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Alex_Xolod [135]
3 years ago
12

Ms. Cathy bought a package of pens. Out of every 10 pens, 6 are black. If there are 20 pens in the pack, what fraction of the pe

ns in the pack are black? What percent of the pens in the pack are black?​
Mathematics
1 answer:
melisa1 [442]3 years ago
8 0

Answer:

12/20 or 60%

Step-by-step explanation:

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What is the square root of 245?
Simora [160]
The Square Root of 245 is 15.65 (rounded to 2 dec. Places)
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3 years ago
Shawn made a scale drawing of a house and its lot. The scale he used was 13 inches = 5 feet. The backyard is 104 inches in the d
NemiM [27]
13 inches = 5 feet

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Find 1 inch:
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1 inch = 5/13 feet

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Find 104 inches:
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104 inches = 5/13 x 104 feet
104 inches = 40 feet

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Answer: 40 feet
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6 0
4 years ago
How to add fractions? with unlike denominators
stellarik [79]

Answer:

The recipe calls for 19/12 or 1 7/9 cups.


Step-by-step:

In order to get this answer, we have to add all three fractions together. First, we have to find the LCM (Least Common Multiple) between the three denominators:

2: 2, 4, 6, 8, 10, 12

3: 3,6,9,12

4: 4,8,12

The LCM between these three denominators is 12.

4x3=12

2x6=12

3x4=12

You now multiply the numerator by the same number you multiplied by for the denominator in order to get 12:

3/4 becomes 9/12

1/2 becomes 6/12

1/3 becomes 4/12

We now add all the fractions together:

9/12+6/12+4/12= 19/12

We got 19/12 but the answer is an improper fraction so we turn it into a mixed number:

12x1=12 (7 remaining)

This is written as 1 7/12.

Hope this helps! :)

<h3>CloutAnswers</h3>
3 0
3 years ago
The shorter leg of a right triangle is 14 feet less than the other leg. Find the length of the two legs of the hypotenuse is 25
irakobra [83]

Answer:

  9.233 ft, 23.233 ft

Step-by-step explanation:

If the shorter leg is x, then the longer leg is x+14 and the Pythagorean theorem tells you ...

  x^2 + (x +14)^2 = 25^2

  2x^2 +28x +196 = 625

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  x = -7 +√263.5 ≈ 9.23268

The two leg lengths are √263.5 ± 7 feet, {9.23 ft, 23.23 ft}.

6 0
4 years ago
Read 2 more answers
Classify the following triangle. Check all that apply
lubasha [3.4K]

Answer:

A. Acute and B. Equilateral

Step-by-step explanation:

8 0
3 years ago
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