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ch4aika [34]
3 years ago
12

Find the range. 3 –9 7 –1 5 –4 2

Mathematics
1 answer:
grin007 [14]3 years ago
7 0
Put in order from smallest to largest
–9, –4, –1, 2, 3, 5, 7

Minimum = –9<span>
Maximum = 7

</span>Range = 7 - (-9) = 7 + 9 = 16

Range = the difference between the maximum and minimum data values 

hope it helps
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The variable z is directly proportional to x, and inversely proportional to y. When x is 20 and y is 6, z has the value 66.66666
sergejj [24]

Answer:

41.667 to the nearest thousandth.

Step-by-step explanation:

z = kx/y where k is the constant of proportionality.

Inserting the given values:

66.666666666667 = k*20/6

20k = 6*66.666666666667

k = 6*66.666666666667 / 20

=  20

So the equation of variation is z = 20x /y

When x = 25 and y = 12:

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6 0
3 years ago
Emma is buying e number of tomato plants, and Frank is buying f number of tomato plants. Each plant costs $7. Emma is
ehidna [41]

Answer:

( 7e + f ) - 25 = total

Step-by-step explanation:

(Emma + Frank) - Coupon = TOTAL

( 7e. + f ) - 25 = TOTAL

3 0
2 years ago
Compute the total and annual return on the following investment Two years after paying 53500 for shares in a startup company you
wel

Answer:

-46.91%

Step-by-step explanation:

Given:

Cost of buying the shares = $53,500

Selling cost of the shares = $3,300

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Now,

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or

Rate of return = \frac{\textup{-25100}}{\textup{53,500}}\times100

or

Rate of return = -46.91%

4 0
3 years ago
Which number sentence is true?
kiruha [24]

Answer:

The answer is B: -56.8 3.2 = 17.75

5 0
3 years ago
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Carly wants to buy some notebooks that cost $3.50 each. She has $20 to spend. She set up this inequality to find out how many no
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Answer:

B.

Step-by-step explanation:

You have to use the number in the variable to figure out if the number multiplied by 3.5 goes over 20 dollars. The highest you can go without going over 20 dollars is 5 notebooks

4 0
3 years ago
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