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TEA [102]
3 years ago
13

−1 3/5÷−5/6​=? Please help!

Mathematics
2 answers:
zavuch27 [327]3 years ago
8 0

- 1 3/5= -8/5 ( Multiply the denominator and whole number ) -1*5= -5 -3= -8

-8/5 ÷ -5/6

-8/5*-6/5 ( whenever dividing flip over the second fraction )

=48/25 ( whenever multiplying - negative and - negative = + positive number

48/25= 1 23/25

Answer :48/25 or 1 23/25

Rufina [12.5K]3 years ago
7 0

Answer:

1 23/25.

Step-by-step explanation:

Convert the mixed number to an improper fraction:

-1 3/5 = -8/5.

Now do the division:

-8/5 / -5/6

= -8/5 * -6 / 5

= 48/25

= 1 23/25.

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Alecsey [184]

Answer:

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6 0
3 years ago
The number of peanuts in bags is normally distributed with a mean of 184.7 peanuts
ioda

Standard deviation = 3.3

The data point = 178

The mean = 184.7

<h2>Further Explanation</h2>

To calculate the Z-score of a bag containing 178 peanuts, we should use the formula to calculating a z-score.

The formula for calculating a Z-score is as follows

z = \frac{data Point - Mean}{Standard Deviation}

This also implies

z = \frac{178 - 184.7}{3.3}

Z= -2.03

therefore, the correct answer is -2.03

A z-score determine the number of standard deviation from the mean a data point is.

some important factors about z-score include:

  • if it is a positive z-score, it indicates the data point is above average
  • if it is a negative Z-score, it indicates the data point is below average
  • if the z-score is close to 0, it then means the data point is close to average
  • if the z-score is above 3 or below -3, it is considered to be unusual

Learn More about Z-score at:

brainly.com/question/12876715

#learnwithbrainly

8 0
3 years ago
If the coordinates of point a are -3 and 2 and the coordinates of point B are 7 and 6 the x-intercept of CD is what
AveGali [126]

Answer:

The x-intercept of CD is -19/5

Step-by-step explanation:

If the coordinates of the first point is (-3, 2) and the coordinates of the point B are (7, 6) then we need first to find the equation of the line CD:

We know that the general equation of the line is:

y-y0 = m(x-x0) where (x0, y0) represents a point that belongs to the line and m, is the slope which can be calculated by using the following formula:

m = (x1 - x0) / (y1 - y0)

In this case:

(x1, y1) = (7, 6)

(x0, y0) = (-3, 2)

Then:

m = (7 - (-3))/(6-2) = 10/4 = 5/2.

Then, the equation of the line is:

y-y0 = m(x-x0)

y - 2 = 5/2 (x -(-3))

y = 5/2(x+3) + 2

To find the x intercept we make y=0.

Then y = 5/2(x+3) + 2 = 0

Then:

x = -4/5 - 3 = -19/5

3 0
3 years ago
Please help! I’ll mark brainliest
OLga [1]
The answer would be 6
8 0
2 years ago
a soccer team practiced 3 times a week. each practice lasts for 110 minutes. the team practices for 14 weeks during the season.
Fittoniya [83]
3 weeks x 110 minutes = 330 minutes
330 minutes a week x 14 weeks = 4620 minutes
4620 divided by 60 minutes = 77 hours
77 hours is your answer
5 0
3 years ago
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