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jarptica [38.1K]
3 years ago
15

Johnny says multiplication always makes numbers bigger. Explain to Johnny why this isn’t true. Give more than one example to hel

p him understand.
Mathematics
1 answer:
yarga [219]3 years ago
6 0

Answer:

Explained

Step-by-step explanation:

No, Multiplication does not always makes number bigger. When number is Multiplied by any number less than 1 the magnitude of the number decreases. Also any number multiplied by a negative number also reduces the number,

Example 5×2= 10 and 5×0.2= 1 clearly , 1<5

also, 5×(-2) = -10 which is also less than 5.

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(4,-2) and (24,-17) finding the slope from points
Romashka [77]
Use the equation for the slope:
slope = \frac{y2-y1}{x2-x1}
The two points are equal to (x1, y1) and (x2, y2). 

So choose one of your points to be (x1, y1). Let's choose (4, -2). That means x1 = 4 and y1 = -2.
The other point would then be (x2, y2). So x2 = 24 and y2 = -17.

Now put these values in to the equation:
Slope = \frac{-17-(-2)}{24-4} =  \frac{-15}{20}  =  \frac{-3}{4}

The slope is -3/4.

3 0
3 years ago
Please answer. find volume. thanks!
aivan3 [116]

Answer:

VOLUME = L X W X H AND THAT EQUALS TO 250 1/2

Step-by-step explanation:

3 0
2 years ago
Roger Hunt intends to purchase one of two car dealerships currently for sale in a certain city. Records obtained from each of th
ValentinkaMS [17]

Answer:

(a)   Dahl Motors = 8 Cars

       Farthington Auto Sales = 7 Cars

(b)   Roger will purchase from Farthington Auto Sales with higher weekly profit

Step-by-step explanation:

Dahl Motors / Week      

(1)          Car Sold             5         6        7       8         9        10         11          12

(2)          Probability         5%      9%     14%   24%    18%     14%     11%        5%

(3)             (2 x 3 )               0.25   0.54   0.98  1.92     1.62    1.40     1.21     0.60

(4)       Average sales = 0.25  + 0.54  + 0.98  + 1.92 + 1.62 +  1.40  +  1.21+0.60

                                   =   8.52‬ cars/ week

                                   =  8 cars /week

Profit/ Car =    $544

Total weekly profit =  544 x 8

                               =  $4,352

Farthington Auto Sales/ Week    

(1)           Car Sold             5         6        7       8         9        10      

(2)          Probability         8%      21%    31%   24%    10%     6%    

(3)          (2 x 3 )               0.40   1.26   2.17     1.92     0.9     0.6    

(4)       Average sales = 0.40  + 1.26  + 2.17  + 1.92 + 0.90 + 0.60  

                                   =   7.25‬ cars/ week

                                  = 7 cars/week

Profit/ Car =    $651

Total weekly profit =  651 x 7

                               =  $4,557‬

From the calculations above , Roger will purchase from Farthington Auto Sales

3 0
3 years ago
In order to estimate the mean amount of time computer users spend on the internet each​ month, how many computer users must be s
levacccp [35]

Answer:

1877 computer users

Step-by-step explanation:

We have that for 95% of confident, the value of z has a value of 1.96 (attached table about it), they also mention the margin of error (E) that is 10 and finally the standard deviation (sd) that has a value of 221.

We apply the following formula:

n = [z * sd / E] ^ 2

replacing:

n = [1.96 * 221/10] ^ 2

n = 1876.27

that is, the minimum sample size is 1877

7 0
3 years ago
Write and solve an equation for the following.
Alenkinab [10]

Answer:

4+ \frac{1}{2}x = 3

Step-by-step explanation:

4 + \frac{1}{2}x = 3 (subtract 4 from both sides)

\frac{1}{2}x = -1 (multiply both sides by 2)

x = -2

5 0
3 years ago
Read 2 more answers
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