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3 years ago

Write the equation of the line in slope-intercept form using y=mx+b

Mathematics

1 answer:

photoshop1234 [79]3 years ago

8 0

Answer:

y = -x

Step-by-step explanation:

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3 years ago

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The second one is incorrect

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Which of these graphs represents a function

azamat

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3 years ago

The diagram shows a solid shape.

Stolb23 [73]

Answer:

$756\pi$

Solution,

Volume of cone=270 pi cm^3

$\frac{1}{3} \pi \: {r}^{2} = 270\pi \\ or \: {r}^{2} \times 10 = 270 \times 3 \\ or \: {r}^{2} \times 10 = 810 \\ or \: {r}^{2} = \frac{810}{10} \\ or \: {r}^{2} = 81 \\ or \: r = \sqrt{81} \\ or \: r = \sqrt{ {9}^{2} } \\ r = 9 \: cm$

Volume of semisphere:

$\frac{2}{3} \pi {r}^{3} \\ = \: \frac{2}{3} \times \pi \times 9 \times 9 \times 9 \\ = 486\pi$

Total:

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hope this helps...

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2 years ago

The family car runs out of gas. You have to push it up the driveway into a service station. The ramp is 4 meters long and rises

Sophie [7]

Answer:

Step-by-step explanation:

slope, m = 0.1m/4m = 0.025

Theoretical effort (ignoring friction) = 9000N * 0.025 = 225 N

actual effort = 300 N

efficiency

= potential energy out / actual energy in

= 225 N / 300 N = 0.75

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3 years ago

Write the equation of the line in slope-intercept form using y=mx+b​

Write the equation of the line in slope-intercept form using y=mx+b