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Katarina [22]
3 years ago
6

The _____ is a measure of variability that is simply the difference between the highest score and the lowest score. variance sta

ndard deviation median range
Mathematics
2 answers:
Ainat [17]3 years ago
8 0

The answer to this is range! Because when you are figuring out the range, you subtract the lowest score from the highest score. Good luck on your test!

Mila [183]3 years ago
3 0
The correct answer is range.  Another way of describing this is the distance from the beginning of the data to the end.  The calculation that we do to find this distance is subtraction.
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9) Craig earns the same amount
Sloan [31]

<u><em>Answer:</em></u>

Craig earns $1,200 each month

<u><em>Explanation:</em></u>

We are given that Craig pays a total of $720 each year for his telephone service

We also know that a year has 12 months

<u>This means that:</u>

Craig pays \frac{720}{12}= 60 dollars each month for his telephone services

We are given that the monthly phone bill is \frac{1}{20} of his monthly earnings

Assume that his monthly payment is x

<u>We have:</u>

\frac{1}{20}x = PhoneBill\\ \\ \frac{1}{20}x = 60\\ \\   x=60*20 = 1200 dollars

Hope this helps :)

6 0
3 years ago
1. Edward goes to the store for back to school shopping. He buys 4 new
creativ13 [48]
Each shirt costs 8 dollars.
4 Shirts 1 Pant
1 Pant=20 dollars
52 (total)-20=32
4shirts divides by 32= 8
So 8 dollars per shirt
5 0
3 years ago
What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest radical form? Quadratic formula: x = StartFraction neg
Harman [31]

Answer:

x=\frac{-5(+/-)\sqrt{5}} {2}

x = StartFraction negative 5 plus or minus StartRoot 5 EndRoot Over 2 EndFraction

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

f(x)=x^{2} +5x+5  

equate the function to zero

x^{2} +5x+5=0  

so

a=1\\b=5\\c=5

substitute in the formula

x=\frac{-5(+/-)\sqrt{5^{2}-4(1)(5)}} {2(1)}

x=\frac{-5(+/-)\sqrt{5}} {2}

therefore

x = StartFraction negative 5 plus or minus StartRoot 5 EndRoot Over 2 EndFraction

6 0
3 years ago
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Step-by-step explanation:

3 0
2 years ago
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in an equilateral triangle abc , d is the midpoint ofcab and e is the midpoint of of ac . then ar triangle abc : ar triabgle ade
ololo11 [35]

In ΔABC, D and E are the midpoints of AB and AC respectively. We know that the ratio of areas of two similar triangles is equal to the ratio of square of their corresponding sides. Hence, the ratio of the areas ΔADE and ΔABC is ar(ΔADE) : ar(ΔABC) = 1 : 4.

3 0
2 years ago
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