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Mariulka [41]
3 years ago
7

Find all real zeros of the function y=-6x-5

Mathematics
2 answers:
prisoha [69]3 years ago
8 0

The answer is a. -5/6

lubasha [3.4K]3 years ago
5 0

Answer:

x=-\frac{5}{6}

Step-by-step explanation:

We have been given an equation y=-6x-5. We are asked to find all real zeros of the equation.

To find zeros of an equation, we substitute y=0 in the given equation.

0=-6x-5

Switch sides:

-6x-5=0

-6x-5+5=0+5

-6x=5

\frac{-6x}{-6}=\frac{5}{-6}

x=-\frac{5}{6}

Therefore, x=-\frac{5}{6} is zero for our given equation.

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A company is paying a local television station to run its commercials. The cost for running commercials is a one-time campaign f
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It represents the one-time campaign fee 500.

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Read 2 more answers
Tobi scored 145 on an iq test with a mean of 100 and a standard deviation of 15. what is her z score?
Andreas93 [3]

Z-score if Tobi scored 145 on an iq test with a mean of 100 and a standard deviation of 15 is 3.

According to the given question.

Tobi scored 145 marks on an iq test.

⇒ x = 145

Mean, μ = 100

Standard deviation, σ = 15

As we know that,

A Z-score is a numerical measurement that describes a value's relationship to the mean of a group of values.

And it is calculated by formula

Z = x -μ/σ

Where,

Z is a Z-score

μ is mean

x is the observed value

Therefore,

The Z-score if Tobi scored 145 on an iq test with a mean of 100 and a standard deviation of 15

= 145 - 100/15  

= 3

Hence,Z-score if Tobi scored 145 on an iq test with a mean of 100 and a standard deviation of 15 is 3.

Find out more information about Z-score here:

brainly.com/question/15016913

#SPJ4

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2 years ago
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