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Sergio039 [100]
3 years ago
9

Write a short statement that expresses a possible relationship between the variables. (size of file, time to download the file)

Mathematics
1 answer:
jeka943 years ago
5 0

Answer: Here we got as variables the size of a file and the time needed to download that file. So the size is the independent variable and the time is the dependent variable. (because the time will depend on the size of the file).

A relationship between these two can be of the form:

The time needed to download a file is proportional to the size of the file.

This can be written as : T(w) = A*w

where T is time, w is the weight of the file and A is a proportionality constant.

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In a group of Year 9 students, the ratio of boys to girls is 9 : 7. There are 4 more boys than girls in this group. How many stu
KATRIN_1 [288]

Answer: 32

Step-by-step explanation:

There are 18 boys and 14 girls (4 more boys than girls.  32 students total.

7 0
3 years ago
Find two additional roots of P(x)=0.<br><br> 13+sqrt 3 and 7i
vova2212 [387]
So, x = 13, x = √3 and x =7i.

now, recall that for an EVEN radical, there are two possible roots, namely is say √3 is say hmmm some value "a", that means that a*a = √3, however, -a*-a is also √3, therefore, ±√3 are two valid values, and therefore -√3 is another one.

now.... keep in mind that, complex solutions or roots, never come all by their lonesome, their sister is always with them, the conjugate, so, for 7i or namely 0 + 7i, her sister is always around, 0 - 7i, which is the other root.
4 0
3 years ago
The ratio of the circumferences of two circles is 2:3. If the large circle has a radius of 39cm what is the radius of the small
maks197457 [2]
You just multiple my guy. 2:3 is like 2/3. What is 2/3 of 39
39*2/3 = 26
6 0
2 years ago
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Question 2
choli [55]
%6 of the sixth graders are left handed
8 0
3 years ago
Solve equation 3(n - 5) = 7 - 2(n + 1)
AlladinOne [14]

Answer:

n= 4

Step-by-step explanation:

3 multiplied by n is 3n.

3 multiplied by -5 is -15.

so 3n-15= 7-2(n+1)

7-2(n+1) is -2 multiplied by n is -2n and -2 multiplied by 1 is -2.

3n-15=7-2n-2

then move the variables to one side and numbers to the one side.

3n+2n=15+7-2

*If you are moving across the equation the symbols change. Like negative to positive. Division to multiplication.

so 5n=22-2

5n=20

5 multiplied by 4 is 20 so n is going to be 4.

N=4

7 0
3 years ago
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