2 years ago

What is equivalent to -1/3-(-5/12)

Mathematics

1 answer:

artcher [175]2 years ago

4 0

Answer: 1/12

Step-by-step explanation: -1/3—-5/12 -1/3+5/12 -4/12+5/12 1/12

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(-4)-(-2)-{(-5)-[(-7)+(-3)-(-8)]}

olasank [31]

Answer:

Explanation:

I used the calculator.

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3 years ago

A class has a ratio of boys to girls 3:4.

Nat2105 [25]

Answer:

a)F

b)A

c)F

d)F

Step-by-step explanation:

a)3+4=7 which is the total number of pupils in class

So, the fraction should be 3/7✅not 3/4❌

b) The girls in the class are 4 and the total number of pupils in class are 7. So, the fraction is correct✅.

c) The number of boys in class is 3✅ which is given in the ratio. Not 6❌

d) If you add the both numbers in the ratio, you will get the total number of pupils which is 7✅not 12❌

Hope this will help ya!

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2 years ago

Read 2 more answers

What is C in the triangle <br> C=

Alla [95]

Answer:

C = 13

Step-by-step explanation:

$A^{2}$ + $B^{2}$ = $C^{2}$

$5^{2}$ + $12^{2}$ = 169

$\sqrt{169}$ = 13

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3 years ago

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To play the lottery in a certain state, a person has to correctly select 5 out of 45 numbers, paying a $1 for each five-number s

defon

There are 45 numbers out of which 5 numbers are required to win an enormous sum of money

No of ways in which 5 numbers can be selected out of 45 numbers.

$C_{45}^5=\frac{45!}{40!5!} =1221759$

out of which there is only combination foe contest winning

$P=\frac{1}{1221759}$

When 100 different tickets are bought then

Probability of winning: $\frac{100}{1221759}$

Probably of winning≈0,000082

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P.S. Hello from Russia :^)

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2 years ago

If you know that a 30% increase in a quanity is 50, how can you find the original quanity?

In-s [12.5K]

It should be 15% I think I’m right

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2 years ago