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boyakko [2]
3 years ago
7

there are five boys and ten girls in mr johnsons gym class.the simplified ratio of boys to girls is 1/2. what does this ratio me

an
Mathematics
1 answer:
inn [45]3 years ago
6 0

Answer:

This ratio means for every boy there are two girls.

There are twice as many girls as there are boys. Backwards, it's there are half as many boys as there are girl.

The simplified ratio is found by reducing the ratio to the lower terms.

5/10 = 1/2

Both sides on the unsimplified ratio are division by 5. When done, it became 1/2.

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elixir [45]
6/10 is greater of course. Hope this helps!
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3 years ago
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A department of transportation's study on driving speed and miles per gallon for midsize automobiles resulted in the following d
dezoksy [38]

Answer:

R = -0.90 (2 decimal places)

Step-by-step explanation:

Given the data :

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30

50

40

55

30

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60

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55

Miles per Gallon :

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The correlation Coefficient, R shows the degree or level of relationship between the dependent and independent variable. A positive R value denotes a positive correlation while a negative R value denotes a negative relationship. R values should range between - 1 to +1 with values close to 1 and - 1 depicting strength while value of zero means no relationship exist.

Hence, R value of -0.90 depicts a strong negative relationship. Hence, higher speed are related to lower miles per gallon and vice versa.

5 0
2 years ago
If x is a positive integer, for how many different values of x is StartRoot StartFraction 48 Over x EndFraction EndRoot a whole
DiKsa [7]

Answer:

For 3 different values of x

Step-by-step explanation:

Here, we want to get the values of x for which

√(48/x) is a whole number

We have to consider that the values of x that will make the expression a whole number must be less than or equal to 48

Also, we have to consider that, the division we have to make must yield a perfect square so as to have a whole number square root

The factors of 48 that can yield a whole number are;

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However, the divisions that can yield a perfect square are

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12 ( yield 4)

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So the numbers of the value of x that can yield a whole number is 3

7 0
2 years ago
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PLEASEEEEEE HELPPPPP!!
DaniilM [7]

Answer:

y-b+am/m

Step-by-step explanation:

y-b=m(x-a)

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mx=y-b+ma

x=y-b+ma/m

4 0
2 years ago
If CB =3(x+8) and AD= 4(x+3), find AB
kkurt [141]

CD=CA+AB+BD

AB=CD-CA-BD

AB=CD-BD-BD

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AB=CD-2(BC+CD)

AB=CD-2BC-2CD

AB=-(CD+2BC)

AB=-{98-6(x+8)}

AB= 6x-50

6 0
2 years ago
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