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Elodia [21]
2 years ago
13

Someone please help Find the common difference of 49, 43, 37

Mathematics
1 answer:
Marina CMI [18]2 years ago
8 0

minus 6

Step-by-step explanation:

From 49 to 43 you minus 6

from 43 to 37 you minus 6

Please give me brainliest!

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Look at pic plz help
jasenka [17]

Answer:

Mochi

Step-by-step explanation:

Mochi

Each week theres a increase of 4 in Mochi's weight. So you will add 4 twice to get to the 5th week.

4th week : 17

5th week : 21

Kappa

In 4 weeks Kappa weighed 14, which is less that Mochi at the pace Kappa is going at.

on the 3rd week Kappa weighed 11

and 2nd week Kappa weighed 5

and 1st week Kappa weighed 3

Looking at the graph, we can give a rough estimate on the 5th week it's going to be 16 or 17 either way making Mochi heavier.

8 0
2 years ago
Tomas ia savin $17.00 each week to buy new sewing machine that costs 175.50.How many weeks will he have to save to have enough m
MatroZZZ [7]
X=number of weeks
We can suggest this inequation:
17x>175.5
x>175.5/17>10.323>11    (the solution have to be a whole number, therefore the answer will be 11 weeks or more)

Answer: Tomas need save money during 11 weeks. 
4 0
2 years ago
Find the perimeter of the rectangle whose vertices are the points with coordinates (-1,-9), (4-9),(-1, -3), and (4, -3).
Airida [17]

Answer:

The perimeter is 22

Step-by-step explanation:

Using a graph would be the easiest way to solve this type of problem (just count the units from each point and add them all up). Perimeter= 2l+2w

If graph paper is not available then you may need to use your head a little bit and imagine a graph. You want to first find the length (or width because either can be it) by finding the two points with similar x or y values.

One of the lengths can be found by using (-1,-9) and (4,-9) because they have similar y values. Next you want to find the distance between the two values so that you can find the length. When two points are in different quadrants (use the image for reference) you would add the x values by their absolute values in meaning the distance the number is from 0 or that you change the negative numbers into positive numbers. Add 1 and 4 and you get 5. The length is 5 which you then multiply by 2 and get the length of both sides.

Because you have the two lengths the width where both of the x values are similar and find the distance between the points. You can use the two points (-1,-9) and (-1,-3). Use the absolute value of the two y values and subtract them because they are in the same quadrant (refer to the image if needed). Use the largest absolute value and subtract the lowest absolute value so that you get 9-3 which would give you 6. The width is 6 and you then multiply it by 2 so that you get 12. 12 is the width of both sides of the rectangle. Add all 4 sides together to get a perimeter of 22.

5 0
2 years ago
In November, the school store sells 120 pens. In December, the store sells only 30 pens. What is the percent of change in pens s
Alchen [17]
Notice that it goes from 120 to 30....so we are dealing with a decrease

percent decrease = (original number - new number) / original number..* 100
                             = (120 - 30) / 120....* 100
                             = 90/120...* 100
                             = 0.75 * 100
                             = 75% decrease <===
3 0
3 years ago
University graduates have a mean job search time of 38.1 weeks, with a standard deviation of 10.1 weeks. The distribution of job
Lera25 [3.4K]

Answer:

7.1 weeks to 68.4 weeks

Step-by-step explanation:

Chebyshev's Theorem states that:

75% of the measures are within 2 standard deviations of the mean.

89% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 38.1

Standard deviation = 10.1

Between what two search times does Chebyshev's Theorem guarantee that we will find at least 89% of the graduates

Between 3 standard deviations of the mean.

So from 38.1 - 3*10.1 = 7.8 weeks to 38.1 + 3*10.1 = 68.4 weeks

5 0
2 years ago
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