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3 years ago

Ben's family left for vacation after his dad came home from work on Friday. The entire trip was 600 mi. Dad was

Mathematics

1 answer:

erastova [34]3 years ago

8 0

The dad had 6 more hours remaining to drive

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2x + 8y = 6 5x + 20y = 15 I there a solution , no solution , or many solution ?

WARRIOR [948]

Answer:

1 solution

Step-by-step explanation:

Solution is, x=3-4y

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3 years ago

I need help with this

9966 [12]

Answer:

$2.75

Step-by-step explanation:

You would divide the total (13.75) by the amount of crayons he got (5 packs) and you get your answer.

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3 years ago

Please help me! Thank you

Maru [420]

Step-by-step explanation:

5⁰= 1

2–3 means 1/2³

1/8

=0.125

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3 years ago

The rational parent function is f(x)= 1/x

algol [13]

F(x)= -(1/x-5)+2. I hope this helps

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3 years ago

A ladder 10 feet long rests against a vertical wall. Initially, the top of the ladder is 8 feet above the ground. If the top of

lora16 [44]

Step-by-step explanation:

Let vertical height of ladder from ground be y and

horizontal distance of the base of the ladder from the wall be x respectively.

Length of the ladder = l (constant) = 10 ft

Using Pythagoras theorem:

${l}^{2} = {y}^{2} + {x}^{2}$

Differentiate both sides w.r.t time

$0 = 2y \frac{dy}{dt} + 2x \frac{dx}{dt}$

$y \frac{dy}{dt} + x \frac{dx}{dt} = 0$

We know that (After 1 sec, y = 6 ft and x = 8 ft ; dy/dt = 2 ft/sec)

$6\times 2 + 8\frac{dx}{dt} = 0$

$\frac{dx}{dt} = - 1.5 ft \: per \: sec$

( Ignore - ive sign)

Therefore, bottom of the ladder is sliding away from the wall at a speed of 1.5 ft/sec one second after the ladder starts sliding.

8 0

3 years ago