If f(x)=3x+5 and q(x)=0, show that f(x)+q(x)=f(x).

Mathematics

1 answer:

alex41 [277]3 years ago

8 0

Step-by-step explanation:

f(x)=3x+5
q(x)=0

f(x)+q(x)

➜3x+5+0

➜3x+5

➜f(x)

<h3>Hence proved</h3>

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Step-by-step explanation:

there is no diagram here.

I assume that the race track is a rectangle in the middle and two half-circles at the left and right ends, and that the length of the rectangle is D = 2R. which makes the rectangle actually a square, as the width is the diameter of the (half-)circles, which is also 2R.

Sonic ran the track 5 times in 10 seconds with a speed of 321 m/s.

that means he ran 10×321 m in 10 seconds = 3210 m.

so, 5 times the track is 3210 m, which means that the track itself is 3210/5 = 642 m long.

and based on the assumptions above the track consists of 2 times the length of the rectangle (or square), and the full circumference of a circle with radius R (2 half-circles make one full circle).

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so, we have then

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and that is rounded 62.5

so, the second answer option is correct.

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2 years ago

Read 2 more answers

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Answer:

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Step-by-step explanation:

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