MATHEMATICS HIGH SCHOOL

Simplify the Following:

3√3 (5 + 3√2 )

Answers

Answer 1

Answer:

Answer: 15√3 + 9√6

Step-by-step explanation:

3√3 (5 + 3√2 )

= 3√3 x 5 + 3√3 x 3√2 (Apply the distributive rule. a(b+c) = ab+ac)

= 15√3 + 9√6 (Multiply the radicands, then multiply the constants. No mixing)

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An unknown number y is 15 more than an unknown number x. The number y is also x less than 8. The equations to find x and y are shown below. y = x + 15
y = −x + 8

Which of the following statements is a correct step to find x and y?
Answers:
Multiply the equations to eliminate y.

Add the equations to eliminate x.

Write the points where the graphs of the equations intersect the x-axis.

Write the points where the graphs of the equations intersect the y-axis.

Answers

Add the equations to eliminate x.

y = x + 15
y = −x + 8

2y = 23

y = 11.5

All right, if I remember correctly... You have to add the equations to eliminate x.

Now, how you do that... let me search my memory for that xDDDD

If we buy 20 pickles, what is the experimental probability of winning 5 or more tickets?

Answers

The experimental probability of winning 5 or more tickets is 90%

How to determine the probability?

To do this, we simply add the probability values of the bars that have a value of 5 or more

So, we have:

P(x >= 5) = (5 + 8 +17 + 19 + 20 + 21)%

Evaluate the sum

P(x >= 5) = 90%

Hence, the experimental probability of winning 5 or more tickets is 90%

Answers

Answer:

B) AD=30m

Step-by-step explanation:

AG:AD=2:3

Given AG=20m

Then;

$20:AD=2:3$

Rewrite as ratio to get;

$(20)/(AD)=(2)/(3)$

Cross multiply;

$2|AD|=3* 20$

$2|AD|=60$

Divide through by 2;

$|AD|=30$

Y=-3/4x+1 find the slope and y-intercept

Answers

$The\ slope-intercept\ form:y=mx+b\n\nm\ is\ the\ slope\nb\ is\ y-intercept\n=============================\ny=-(3)/(4)x+1\n\nthe\ slope:m=-(3)/(4)\n\ny-intercept:b=1$

y=mx+b

y = 3/4x +1

Slope = 3/4
Y-intercept = 1

(n-3)(n-5)what's the equivalent

Answers

Lets expand the expression using the FOIL method
FOIL=First,Outer,Inner,Last

We'd start by multiplying the first numbers in each parenthesis by eachother:

(n-3)(n-5)
n*n=n²

Now the outer two values...

(n-3)(n-5)
-5n

The inner two values

(n-3)(n-5)
-3n

And the last two values
(n-3)(n-5)
-3*-5=15

Now just put all of the expressions together...

n²-5n-3n+15
simplify
n²-8n+15

Answer=n²-8n+15

Help i need help with this question.