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3 years ago

What is the least common denominator of the fractions 4/15 1/6 and 3/4

Mathematics

2 answers:

Makovka662 [10]3 years ago

7 0

Answer:

Step-by-step explanation:

Alexus [3.1K]3 years ago

5 0

Answer:

Step-by-step explanation:

We have to find least common denominator for these fractions or we just have to find the least common multiple for 15, 6 and 4

In order to find the least common multiple, we have to represent these numbers as factors of prime numbers:

15 = 3 * 5

6 = 2 * 3

4 = 2 * 2

Least common multiples will be common factors (considering that there are no more than of them in other numbers) and the uncommon factors. Then, we can write that:

2 * 2 * 3 * 5 = 60 (there are two 2's, one common 3 and an uncommon 5)

The denominator will be 60 for the least common multiples.

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Help me pls the question is in the picture

MaRussiya [10]

Answer:

M<C = 37 degrees

M<D = 86 degrees

M<DEC = 111 degrees

Step-by-step explanation:

The exterior angle theorem can be measured by the hypotenuse of a 90 degree angle. Since there is no hypotenuse in the matrix, you don't need to make it positive :)

Therefore, after using this theorem, I came to the conclusion that m/C would be 37 degrees, since I calculated the measure of the angle. I used the same tactic on m/D and m/DEC.

I hope this helps :)

4 0

3 years ago

Please help my exam is going on please and both question of math

omeli [17]

Step-by-step explanation:

11) PnQ=QnP

or, {1,2,3}n{1,2,3,4,5} = {1,2,3,4,5} n{1,2,3}

or, {1,2,3} = {1,2,3} .Ans

5 0

3 years ago

A manufacturing process makes rods that vary slightly in length but follow a normal distribution with mean length 25 cm and stan

Galina-37 [17]

Answer:

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22) = 0.1251

Step-by-step explanation:

Step(i):-

Given mean of the Population = 25cm

Given standard deviation of the Population = 2.60

Let 'x' be the random variable in normal distribution

Given x=22

$Z = \frac{x-mean }{S.D} = \frac{22-25}{2.60} = -1.15$

Step(ii):-

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22) = P( Z<-1.15)

= 1-P(Z>1.15)

= 1-( 0.5+A(1.15)

= 0.5 - A(1.15)

= 0.5 - 0.3749

= 0.1251

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22) = 0.1251

7 0

3 years ago

Evaluate x+y when x=13 and y=−74. Write your answer as a fractionin simplest form

Fofino [41]

The value of the expression is -35.

Step-by-step explanation:

Consider the provided expression.

3x + y 

We need to find the value of the expression for x=13 and y=−74 .

Substitute the value of x=13 and y=−74 in the above expression as shown:

3 (13) + (-74)

39 - 74 

-35

 the value of the expression is -35.

6 0

2 years ago

Line AB contains points A ( -3,5) and B (-3,3). Line AB has a slope that is

Alex_Xolod [135]

Answer:

slope that is undefined

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = A(- 3, 5) and (x₂, y₂ ) = B(- 3, 3)

m = $\frac{3-5}{-3+3}$ = $\frac{-2}{0}$

Division by zero is undefined

Thus the slope of AB is undefined

7 0

3 years ago

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