3 years ago

Solve by completing the square: +12x-13=0

Mathematics

1 answer:

max2010maxim [7]3 years ago

5 0

Answer:

Simplified :

x = 13/12

(Mixed number) :

x = 1 1/12

Step-by-step explanation:

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in 3000 repetitions of an experiment, a random event occurred in 500 acres. The expected probability of this event is?

scZoUnD [109]

Roughly in the 20% percentile.<span />

6 0

3 years ago

1. The position of a particle moving along a coordinate axis is given by: s(t) = t^2 - 5t + 1. a) Find the speed of the particle

zimovet [89]

Answer: $\left | 2t-5\right |,\ 2,\ 2t-5$

Step-by-step explanation:

Given

Position of the particle moving along the coordinate axis is given by

$s(t)=t^2-5t+1$

Speed of the particle is given by

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=\left | 2t-5\right |$

Acceleration of the particle is

$\Rightarrow a=\dfrac{dv}{dt}\\\\\Rightarrow a=2$

velocity can be negative, but speed cannot

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=2t-5$

3 0

3 years ago

The circumference of the earth is 2.4x109 miles. if you traveled at an average of 8.5x10 miles per hour, how long would it take

pshichka [43]

Answer:

282 hr <======= see below

Step-by-step explanation:

Distance / rate = time

2.4 x 10^9 mi / 85 m/hr = 28235294 hr

You must have left the power of 10 off of your speed

probably should be 8.5 x 10^6 perhaps? then answer is 282

<h3>If speed was 8.5 x 10^5 then answer becomes ~ 2820 </h3>

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2 years ago

Please help 15 points<br> x2≥−4

Nutka1998 [239]

Answer:

Solve for

by simplifying both sides of the inequality, then isolating the variable.

Step-by-step explanation:

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3 years ago

(True or False) 17/20 is equivalent to 85%

34kurt

The answer is true!!

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3 years ago

Read 2 more answers