solve M2 + 6m = -8 using quadratic formula??​

Answer:

added 19 and 11

Answer:

Added 19 to each side

Step-by-step explanation:

15x-19=4x+11

Add 19 to each side

5x-19+19=4x+11+19

5x = 4x+30

Answer:

x= 20

Step-by-step explanation:

set up a proportion:

(2x - 4)/24 = 39 / (x + 6)

(2x - 4)(x + 6) = 936

2x^2 + 8x - 24 = 936

x^2 + 4x - 12 = 468

x^2 + 4x - 480 = 0

(x - 20)(x + 24) = 0

x= 20, -24

has to be positive so x = 20

Answer:

\(x=\frac{\sqrt{13}-7 }{18} ,x=\frac{-\sqrt{13}-7 }{18}\)

Step-by-step explanation:

I'm not too good with the quadratic formula so I'm going to complete the square.

First divide everything by 9 and move the 1 to the other side.

\(x^2-\frac{7}{9}=-\frac{1}{9}\)

Then take half of \(\frac{7}{9}\) and square it and add it to both sides.

\(x^2-\frac{7}{9} +\frac{49}{324}=\frac{13}{324}\)

Now you can factor it.

\((x-\frac{7}{18})^2=\frac{13}{324}\)

Square root:

\(x-\frac{7}{18}=\frac{\sqrt{13} }{18}\)

\(x=\frac{\sqrt{13}-7 }{18} ,x=\frac{-\sqrt{13}-7 }{18}\)

The whole race is 12 3/4 kilometers.

The correct equations that represent this question are:

(8 1/2) ÷ 2/3 = ?

2/3 × ? = 8 1/2

(8 1/2) × 3/2 = ?

In this question we have been given Diego has run 2/3 of a race""s distance. He has run 8 1/2 kilometers.

We need to find the  length of the whole race.

Let the whole race be x.

Since Diego has run 2/3 of a race's distance which is 8 1/2 kilometers. The length of the whole race will be given by an equation:

2/3 × x = 8 1/2

x = (8 1/2) ÷ 2/3

x = (8 1/2) × 3/2

x = 17/2 × 3/2

x = 51/4

x = 12 3/4 kilometers.

Therefore, the length of the whole race= 12 3/4 kilometers.

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The choices for given question are given below.

a. The response variable in this experiment is the binding strength. b. The experimental conditions are determined by the type of glue. c. The extraneous variables mentioned are the number of pages and the book's binding type, and other variables to consider include temperature, humidity, application technique, pressure, and drying time.

a. The response variable in this experiment is the binding strength. It is the variable of response variablethat will be measured to determine the effect of different glues.

b. The explanatory variable that will determine the experimental conditions is the type of glue. It is the variable that is manipulated by the experimenter to observe its impact on the binding strength.

c. The two extraneous variables mentioned in the problem description are the number of pages in the book and whether the book is being bound as a paperback or a hardback. These variables are not the focus of the experiment but are mentioned as factors that may potentially affect the binding strength.

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Answer:

arcsin function

Step-by-step explanation:

Answer: 23

Step-by-step explanation:

The number of times the last passenger who boarded the ride make a complete loop on the Ferris wheel is 22.

A trigonometric equation is one that involves one or more of the sixs sine, cosine, tangent, cotangent, secant, and cosecant. Some trigonometric equations, like x = cos x, can be solved only numerically, through successive approximations.

Given that, Sine function model: h=-82.5cos3π(t)+97.5 where h is the height of the passenger above the ground measure in feet and t is the time of operation of the ride in minutes.

The duration of the ride is 15 min.

Let the period be T, then we can write:

h=-82.5.cos(2πt/T)+97.5

So, we must have 2π/T =3π or T=2/3 minutes

Number of complete periods

Floor(15/T)=22

Therefore, the number of times the last passenger who boarded the ride make a complete loop on the Ferris wheel is 22.

