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romanna [79]
3 years ago
8

Which of these systems of equations shows the solution for the graph?

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0

Answer:

C)

Step-by-step explanation:

Note that one of the lines is simply y=-1 for any x, so we can dismiss the only answer without y=-1. That rejected answer is A)

Now let's notice, that the other line is decreasing y when increasing x. That tells us that in the equation y = ax + b, a has to be negative. This brings us to reject option D).

What is the y of that line for x = 0? Because y = ax + b, for x = 0 we will get the value of b. This is called the intercept. The line is at y=4 for x=0, so we know that the b in the equation must be positive 4. This fits answer C, but rejects answer B). And so, we have found that C) is the only possible answer.

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Jabo is standing next to a building. Jabo is 6.25 feet tall, and cast a shadow that 14 feet long. If the building cast a shadow
stich3 [128]

Answer:

64.286ft

Step-by-step explanation:

6.25-->14

x-->144in=12ft im going to asume you meant 144ft or that would be a very small building

14/6.25=2.24ft shadow for 1 real foot

144/2.24=about 64.286ft

5 0
3 years ago
is the product of a fraction that is greater than one and any whole number less than or greater than the whole number?Explain yo
katovenus [111]
Greater because the product of the fraction is greater than 1

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Explain how to divide 3/4 ÷ 3/8 by using reciprocal of 3/8​
sertanlavr [38]

The reciprocal of 3/8 would be 8/3 (basically reversing the numbers).

When dividing fractions, you can just multiply the first fraction by the reciprocal of the second fraction instead of dividing by the second fraction.

3/4 ÷ 3/8

= 3/4 × 8/3

Simplifying gives us the final answer:

= 2

Let me know if you need any clarifications, thanks!

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3 years ago
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loris [4]
Multiplying or dividing two related quantities by the same number is called scaling
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