3 years ago

Find the value of x x<-1 and x>1

Mathematics

1 answer:

vodka [1.7K]3 years ago

7 0

Answer:2

Step-by-step explanation: pretty simple, trust me :)

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Dovator [93]

Answer:

you are asking what dont understand

Step-by-step explanation:

6 0

3 years ago

Express the linear equation 3=2x in the form of ax+by+c=0 indicate the value of a,b and c

fomenos

Answer:

0x^2 + 2x -3 = 0

a = 0

b = 2

c = -3

Step-by-step explanation:

3 = 2x

0 = 2x - 3 (move three to other side)

0x^2 + 2x -3 = 0 (Finish off the equation by adding zeros in the empty spots to make the eeqution ax^2 + bx + c = 0)

a = 0

b = 2

c = -3

4 0

2 years ago

A survey asks a random sample of 2500 adults in California if they support an increase in the state sales tax from 7.50% to 7.75

Nadusha1986 [10]

Answer:

$E(Y) = 750$

Step-by-step explanation:

Given

Sample Size = 2500

Percentage = 30%

Required

Calculate Mean of Y

Mean or Expected Value is calculated as thus;

$E(Y) = np$

Where E(Y) represents the mean

n represents the sample size (or population)

p represents the success probability

$n = 2500 ; p = 30%$ %

$p = \frac{30}{100} = 0.3$

So,

$E(Y) = 2500 * 0.3$

$E(Y) = 750$

Hence, the mean value of Y is 750

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2 years ago

There were 3 fireworks shows last year. There were 3098 people at the first show, 5922 people at the second show, and 7024 peopl

timama [110]

$3098 + 5922 + 7024$
16, 044 would be your answer

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3 years ago

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Twice x, plus 6, is the same as -6

LiRa [457]

I think so???????????

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