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2 years ago

What are the solutions of 3x? - x +4- 0 ?

Mathematics

2 answers:

ss7ja [257]2 years ago

8 0

Answer: B

Hope this helps :)

Karolina [17]2 years ago

6 0

Answer:

We can use quadratic formula

a=3, b= -1, c=4

Step-by-step explanation:

You might be interested in

What’s the slope of this graph?

Dmitry [639]

Answer:

-1/2

Step-by-step explanation:

This is a negative slope so therefore the final answer is negative. You can use rise over run since a graph is provided. Start from point (0,3) count down until you get to the line if the second point. That would be 2 down...then you count across to the point. That's 4. The slope is -2/4 but simplified is -1/2.

4 0

1 year ago

Which expression is equivalent to (2x − 3)(x + 4) ?

sergey [27]

Answer:

Step-by-step explanation:

2x2 + 8x - 3x - 12

2x2 + 5x - 12 is equivalent to the given expression

7 0

2 years ago

Read 2 more answers

Supposed out of every 20 students are absent from school less than 5 days a year. Predict how many students would be absent from

Mademuasel [1]

15,000 ????????????????

7 0

2 years ago

Use the function f(x) = x2 + 6x + 6 and the graph of g(x) to determine the difference between the maximum value of g(x) and the

Bingel [31]

The answer is 15,

because F(X)'s minimum value is (-3, -3)

and G(X)'s maximum value is (12, 3)

So when you subtract -3 from 12, you get a number that is greater then both. (because of the negative 3)

12 - (-3) = 15

5 0

2 years ago

You are planning on applying to the Knirhsdaeh institute as a psychology counselor. They hire millions of psychologists around t

elena-14-01-66 [18.8K]

Answer:

The 98% of the confidence interval for the true average salary of Knirhsdaeh employees as a psychology counselor

(75.4206, 86.5794)

Step-by-step explanation:

Step(i):-

Given that the mean of the sample = $81 k

Given that the size of the sample 'n' = 23

Given that the standard deviation for the salaries is $13 k

Step(ii):-

98% of the confidence interval for the true average salary of Knirhsdaeh employees is determined by

 $(x^{-} - t_{0.02} \frac{S.D}{\sqrt{n} } , x^{-} + t_{0.02} \frac{S.D}{\sqrt{n} })$ 

Degrees of freedom = n-1 = 23-1 =22

 $t_{0.02} = 2.5083$ 

$(81 - 2.0583 \frac{13}{\sqrt{23} } , 81 + 2.0583 \frac{13}{\sqrt{23} } )$

( 81 - 5.57940 , 81 + 5.57940)

(75.4206, 86.5794)

Final answer:-

The 98% of the confidence interval for the true average salary of Knirhsdaeh employees as a psychology counselor

(75.4206, 86.5794)

7 0

2 years ago