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xenn [34]
3 years ago
5

Pls answer this question

Mathematics
2 answers:
kari74 [83]3 years ago
6 0
I don’t know sorry bye!
tekilochka [14]3 years ago
4 0
1st step: Rationalize the denominator
(√3 + √2) x (√3 + √2)+ √3 - √2/√3 + √2 =p+q√6
Rationalizing
(√3 + √2) x (√3 + √2)+ (√3 - √2)x(√3 - √2 )= p+q√6
2nd step: Write the repeated multiplication in exponential form
(√3 + √2)^2 + (√3 - √2)^2 = p+q√6
3rd step: Expand the expression using (a+b)^2=a^2+2ab+b^2
3+2 √6+2+(√3-√2)^2=p+q√6
3+2 √6+2+3-2√6+2=p+q√6
4th step: Remove "+2 √6" and "-2√6" because they're opposites and add up to zero
3+2+3+2= p+q√6
10= p+q√6
5th step: move p to the other side abs change the sign
-p+10= q√6
-p= q√6 -10
6th step: Change signs on both sides of the equation
p= -q√6 +10
7th step: Write p in parametric form
p= -q√6 +10, q ∈ ℝ
Final answer: p= -q√6 +10, q ∈ ℝ
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andrew-mc [135]

The standard is 18% for parties larger than six.

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3 years ago
What arethe coordinates of the following point ​
yarga [219]

Answer:

(a) Lying on both axes-  

Point lying on both axes will lie on origin, so its coordinate is (0,0)

(b) Lying on x-axis and with x-coordinates 4

Since the point lies on x-axis so its y-coordinate is 0, so its coordinate is (4,0)

(c) Lying on y-axis and y-coordinates -3

Since the point lies on y-axis so its x-coordinate is 0, so its coordinate is (0,-3)

7 0
4 years ago
3x−5(x−6)=2(10−x)<br> What does x equal?
quester [9]

Answer:

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Suppose a normal distribution has a mean of 98 and a standard deviation of 6. What is P(x&lt;110)? (The greater than sign is act
kvasek [131]

Using the normal distribution, the probability that x is less than 110 is:

A. 0.975.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given as follows:

\mu = 98, \sigma = 6

The probability is the <u>p-value of Z when X = 110</u>, hence:

Z = \frac{X - \mu}{\sigma}

Z = \frac{110 - 98}{6}

Z = 2

Z = 2 has a p-value of 0.975.

Hence option A is correct.

More can be learned about the normal distribution at brainly.com/question/15181104

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5 0
2 years ago
Consider a circle whose equation is x + y - 2x - 8=0. Which statements are true? Select three options
Mandarinka [93]

Answer:

The standard form of the equation is

{(x   -  1)}^{2}  +  {(y - 0)}^{2} =  {3}^{2}

Step-by-step explanation:

The given circle has equation:

{x}^{2}  +  {y}^{2}  - 2x - 8 = 0

We regroup similar terms to obtain:

{x}^{2} -2x +  {y}^{2}  = 8

We now complete the square to obtain:

{x}^{2} -2x +  {( - 1)}^{2} +  {y}^{2}  = 8 +  {( - 1)}^{2}

{(x   -  1)}^{2}  +  {(y - 0)}^{2} = 9

Or

{(x - 1)}^{2}  +  {(y - 0)}^{2} =  {3}^{2}

This is now of the form:

{(x   -  h)}^{2}  +  {(y - k)}^{2} =  {r}^{2}

which is referred to as the standard form equation of the circle:

4 0
4 years ago
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