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2 years ago

1/3 of 2 feet= inches

Mathematics

1 answer:

Gre4nikov [31]2 years ago

7 0

Answer: 8 inches

Step-by-step explanation:

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Twenty years ago a small town in Texas had a population of 10,000. The population has increased 8% each year since then. What eq

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Answer:

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2 years ago

How do you graph -2x+y=8

jek_recluse [69]

Answer:

1. Convert the equation into point-slope form. (y=mx+b)

-2x+y=8 becomes y=2x+8

2. We can identify 8 as our y-intercept so plot 8 on the y-axis.

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1 year ago

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Help please, special right triangles, find the value of each variable

Rina8888 [55]

Y= 10 -/ 2
x= 10

Explanation:

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2 years ago

Is –2.6, greater or less than –2.16?

egoroff_w [7]

-2.6 is less than -2.16.

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2 years ago

Two cars left the city for a suburb, 480 km away, at the same time. The speed of one of the cars was 20 km/hour greater than the

mario62 [17]

Time taken by car A = 6 hr and time taken by car B is 8 hours

Explanation:

Given:

Distance, d = 480 km

Let x be the time taken by B to reach the destination:

So,

Time taken by car A to reach the destination = x -2

We know:

Distance = speed X time

speed = $\frac{distance}{time}$

On substituting the value we get:

Speed of car A = $\frac{480}{x - 2}$

Speed of car B = $\frac{480}{x}$

Since car A travelled 20 km/hr faster than the car B, the equation becomes:

$\frac{480}{x-2} = \frac{480}{x} + 20$

Multiplying both sides by (x - 2) we get:

$480 = \frac{480(x-2)}{x}+ 20(x-2)\\ \\480 = \frac{480x - 960}{x} + 20x - 40\\\\480 = \frac{480x - 960 + 20x^2 - 40x}{x} \\\\480x = 20x^2 + 440x - 960\\\\20x^2 - 40x - 960 = 0\\\\x^2 - 2x - 48 = 0\\\\x = 8$

Therefore, time taken by car A = x - 2

= 8 - 2 hr

= 6 hr

Time taken by car B = 8 hr

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2 years ago

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