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frosja888 [35]
3 years ago
10

What is the highest common factor of 60 and 70.

Mathematics
1 answer:
Arisa [49]3 years ago
7 0
10 is the highest common factor of 60 and 70
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What does it mean when there is a number above and below a dash in algebra?
AleksAgata [21]

The notation of a bar (vinculum, or overbar) over a whole number  

doesn't seem to be very common.  Here are some possibilities as to  

what it could mean:

It is sometimes used as a grouping symbol, as in a fraction:

  _____                                __

  3 + 1  x  5     =  20             so 67  =  67

I have also seen it used to refer to the average:

                      _                __

  x = {1,2,6},   x  = 3             so 67  =  67  

  (the average of one number is itself, of course).

I have also heard that it can be used to mean "1000 times whatever is

underneath", especially with Roman numerals - see the following Web  

page, Final Answers by Gerard P. Michon:



5 0
3 years ago
Jade ran 6 times around her neighborhood to complete a total of 1 mile how many times will she need to run to complete 5/6 of a
Katen [24]
Since she ran 6 times to complete a mile, each lap should be 1/6 of a mile. To run 5/6, she must run 5 laps. Your final answer should be 5. Hope this helps!

6 0
3 years ago
Please answer soon. Include Statement and Reason if possible.
Zigmanuir [339]
<h3>Answer:  AC = sqrt(21)/2</h3>

====================================================

Explanation:

Triangle CDA is congruent to triangle CDB. We can use the HL (hypotenuse leg) congruence theorem to prove this. This only works because we have two right triangles.

Since CDA and CDB are congruent, this means their corresponding pieces are the same length. Specifically AD = DB, so

AD+DB = AB

AD+AD = 3

2*AD = 3

AD = 3/2 = 1.5

For triangle CDA, we have AD = 3/2 = 1.5 and CD = sqrt(3). We can use the pythagorean theorem to find the missing side AC

a^2 + b^2 = c^2

(AD)^2 + (CD)^2 = (AC)^2

(3/2)^2 + (sqrt(3))^2 = (AC)^2

9/4 + 3 = (AC)^2

(AC)^2 = 9/4 + 3

(AC)^2 = 9/4 + 12/4

(AC)^2 = 21/4

AC = sqrt(21/4)

AC = sqrt(21)/sqrt(4)

AC = sqrt(21)/2

This is the same as writing (1/2)*sqrt(21) or 0.5*sqrt(21)

5 0
4 years ago
Write an equation of the line with slope -1 passing through (8,5).
True [87]

Answer:

y = -1x + 13

Step-by-step explanation:

y = -1x + b

5 = -1(8) + b

5 = -8 + b

13 = b

8 0
3 years ago
Jolyn, a golfer, claims that her drive distance is not equal to 222 meters, on average. Several of her friends do not believe he
Troyanec [42]

Answer:

0.29

Step-by-step explanation:

z-score is given by the formula:

z=(μ-M)/σ where

  • μ is the hypothesis drive distance, which is 222
  • M is the mean sample drive distance
  • σ is the standard deviation of the sample drive distance

Therefore

z=(222-218)/14≈0.29

3 0
4 years ago
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