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3 years ago

I’m not great with graphs, photo attached

Mathematics

2 answers:

maria [59]3 years ago

8 0

Answer:

Option 2

Step-by-step explanation:

The quantities are not proportional because the line of the graph is both passing through the origin. It might have been proportional if it was passing through the origin.

tamaranim1 [39]3 years ago

5 0

Answer:

Second option is the correct choice.

Step-by-step explanation:

The graph doesn't pass through origin neither it represents proportion between two quantities represented in the graph.

Best Regards!

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If you divide 87 by X and you get 16 what is X?

Anon25 [30]

X would be 1392. All you do is the opposite: multiplication! 87*16=1392.1392/87=16. Hope this helps! ^_^

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4 years ago

Factorise : 64a cube minus 27b cube minus 144a square b plus 108ab square .

Svetlanka [38]

Answer:

$16a(4a^2-9a)+27b^2(4a-b)$

Step-by-step explanation:

The question is not properly formatted, here is a good format for proper understanding and readability

$64a^3-27b^3-144a^2+108ab^2$

let us first collect/ group like terms

$64a^3-144a^2+108ab^2-27b^3$

we can now bring out the common factors we have

$16a(4a^2-9a)+27b^2(4a-b)$

<em>The simplified expression is </em>

$16a(4a^2-9a)+27b^2(4a-b)$

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3 years ago

Witch of the following is closest to 27.8 X 9.6 is it 280, 2800, 300, or 3000

HACTEHA [7]

The Answer Is 280.. Hope This Helps

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4 years ago

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You have a jar of marbles with 7 red, 12 blue, 6 yellow, and 9 white. What is the probability of selecting a marble that is not

Schach [20]

Answer:

The probability of selecting a marble that is not red, replacing it and then one that is white is 0.2102

Step-by-step explanation:

Number of red marbles = 7

Number of blue marbles = 12

Number of yellow marbles = 6

Number of white marbles = 9

Total marbles = 7+12+6+9=34

Probability of selecting red marble = $\frac{7}{34}$

Probability of selecting no red marble = $1-\frac{7}{34}=\frac{27}{34}$

Now replacing it one marble is drawn again

So, Probability of getting white marble $=\frac{9}{34}$

So,the probability of selecting a marble that is not red, replacing it and then one that is white = $\frac{27}{34} \times \frac{9}{34}=0.2102$

Hence the probability of selecting a marble that is not red, replacing it and then one that is white is 0.2102

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3 years ago

What does "rationalizing" the denominator mean?

svetlana [45]

Answer:

It simply means getting rid of the square root or radical in the denominator

Step-by-step explanation:

Rationalizing the denominator simply means getting rid of the square root or radical symbol in the denominator thereby making the denominator to be just a whole number.

For example if we want to rationalize the denominator in; 3/√2

We will multiply the numerator and the denominator by √2 to get rid of the radical in the denominator which is the square root sign.

Thus;

(3/√2) × (√2)/(√2)

This gives;

(3√2)2

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3 years ago

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