, senior by S. We have

  • P(J U F) = P(J) + P(F) - P(JF) = 18/28+12/28-6/28 = 24/28 = 0.857
  • P(S U F) = P(S) + P(F) - P(SF) = 10/28 + 12/28 - 6/28 = 16/28 = 0.571
  • P(J U S) = P(J) + P(S) - P(JS) = 18/28 + 10/28 - 0 = 1

Note that a student cant be Junior and Senior at the same time, so the probability of the combined event is 0. The probability of the union is 1 because every student is either Junior or Senior.

3 0
3 years ago
E D 1389 xo С 76.2° B А Find the value of x. O 38.1 O 30.9 69 O 61.8​
DanielleElmas [232]

Based on the intersecting secants theorem, the value of x is: B. 30.9°

<h3>What is the Intersecting Secants Theorem?</h3>

The intersecting secants theorem states that when two secants intersect, the measure of the angle they form is half the difference of the intercepted arcs.

Thus, based on the intersecting secants theorem, we would have the following:

x = 1/2(138 - 76.2)

x = 1/2(61.8)

x = 30.9°

Learn more about intersecting secants theorem on:

brainly.com/question/1626547

6 0
2 years ago
A parking meter contains 4 times as many nickels as quarters. The meter contains $4.05 total. Select two equations that would be
Maru [420]

Answer:

xc

Step-by-step explanation:

7 0
2 years ago
Diameter of a beach ball is 3 feet what is the volume
marin [14]

 v= (4/3)* pi *(d/2)^3  =  (4/3) * pi  * (3/2)^3  = about 14.14 cu ft Hope this helps you

6 0
3 years ago
Read 2 more answers
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