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"Your question is incomplete, probably the complete question/missing part is:"

The Colossus Ferris wheel debuted at the 1984 New Orleans World’s Fair. The ride is 180 ft tall, and passengers board the ride at an initial height of 15 ft above the ground. The height above ground, h, of a passenger on the ride is a periodic function of time, t. The graph displays the height above ground of the last passenger to board over the course of the 15 min ride.

The duration of the ride is 15 min.

How many times does the last passenger who boarded the ride make a complete loop on the Ferris wheel.

Answer:

\(f(x)=2x+3\)

Step-by-step explanation:

So we know that:

\(f(1)=5 \text{ and } f(3)=9\)

In other words, we have 2 coordinates: (1,5) and (3,9).

With this, we can figure out the slope. Let (1,5) be x₁ and y₁ and let (3,9) be x₂ and y₂. The slope formula is:

\(m=\frac{y_2-y_1}{x_2-x_1}\)

Substitute:

\(m=\frac{9-5}{3-1}\\m=4/2=2\)

So, the slope is 2.

Now, use the point-slope form to figure out the y-intercept. The point-slope form is:

\(y-y_1=m(x-x_1)\)

For consistency, let's continue to use (1,5) as x₁ and y₁. Now, we can use 2 as m. Thus:

\(y-(5)=2(x-1)\)

Distribute:

\(y-5=2x-2\)

Add 5 to both sides:

\(y=2x+3\)

So:

\(f(x)=2x+3\)

And that's our equation :)

First, draw a line segment PQ on a sheet of paper. This line segment should be long enough to accommodate the perpendicular line AB that we want to draw. Label the endpoints of the line segment as P and Q.

To draw a perpendicular line AB to the line segment PQ through the point A, we will need to follow these steps:
1. Draw the line segment PQ on a sheet of paper.
2. Mark the point A on the line segment PQ where we want the perpendicular line to pass through.

3. From the point A, draw a line that is perpendicular to the line segment PQ. This line will intersect PQ at a right angle.
4. Label the point where the perpendicular line intersects PQ as point B.
To describe the construction in more detail, we can use the following steps:

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Answer:

the pic is blocked what the question

Step-by-step explanation:

Answer:

1: volume=4x4x6  96in^3

2:x=5

3: volume=3x7x8  168m^3

4:y=7

Step-by-step explanation:

1: 4x4x6  this is how you set it up

you multiply 4x4 first

4x4=16

then you multiply 16x6

16x6=96

volume is inches cubed

96 in ^3

2: 3*6*x=90  this is how you set it up

you have to isolate the variable

18x=90

divide each side by 18

x=5

3: 3x7x8 this is how you set it up

multiply 7x8 first

3x56

then multiple these two numbers

168

this time is is meters cubed

168m^3

4: 2*7*y=98 this is how you set it up

multiply 2*7 to start isolating the variable

14y=98

divide each side by 14

y=7

i really hope this helps!!!! :) have a good day!

Step-by-step explanation:

multiple the power and real number

Answers;

a) Multiply 2 by 3: 6ab.

b) Multiply \(c^{5}\) by c by adding the exponents: c^6 or \(c^{6}\).

c) Simplify the expression. 10y^7 or \(10y^{7}\).

d) Simplify the expression. 12g^4h^5 or \(12g^{4}h^{5}\).

Answer:

0.390625 grams

Step-by-step explanation:

can i get a second opinion on this

Answer:

x=0, y=2

Step-by-step explanation:

if you substutute the answers you will get the correct answer

Answer:

c

Step-by-step explanation:

a = 48 coins   4 x 6 = 24    3 x 8 = 24     24 + 24 = 48

b = 52 coins   2 x 6 = 12     5 x 8 = 40     40 + 12 = 52

c = 50 coins   3 x 6 =18      4 x 8 = 32      32 + 18 = 50   correct

d = 46 coins   5 x 6 = 30    2 x 8 = 16       30 + 16 = 46

Answer:

i need points rq thanks so much

Step-by-step explanation:

imma go waste these points now

Answer:

x

Step-by-step explanation:

Answer:

the variable is k

Step-by-step explanation: Hope this helps btw can i have brianliest?

