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3 years ago

9

a drivet who drives at a speed of r mph for t hr will travel a distance d mi giveb by d = rt mi. how far will a driver travel at

a speed of 59mph for 5 hrs

1 answer:

Pavel [41]3 years ago

8 0

D = RT ,
D = 59 × 5
D = 295 m

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Miguel biked 14 km in the same amount of time that linda hiked 10 km. Miguel's rate was 4 km/h more than linda's. How fast did e

matrenka [14]

The first thing we must do is define a variable.

We have then:

x: Linda's speed.

Then, by definition, the time traveled is equal to the distance between the velocity.

We have then:

For Linda:

$t = \frac{10}{x}$

For Miguel:

$t = \frac{14}{x + 4}$

Then, since time is the same, then:

$\frac{10}{x} = \frac{14}{x + 4}$

Clearing Linda's speed we have:

$10 (x + 4) = 14x$

$10x + 40 = 14x$

$40 = 14x-10x$

$40 = 4x$

$x = \frac{40}{4}$

$x = 10$

Then, Miguel's speed is:

$x + 4 = 10 + 4 = 14$

Answer:

Linda's speed is 10 Km/h

Miguel's speed is 14 Km/h

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3 years ago

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3 years ago

Which statement about the equation is true x+2=x+4

DENIUS [597]

X cannot be solved.

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3 years ago

Read 2 more answers

Finding values or<br> k(x) = x - 2<br> h(x) = x2 +1<br> (h + k)(2) =

Serjik [45]

Answer:

<h2>(h + k)(2) = 5</h2>

Step-by-step explanation:

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$\bold{METHOD\ 2:}\\\\k(x)=x-2,\ h(x)=x^2+1\\\\(h+k)(x)=h(x)+k(x)=(x^2+1)+(x-2)=x^2+x-1\\\\(h+k)(2)-\text{put}\ x=2\\\\(h+k)(2)=2^2+2-1=4+2-1=6-1=5$

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2 years ago

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aleksley [76]

Mode = 11

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