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Darina [25.2K]
3 years ago
12

Write the addition or subtraction shown by the number line

Mathematics
1 answer:
disa [49]3 years ago
5 0

Start at 4.

So far you have: 4

Now you go 7 units left. Going left means a subtraction. Going 7 units left means subtracting 7.

So far you have: 4 - 7

The result is -3.

The subtraction is:

4 - 7 = -3

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Use the GCF to find a new sum for 54+48.<br> _ ( _ + _ )
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Answer: GCF is 6

Step-by-step explanation:

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kogti [31]

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Is 8x-2y=2 a direct or inverse variation
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Answer:

Neither, why... for it to be direct or inverse variation, the model has to fit either y=k/x or y=kx, it may not have a y-intercept at all if it is inverse variation and it must have a y-intercept of 0 for it to be direct variation.

Step-by-step explanation:

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Suppose y varies inversely as x such that xy=3 or y=3x . That graph of this equation shown.

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;

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Mice21 [21]

Given:

The number is \sqrt{-11}.

To find:

The a+bi form of given number.

Solution:

We have,

\sqrt{-11}

It can be written as

\sqrt{-11}=\sqrt{-1\times 11}

\sqrt{-11}=\sqrt{-1}\times \sqrt{11}      [\because \sqrt{ab}=\sqrt{a}\sqrt{b}]

\sqrt{-11}=i\times \sqrt{11}      [\because \sqrt{-1}=i]

\sqrt{-11}=\sqrt{11}i

Here, real part is missing. So, it can be taken as 0.

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