Which expression is the lcd of these fractions 4/x^2y 20/xy

Answers

Answer 1

Answer: LCD of    4 and 20
   (x^2)y xy

Without any mathematical operations involved, ask yourself how many common variables are in the denominators. x^2 is the same as (x)(x)

so we have 4    and 20
(x)(x)(y)    (x)(y)

So what we have in common is one (x) and one (y).

The LCD is xy

Answer 2

Answer: The answer is x^2y. i just took this quiz and this is 100% the correct answer!

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Which expression correctly represents “ten times the difference of a number and six”

Answers

Answer:

Expression will be 10(x - 6).

Step-by-step explanation:

Let the given number is x.

Difference of this number and 6 will be represented by

(x - 6)

Then ten times the difference of this number and 6 will be represented by

10(x - 6)

Therefore, the statement " ten times the difference of a number and six " will be represented by the expression 10(x - 6)

Answer:

10 * (m * 6)

Step-by-step explanation:

hope thats alright!

A scale model of the statue of liberty is 5 inches tall. if the statue of liberty is 305ft tall find the scale of the model.

Answers

12 inches in a foot
305ft = 3,660 inches

5 inches to 3,660 inches is 1 to 732

scale is 732:1

Final answer:

The scale of the model is 1 inch : 61 feet.

Explanation:

To find the scale of the model, we need to compare the height of the scale model to the real Statue of Liberty. The scale is the ratio of the height of the scale model to the height of the real object. In this case, the height of the scale model is 5 inches and the height of the statue is 305 feet. To find the scale, we can set up a proportion:

5 inches / x = 305 feet / 1

Cross multiplying, we get 5x = 305. Solving for x, we find that x = 305/5 = 61. So the scale of the model is 1 inch : 61 feet.

Learn more about Scale models here:

brainly.com/question/19512201

#SPJ2

Which story problems could be solved using the given equation?1\4 x 3\5

Choose exactly two answers that are correct.

A.
There is 3\5 of a box of dog treats in the cupboard. Jill’s dog eats1\4 of a box of treats in a week. How many weeks of treats are left in the box for Jill’s dog?

B.
In Sophie’s doll collection,3\5 of the dolls are in their original boxes. Sophie plans to donate 1\4 of the dolls in these boxes to charity. How much of her doll collection will Sophie donate to charity?

C.
Shawn made a poster that has a width of 1\4 meter and a length of 3\5 meter. What is the area, in square meters, of Shawn’s poster?

D.
Christie hiked 1\4 mile on the trail. Jackie hiked 3\5 mile farther than Christie. How far, in miles, did Jackie hike on the trail?

Answers

Answer: Option 'C' and 'B' are correct.

Step-by-step explanation:

Since we have given that

$(1)/(4)* (3)/(5)$

In Option 'C' ,

Length of a poster is given by

$(1)/(4)$

Width of a poster is given by

$(3)/(5)$

So, Area of poster is given by

$Length* breadth\n\n=(1)/(4)* (3)/(5)$

In option 'B', part of dolls are within the original box is given by

$(3)/(5)$

Part of dolls who has charity is given by

$(1)/(4)$

Total dolls she donate is given by

$(1)/(4)* (3)/(5)$

On the other hand, In option 'A' has "Division operation" and option 'D' has "Subtraction operation".

Hence, Option 'C' and 'B' are correct.

Which story problem could be solve using the given equations.
B & C.

How many 3-digit multiples of 13 are there?

Answers

Answer:

There are 69

Step-by-step explanation:

1+(104-998)/13=69

a circular ink spot has a circumference of 25.12 millimeters, a minute later it has a circumference of 75.63 mm estimate the diameter of the ink spot each minute

Answers

well u will have to round those numbers and then multiply them wich will give u your answer

Please answer ASAP! An explanation is a MUST REQUIREMENT in order to receive points and the Brainliest answer. Thank you.

Answers

hmm

tr some
m=3
n=4
p=5
q=6
A=m/q=3/6=1/2=0.5
B=n/p=4/5=0.8

test
first,
A+B, andB is irrational
hmm, B is not irrational and the result is not irrational

2nd
0.5+0.8=1.3, it is rational

3rd the fraction is wrong
m/q times n/p=(mn)/(qp) so this is wrong

4th, fraction is also wrong (but it is true that produce of 2 rationals makes rational)

pick 2nd from top

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Alex is thinking of a number. The number has a square root between 7 and 8, and it is a multiple of 12. What is the number(s)?

1/2+3/5 for math and idk what it is

the ratio of the number of male lions to female lions is 21:20; if there are 123 lions, how many lions are female?