What is 2/7 and 4/28 with a common denominator

Answers

Answer 1

Answer: 2/7 could be 8/28 giving you a common denominator. Or you could have 4/14 and 2/14.

Answer 2

Answer: 2/7 8/28 The common denominator is 28,

4/28 4/28

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Donald bought a box of golf balls for $9.59. There were 18 golf balls in the box. About how much did each golf ball cost?

Answers

The price (9.59) divided by the number of golf balls (18).

9.59 (divided by) 18 = .53

One golf ball cost around $0.53 or 53 cents.

You can also check the work by multiplying 18 by 0.53 which is 9.59.

One pack costs $9.59, which contains 18 balls. To obtain the cost of each ball, you divide $9.59 by 18, which is about 53 cents

A right triangle has legs measuring 4.5 meters and 1.5 meters. The lenghts of the legs of a second triangle are proportional to the lengths of the legs of the first triangle.
What could be the lengths of the legs of the second triangle?

Answers

Well,

If the length of the legs of the second triangle are proportional to the lengths of the legs of the first triangle, we could simply multiply both of the dimensions by whole numbers and get an infinite number of proportional lengths.

Example:
4.5 * 2 = 9
1.5 * 2 = 3

A triangle with legs measuring 9 meters and 3 meters will be proportional to the first triangle with leg lengths of 4.5 and 1.5 meters, respectively.

More proportional lengths:
4.5 * 3 = 13.5
1.5 * 3 = 4.5

4.5 * 4 = 18
1.5 * 4 = 6

If you have a blood relative 95 or older and you smoke cigarettes, do you stretch or shrink your life span? By how many years?

Answers

Answer: shrink by 10 years

Step-by-step explanation:

What expression is equivalent to4x^5 x 2x^6

6x^30
8x^30
6x^11
8x^11
(the number next to the arrow is the exponent)

Answers

Answer:

8x^11

Step-by-step explanation:

when multiplying you add the exponents

4x^5 x 2x^6 = (8x^11)

Two friends share 3 fruit bars equally how much does each friend get

Answers

OK well 1.5 each divide 2 into 3 :) hope it helps

so 3 divided by 2 is: 1.5Hope is helped:D

Two right triangles on a coordinate plane are similar but not congruent.Each of the legs of both triangle are extended by 1 unit,creating two new right triangles.Are the resulting triangles similar? explain using an example

Answers

Virtually every time you try this stunt, the new triangles
are NOT similar.

Example:

Triangle A₀ . . . legs = 3 and 4; hypotenuse = √25 = 5 .
Triangle B₀ . . . legs = 6 and 8; hypotenuse = √100 = 10 .

Ratio of short legs = 6/3 = 2
Ratio of long legs = 8/4 = 2
Ratio of hypotenuses = 10/5 = 2
The triangles are similar.

Add 1 unit to all legs:

Triangle A₁ . . . legs = 4 and 5; hypotenuse = √41
Triangle B₁ . . . legs = 7 and 9; hypotenuse = √130

Ratio of short legs = 7/4 = 1.75
Ratio of long legs = 9/5 = 1.8
Ratio of hypotenees = √(130/41) = 1.78 .

New triangles are NOT similar.

I think this ONLY works when the original triangles are
congruent, so the ratio of their similarity is 1:1.
When each leg of both triangles is extended by the same
amount, they are still congruent.

But the question stipulates that they are NOT congruent.
So the answer to the question is: No. Never.

They are similar, by SSS. This shows that the sides are all similar but may not be congruent. And they started out similar, and they have the same scale factor. If you had one more angle besides the 90, you would be able to figure out the angles inside and have AA to justify.
Sorry if this is a bad explanation.

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