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brilliants [131]
3 years ago
15

Ruby conducted a survey and found that 5/6 of her classmates have a pet and 2/3 of them are dogs what fraction of her classmates

has dogs
Mathematics
1 answer:
lina2011 [118]3 years ago
7 0
This is how I would solve it, I would act as if there were 36 people in the class.
36÷6=6×5=30
30÷3=10×2=20
20/36=10/18=5/9
You could also try another number such as 24;
24×(5÷6)=20
20×(2/3)=13.3(3 repeating)
13.333/24=5/9
5/9 people have dogs.
Tell me if this helps.
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Mark was thinking of a number. Mark doubles it, then adds 11 to get an answer of 52.6. What was the original number?
Artemon [7]

Answer:

20.8

Step-by-step explanation:

The first step you need to do is to subtract 11:

52.6 - 11 = 41.6

The second step is to divide it by 2:

41.6 / 2 = 20.8

Mark was thinking of 20.8

5 0
2 years ago
Read 2 more answers
kelly ate 5/8of a pizza,lilly ate 2/6 of a pizza,ray ate 8/11 of a pizza,and marlin ate 2/5 of a pizza.which girl ate the least
kap26 [50]
5/8, 2/6, 8/11, 2/5
Convert them into decimals.

5/8 ⇒ 0.625
2/6 ⇒ 0.333
8/11 ⇒ 0.727
2/5 ⇒ 0.4

The lowest amount is 0.333, or 2/6.

Lilly ate 2/6 of a pizza.
Lilly ate the least amount of pizza.
7 0
3 years ago
What is the discriminant of the quadratic equation 2x + 5x2 = 1?
Murrr4er [49]
5x^2+2x-1=0

Delta equation is:

\Delta =\frac{-b\pm\sqrt(b^2-4ac)}{2a}

but we are interested in b^2-4ac because it determines the discriminant

5^2-4*2*(-1)=25+8=33

33>0

which means that discriminant is positive :)

7 0
3 years ago
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You deposit $200 in an account that pays 5% interest compound yearly. Find the balance after 10 years. Round to the nearest doll
11111nata11111 [884]

Answer:

el interes es 50

Step-by-step explanation:

5 0
3 years ago
Find the volume of the cone. Round to your nearest hundredth
Alika [10]

volume of cone

= ⅓πr²h

= ⅓ × 3.14 × 9 × 9 × 12

= 3.14 × 3 × 108

= 3.14 × 324

= 1017.36 cm³

8 0
3 years ago
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