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3 years ago

How do u graph 4x-3<9

Mathematics

1 answer:

Olegator [25]3 years ago

3 0

Solve for x:

$4x-3 < 9\ \ \ \ |+3\\\\4x < 12\ \ \ \ |:4\\\\x < 3$

Look at the picture.

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Write the equation in standard form using integers.

ikadub [295]

Standard form is Ax +By =c

y = -4/5 x -7

multiply by 5

5y = -4x -35

add 4x to each side

4x +5y = -35

multiply by -1

-4x -5y = 35

Choice D

6 0

3 years ago

The time between arrivals of taxis at a busy intersection is exponentially distributed with a mean of 10 minutes. (a) What is th

Sindrei [870]

Answer:

a) 0.0025

b) 0.9975

c) 23.03 minutes

d) 23.03 minutes

Step-by-step explanation:

Let X be the random variable that measures the time waited for a taxi.

If X is exponentially distributed with a mean of 10 minutes,then the probability that you have to wait more than t minutes is

$\large P(X>t) = e^{-t/10}$

1 hour = 60 minutes, so the probability that you wait longer than one hour is

$\large P(X>60)=e^{-6}=0.0025$

Due to the “memorylessness” of the exponential distribution, the probability that you have to wait 10 or less minutes after you have already waited for one hour, is the same as the probability that you have to wait 10 or less minutes

$\large P(X\leq 10)=1-e^{-6}=0.9975$

We want x so that

P(X>x)=0.1

$\large e^{-x/10}=0.1\rightarrow -x/10=ln(0.1)\rightarrow x=-10ln(0.1)=23.03\;minutes$

We want P(X<x)=0.9

$\large 1-e^{-x/10}=0.9\rightarrow e^{-x/10}=0.1\rightarrow x=-10ln(0.1)=23.03\;minutes$

4 0

3 years ago

Sin(73) = cos (x) pls help lol

viva [34]

X = 17+360n, 343+360n

5 0

3 years ago

What type of number is

eimsori [14]

Answer:

A) rational number

Step-by-step explanation:

56 is a rational number because it can be expressed as the quotient of two integers like 56 ÷ 1.

6 0

3 years ago

Read 2 more answers

What is the value of x in the equation below? -3-(-8)-(-2) = x O-13 O9 O 3 O 7

posledela

Answer:

Step-by-step explanation:

4 0

3 years ago