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2 years ago

Is k6= a solution or non solution

Mathematics

2 answers:

mrs_skeptik [129]2 years ago

6 0

I think it will be a solution. Hope it help!

mina [271]2 years ago

5 0

It's a solution!

Hope i helped ^_^

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Solve 6r + 7 = 13 + 7r

Firdavs [7]

Answer:

r = -6

Step-by-step explanation:

6r + 7 = 13 + 7r

-6r both sides

7 = 13 + r

-7 both sides

r + 6 = 0

-6 both sides

r = -6

8 0

3 years ago

Read 2 more answers

Find the principal (positive) square root of 4. If necessary, round the answer to the nearest hundredth (two decimal places).

Lana71 [14]

The principal square root of 4 is 2

8 0

2 years ago

As x approaches 4, the value of 4x + 3 approaches Gri

gogolik [260]

Answer:

Step-by-step explanation:

$4 \times x + 3 = 4 \times 4 + 3 = 16 + 3 = 19$

3 0

3 years ago

How many and what type of solution(s) does the equation have?

zzz [600]

Answer:

2 irrational solutions.

Step-by-step explanation:

6p^2 = 8p + 3

0 = -6p^2 + 8p + 3

The roots are:

p = (2/3) - (8.5)^(1/2)/3, and

p = (2/3) + (8.5)^(1/2)/3

These are irrational numbers.

There are 2 irrational solutions.

3 0

2 years ago

In a recent year, grade 8 Washington State public school students taking a mathematics assessment test had a mean score of 281 w

sweet-ann [11.9K]

Answer:

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = 0.0217

Step-by-step explanation:

Step(i):-

Mean of the Population (μ) = 281

Standard deviation of the Population = 34.4

Let 'X' be a random variable in Normal distribution

Given X = 290

$Z = \frac{x -mean}{\frac{S.D}{\sqrt{n} } } = \frac{290-281}{4.44} = 2.027$

Step(ii):-

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = P( Z > 2.027)

= 0.5 - A ( 2.027)

= 0.5 - 0.4783

= 0.0217

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = 0.0217

6 0

2 years ago