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brilliants [131]
3 years ago
8

What’s 7 1/2 - 1 2/7

Mathematics
2 answers:
sweet [91]3 years ago
6 0

87/14 or 6 3/4. That's an improper fraction and then a mixed fraction. Same answer though

NNADVOKAT [17]3 years ago
4 0
The answer is: 6 3/14

You find a common denominator which would be 14.

7 1/2 becomes 7 7/14.

1 2/7 becomes 1 4/14

When you subtract 7 1/2 - 1 4/14 it equals 6 3/14
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What is the y-intercept of the line given by the equation y=4.2x - 6.3
Ipatiy [6.2K]

Answer:

-6.3

Step-by-step explanation:

4.2x, if x = 0, then y = -6.3

4 0
1 year ago
Read 2 more answers
How do you solve X/14=-21
Ket [755]
You multiply -21 by 14 to find x, and that would be -21 x 14 = -294, and that is your answer. 
8 0
3 years ago
Study the geometric sequence {-4, -84, -1764, -37044, ...}.
Nonamiya [84]

Answer:

              \bold{a_n=(-4)21^{n-1}}

Step-by-step explanation:

a_1=-4\,,\ a_2=-84\,,\ a_3=-1764\,,\ a_4=-37044\quad\implies\ \ r=21

{-84:(-4)=21 and -1764:(-84)=21 and -37044:(-1764)=21}

geometric sequence formula:   a_n=a_1r^{n-1}

a_1=-4\quad and \ \ r=21

a_n=(-4)21^{n-1}

3 0
3 years ago
If a bill cost $125. And they leave a $21.25 for a tip what percentage did they tip
yanalaym [24]

Answer:

17%

Step-by-step explanation:

Divide $21.25 by $125

6 0
3 years ago
Which of the following is the MOST accurate definition of standard deviation
zzz [600]

The MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average. Option 4

<h3>Definition of standard deviation</h3>

Standard deviation can be defined as a statistic tool that measures the dispersion of a dataset in relation to its mean and is calculated as the square root of the available variance of the set.

It is calculated as the square root of the given variance.

Thus, the MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average.

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6 0
2 years ago
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