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Roman55 [17]
3 years ago
12

Solve the simultaneous linear equations using substitution method

Mathematics
1 answer:
fgiga [73]3 years ago
8 0
The answer is going to be(2,1)
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Answer:

C is (-18, 24)

Scale factor 1 1/3

A is (9, - 4 1/2)  *4 1/2 is also 4.5

Step-by-step explanation:

When we take a look at image B (-24, -12) and pre image B (-18, -9),

we can work out the scale factor by

(-24/-18) and (-12/-9) both equal 4/3

So using the scale factor to go from the pre image to the image,

We can find C coordinate by multiplying pre image C by the scale factor.

C is (-13.5 x 4/3) and (18 x 4/3)

C is (-18, 24)

The scale factor is 4/3, which is the mixed numeral of 1 1/3.

To find the pre image of point A we divide the image by the scale factor

A is (12/(4/3)) and (-6/(4/3))

A is (9, - 4 1/2)

Hope this helps,

Cate

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3 years ago
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ra1l [238]

Answer:9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999[

99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

Step-by-step explanation:[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[

[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[88888888888888888888888888888888888888

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2.10. Sam is tallying the response cards for an uncor
IgorLugansk [536]

Answer:

Step-by-step explanation:

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Can you help me solve this please
iren2701 [21]
The graph goes through (0, 0), so is a sine function (not a cosine function). The maximum is 1 and the initial slope is negative, so the factor A is -1.

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Your equation is
  y = -1·sin(2x)
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Assume that there are 100 million household in country A, the amount of water an average household uses each month is 4.5*10^4. 40000 <span>gallons per month. Below is the solution:

</span><span>4.5 * 10^12 / 100 * 10^6
0.045 * 10^6  
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