Answer:

14x - 4 + 13x + 2

= 14(6) - 4 + 13(6) + 2

= 160

Depending on whether the movement is along the x-axis or the y-axis, the ordered pair would be either (0.25, 0) or (0, 0.25).

To plot an ordered pair starting from the origin and moving 0.25, we need both an x-coordinate and a y-coordinate.

We are starting from the origin (0, 0), we can apply the movement of 0.25 to either the x-axis or the y-axis.

If we move 0.25 units on the x-axis, the x-coordinate of the ordered pair would be 0.25, and the y-coordinate would remain 0 since there is no movement on the y-axis. Therefore, the ordered pair would be (0.25, 0).

Similarly, if we move 0.25 units on the y-axis, the x-coordinate would remain 0 since there is no movement on the x-axis, and the y-coordinate of the ordered pair would be 0.25. In this case, the ordered pair would be (0, 0.25).

So, depending on whether the movement is along the x-axis or the y-axis, the ordered pair would be either (0.25, 0) or (0, 0.25).

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Answer: the error is in the second part 0.12 it should be 1.2 for the answer to be 1.44

Step-by-step explanation:

1.2x0.12 = 0.144

0.12x0.12=0.0144

1.2x 1.2 = 1.44

Answer:

Step-by-step explanation:

Answer:

yum

Step-by-step explanation:

In order to solve this question, we need to use the z-score z of value x, belonging to a normal distribution with mean μ and standard deviation σ.

z is defined as:

In this problem, we have, in pounds:

μ = 8.9

σ = 1.1

PART 1

So, the percentage of domestic house cats that weigh less than 7.8 pounds is:

And from a z-score table, we have:

Therefore, the percentage of domestic house cats that weigh less than 7.8 pounds is approximately 0.1587 or 15.87%.

PART 2

The percentage of domestic house cats that weigh more than 11.1 pounds is 1 minus the percentage of them that weigh less than that:

Therefore, the percentage of domestic house cats that weigh more than 11.1 pounds is approximately 0.0228 or 2.28%.

PART 3

The domestic house cat weighing 9 pounds is in percentile P(x<9):

Therefore, a domestic house cat weighing 9 pounds is in the 54th percentile.

Answer:

This is a type of statistical inference known as a measure of center

1. The given statement "A negative attitude, misperception, and partial hearing loss are all examples of noise in the basic communication process" is True

2. The given statement "Employee motivation and pay satisfaction are major components in Frederick Herzberg's two-factor theory" is True

1) Negative attitude, misperception, and partial hearing loss are all examples of noise in the basic communication process.

Noise refers to any external or internal element that disrupts communication. Communication is the exchange of messages between two or more people, so noise in communication refers to anything that interferes with the exchange of messages.

2)Employee motivation and pay satisfaction are major components in Frederick Herzberg's two-factor theory.

Herzberg's two-factor theory, also known as the motivation-hygiene theory, identifies the two types of factors that affect job satisfaction:

hygiene factors and motivating factors.

Employee motivation and pay satisfaction are examples of motivating factors that contribute to job satisfaction.

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The probability density function (pdf) of the largest of the five waiting times is given by: f(x) = 4/10^5 * x^4, where x is a real number between 0 and 10. The expected value of the largest of the five waiting times is 8.33 minutes.

The pdf of the largest of the five waiting times can be found by considering the order statistics of the waiting times. The order statistics are the values of the waiting times sorted from smallest to largest.

In this case, the order statistics are X1, X2, X3, X4, and X5. The largest of the five waiting times is X5.

The pdf of X5 can be found by considering the cumulative distribution function (cdf) of X5. The cdf of X5 is given by: F(x) = (x/10)^5

where x is a real number between 0 and 10. The pdf of X5 can be found by differentiating the cdf of X5. This gives: f(x) = 4/10^5 * x^4

The expected value of X5 can be found by integrating the pdf of X5 from 0 to 10. This gives: E[X5] = ∫_0^10 4/10^5 * x^4 dx = 8.33

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Answer:

x ≤ 6

Step-by-step explanation:

Hope this helps!