MATHEMATICS HIGH SCHOOL

Can you help me solve for z

Show your work please

Answers

Answer 1

Answer:

Answer:

$z = (3R)/(2xy^2)$

Step-by-step explanation:

$R = (2)/(3)xy^2z$

$(2)/(3)xy^2z = R$

$(3)/(2xy^2) * (2)/(3)xy^2z = (3)/(2xy^2) * R$

$z = (3R)/(2xy^2)$

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Which of the graphs below represent the function f(x) = x3 − 5x2 + 2x + 8? You may sketch the graph to compare. graph going through x axis at negative 2, positive 1, and 3. Passes through y axis at 6. graph going through x axis at negative 1, positive 2, and 4. Passes through y axis at 8. graph going through x axis at negative 2, positive 1, and 3. Passes through y axis at negative 6. graph going through x axis near negative 2. Passes through y axis at 8.

Answers

The graph of the function f(x) = x³ - 5x² + 2x + 8 passes through y axis at 8. graph going through x axis at -1 , 1, and 3.

What is an equation?

An equation is an expression that shows the relationship between two or more variables and numbers.

The graph of the function f(x) = x³ - 5x² + 2x + 8 passes through y axis at 8. graph going through x axis at -1 , 1, and 3.

Find out more on equation at: brainly.com/question/2972832

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An object is thrown upward at a speed of 121 feet per second by a machine from a height of 8 feet off the ground. The height h of the object after t seconds can be found using the equation h = -16t^2+121 t+8 When will the height be 17 feet?

When will the object reach the ground?

Answers

17=-16t^2+121t+8
16t^2-121t+9=0
this is a quadratic.
it solves to 7.487seconds and 0.075 seconds.

0=-16t^2+121t+8
16t^2-121t-8=0
this solves to 7.628 and -0.066. obviously the time cant be negative so the only real answer is 7.628 seconds

An inequality is shown.12+11/6x≤ 5+3x
Select the statement(s) and number line(s) that can represent the inequality. Click all that apply.
a. The solution set is {6, ∞} for x ∈ R.
b. The solution set is {6, 7, 8, …} for x ∈ N.
c. 6 ≤ x
d. The value of a number substituted for x is greater than 6.
(more options below.)

Answers

The right answer for the question that is being asked and shown above is that: "d. The value of a number substituted for x is greater than 6.; b. The solution set is {6, 7, 8, …} for x ∈ N." These are the statements and number lines that can represent the inequality.

Answer:

Step-by-step explanation:

56y

A merry-go-round has a radius of 10 ft. To the nearest tenth of a foot, what distance does the merry-go-round cover when it rotates through an angle of 72°?For my first try, I got 62.9 as my answer, and it was marked wrong. I did this a second time, and got 12.6. I would like to check with anyone else to see if I got the answer right.

The answers for this question were:

62.9, 12.6, 25.1, or 125.7

Answers

Answer:

12.6

Step-by-step explanation:

The distance covered by the merry-go-round if makes a complete circle (360°) is its circumference:

circumference = 2*π*radius = 2*π*10 = 62.8 ft

This distance corresponds to 360°, for 72°:

62.8 ft / x ft = 360° / 72°

x = (72/360)*62.8

x = 12.6 ft

Yes, the correct answer is 12.6 ft.

Using the formula of arc length, that is
s = rθ
where s = arc length, r = radius, θ = angle (unit must be in radian)
With r = 10 ft and θ = 72 deg ( π/180 deg) = 1.26 rad,
s = (10)(1.26) = 12.6 ft

A storeowner applies a 15% markup to a lamp costing $159. What is the retail price of the lamp