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Black_prince [1.1K]
2 years ago
12

Can someone help me? What is 67/9?

Mathematics
1 answer:
Scilla [17]2 years ago
6 0

Answer:

7.4 is the answer

Step-by-step explanation:

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Pedro simplified four over seven divided by five over eight.; his work is shown below. Identify where he made his error. Origina
Vlad [161]
Step 3 is wrong.
It should be 4/7 / 5/8
                    4/7 x 8/5
                    32/ 35

                    
5 0
2 years ago
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The circle below is centered at the origin and has a radius of 4. What is its
BlackZzzverrR [31]

Answer:

Step-by-step explanation:

The standard form of a circle's equation is

(x-h)^2+(y-k)^2=r^2 where h and k are the circle's center and r is the radius. We are told, and we can see, that the center of the circle is (0, 0) so h = 0 and k = 0. The radius, given as 4, goes into the equation squared, so the equation is

(x-0)^2+(y-0)^2=16 which simplifies down to

x^2+y^2=16, choice C.

8 0
3 years ago
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Which of the following is not a Pythagorean triple?
Ierofanga [76]

Answer:

  (7, 24, 26)

Step-by-step explanation:

A Pythagorean triple must have an odd number of even numbers. The triple (7, 24, 26) is not a Pythagorean triple.

_____

<em>Additional comment</em>

For an odd integer n, a triple can be formed as ...

  (n, (n²-1)/2, (n²+1)/2)

That is, the following will be Pythagorean triples.

  • (3, 4, 5)
  • (5, 12, 13)
  • (7, 24, 25)
  • (9, 40, 41)
  • (11, 60, 61)

Another series involves even numbers and numbers separated by 2:

  (2n, n²-1, n²+1)

  • (8, 15, 17)
  • (12, 35, 37)
  • (16, 63, 65)

In this list, if n is not a multiple of 2, the triple will be a multiple of one from the odd-number series.

It is a good idea to remember a few of these, as they tend to show up in Algebra, Geometry, and Trigonometry problems.

8 0
2 years ago
$90 with 25% off (SHOW WORK)
Ivahew [28]

Answer:

$22.5

Step-by-step explanation:

25% of $90

25% x 90

0.25 x 90

$22.5

4 0
2 years ago
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Prove: The midsegment between sides Line segment AB and Line segment BC is parallel to side Line segment AC.
Allushta [10]
CD in the middle
have a nice day sir/maam
3 0
3 years ago
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