5. multiply 9x^2(2x^2 8x) a) 18x^4 72x^3 b) 18x^2 72x^3 c) 11x^4 - 17x^3 d) 90x^4

Answers

Answer 1

Answer: 9x^2(2x^2 + 8x) = 18x^4 + 72x^3

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Which point is on the circle described by (x - 2)2 + (y + 3)2 = 4?A. (2, -5)B. (2, 0)C. (0, 0)D. (1, -4)
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Population(year 1845) population(1845) and p(1845) all represent which of the following

Answers

"POPULATION(Year 1845)," "Population(1845)," and "P(1845)" all represent which of the following?
A. The year of the population is 1845.
B. The population of the world in the year 1845.
C. The rate of change of the population in year 1845.

I think the answer is B. The population of the world in the year 1845.

A rectangle’s length is 2 units more than twice its width. Its area is 40 square units. The equation w(2w + 2) = 40 can be used to find w, the width of the rectangle.

Answers

Answer: Value of w is 4 units and the equation is correct.

Step-by-step explanation:

Let width of a rectangle be 'w'.

Let length of a rectangle be '2w+2'.

Since we have given that

Area of rectangle = 40 square units.

As we know the formula for "Area = Length × Breadth" :

So, it becomes,

$40=w(2w+2)\n\n40=2w^2+2w\n\n20=w^2+w\n\nw^2+w-20=0\n\nw^2+5w-4w-20=0\n\nw(w+5)-4(w+5)=0\n\n(w+5)(w-4)=0\n\neither\ w=-5\ or\ w=4$

But dimension can't be negative.

So, w must be 4 units.

Hence, Value of w is 4 units and the equation is correct.

i hope this helps you

What does VII-IX mean?

Answers

VII means 7. VIII means 8. IX means 9. Each are a number from the Roman Numerals.

If the variance of the data values in a population is 324, what is the standard deviation of the data values?A. 14
B. 12
C. 16
D. 18

Answers

Simply the standard deviation of the data values is the square root of the variance: $S= √(V)= √(324)$ =18
Answer: D)18

Answer:

Step-by-step explanation:

A and b are complimentary angles. if m a = (6x+29) and m b = (x-5) then find the value of a.

Answers

Answer:angle a is about 85.57°

Step-by-step explanation:

Since they are complimentary, their sum equals 90° (6x+29+x-5=90°). You use this equation to find the value of x, which is ~ 9.428. After finding the value of x you plug it back in into a’s equation to find the value of a.

The black graph is the graph of y= f(x). Choose the equation for the red graphwhich one: a, b, c, d?

Answers

Answer:

Option C.

Step-by-step explanation:

First, let's define the transformations used here:

We can see that the red graph is shifted horizontally to the right, and that is reflected across the x-axis:

Horizontal shift:

For a general function f(x) an horizontal shift of N units is written as:

g(x) = f(x + N)

where:

If N > 0, the shift is to the left

if N < 0 , the shift is to the right.

Reflection across the x-axis.

For a function f(x), a reflection across the x-axis is just written as:

g(x) = -f(x)

So, if here we have a reflection across the x-axis and a horizontal shift of one unit to the right, we would write the equation for the red graph as:

g(x) = -f(x) (only for the reflection)

g(x) = -f(x - 1) (for the reflection and the shift)

Then the graph of the red function is:

y = -f(x - 1)

We can rewrite this as:

y = -1*f(x - 1)

dividing both sides by -1 we get:

y/-1 = f(x - 1)

This is what we can see in option C, so the correct option is C.

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