leave answer in simplest radical form

Leave Answer In Simplest Radical Form

Answers

Answer 1

Answer:

\(\dfrac{5\pm\sqrt{47}}{6}\)

Step-by-step explanation:

Let's start by setting y to 0 to find the roots of the quadratic.

\(x=\dfrac{5\pm \sqrt{25+12}}{6}=\\\\\dfrac{5\pm\sqrt{47}}{6}\)

Hope this helps!


Related Questions

HELP PLEASE AS SOON AS POSSIBLE WILL GIVE U BRAINLIST

HELP PLEASE AS SOON AS POSSIBLE WILL GIVE U BRAINLIST

Answers

Answer:

The table represents a nonlinear function because the rate is not constant.

Step-by-step explanation:

As shown in the picture below, the x side of the table has the same rate of change of +1. However, due to the fact that the y side does not have the same rate of change, +6 and +3, the table represents a non linear function. If the rate on the y side of the table were all the same, then this would be a Linear function.

HELP PLEASE AS SOON AS POSSIBLE WILL GIVE U BRAINLIST

the position vector of a particle moving in the x-y plane is <2 cos t, 4 sin t> in the interval [0,2pi). for what value(s) of t does the path of the particle have a vertical tangent?

Answers

Answer:

goof job tatatatstfndndbjxx

Tiana shares a granola bar with her brothers. They each get one piece of the bar. What fraction names one part?

Answers

The fraction that names one part of the granola bar shared by Tiana and her 3 brothers is c. 1 / 4.

How to find the fraction ?

Tiana has 3 brothers and they all shared a piece of the granola bar. This means that the number of people who shared the granola bar is:

= Tiana + 3 brothers

= 4 people

With each of them getting a piece of the granola bar, it means that the fraction that names one part of the bar is:
= Number of granola bars / Number of people

= 1 / 4

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The full question is:

Tiana shares a granola bar with her 4 brothers. They each get one piece of the bar. What fraction names one part?

1 / 21 / 81 / 41 / 3

What is the volume of a cylinder with a radius of 2 ft and a height of 8 ft.

Use 3.14 for pi, round your answer to the nearest hundredth if necessary, and do not include units.

Answers

Answer:

100.48

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h where r is the radius and h is the height

V = 3.14 ( 2)^2 * 8

V = 3.14 (4)(8)

V = 100.48

Write the equation of the line in fully simplified slope-intercept form.
-12-11-10-9-
12
11
10
9
R
5
4
2
654-3-2-1
-2
3
4
-5
-6
-8
6
-10
-11
-12
34567 8 9 10 11 12

Write the equation of the line in fully simplified slope-intercept form.-12-11-10-9-1211109R542654-3-2-1-234-5-6-86-10-11-1234567

Answers

The equation of the line in fully simplified slope-intercept form is y = x + 7.

We have,

From the graph,

The coordinates of the line are:

(0, 7), (-7, 0), and (-2, 5).

We can use any coordinates the line touches on the graph.

We will use,

(0, 7) and (-7, 0)

The equation can be written in the form y = mx + c

m = (0 - 7) / (-7 - 0)

m = -7/-7

m = 1 ______(1)

And,

(0, 7) = (x, y)

So,

y = mx + c ______(2)

7 = 1 x 0 + c

7 = c

c = 7 ______(3)

Now,

From (1), (2), and (3).

y = x + 7

Thus,

The equation of the line in fully simplified slope-intercept form is y = x + 7.

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The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2 days. What is the probability of spending between 4 and 7 days in recovery? (Round your answer to four decimal places.)

Answers

Answer:

The probability of spending between 4 and 7 days in recovery

P(4≤x≤7) = 0.5445

Step-by-step explanation:

Step(i):-

Given mean of the Population μ = 5.3 days

Given standard deviation of the population 'σ' = 2 days

Let 'X' be the random variable in normal distribution

Let    x₁ = 4

\(Z_{1} = \frac{x_{1}-mean }{S.D} = \frac{4-5.3}{2} = -0.65\)

Let    x₂ = 7

\(Z_{2} = \frac{x_{2}-mean }{S.D} = \frac{7-5.3}{2} = 0.85\)

Step(ii):-

The probability of spending between 4 and 7 days in recovery

P(4≤x≤7) = P(-0.65≤Z≤0.85)

             =  P(Z≤0.85) - P(Z≤-0.65)

            = 0.5 + A( 0.85) - ( 0.5 - A(-0.65)

            = 0.5 + A( 0.85) -  0.5 +A(0.65)   ( ∵A(-0.65) = A(0.65)

           =   A(0.85) + A(0.65)

          = 0.3023 + 0.2422

         = 0.5445

Final answer:-

The probability of spending between 4 and 7 days in recovery

P(4≤x≤7) = 0.5445

           

A professor of philosophy hypothesizes that an introductory course in logic will affect college students with their other studies. To test this hypothesis, a random sample of 25 first year students is selected. These students are required to complete a logic course during their first year. At the time of graduation, the final GPA is computed or each of these students. The mean GPA for this sample is 2.58 with a SS of 6.

Required:
Can the professor conclude that the grades for the sample were significantly different from the rest of the graduating class, which had an average GPA of 2.33?

Answers

Answer:

NO.

Step-by-step explanation:

The Professor's hypothesis:

An introductory course in Logic will affect college students with their other studies (will affect their Great Point Average - GPA).

25 students are used as the experimental group while the rest of the class are the control group.

The mean GPA in a sample size (SS) of 6 is = 2.58

The mean GPA in the full sample size of 25 would be = 10.75 by crossmultiplying.

This makes me believe the question was written wrongly. I assume SD (standard deviation) of 0.6 instead of SS (sample size) of 6.

Going by this, if standard deviation is 0.6 then the interval within which the GPA of the experimental group (the 25 students) falls is:

[2.58 - 0.6] to [2.58 + 0.6]

= 1.98 to 3.18

The rest of the graduating class (the control group) had a mean GPA of 2.33

Can the professor conclude that the GPA for the sample is significantly different from that of the control group?

The answer is NO because the GPA of the control group falls within the GPA interval of the experimental group!

HELP!!! Find the angle measure.

HELP!!! Find the angle measure.

Answers

Answer:

AOB=40°

COD=90°

BOD=130°

AOD=180°

what is the median of numbers 20,35,28,15,22,36,26

Answers

The median of the given data set is 26.

What is the median?

In statistics and probability theory, the median is the value separating the higher half from the lower half of a data sample, a population, or a probability distribution. For a data set, it may be thought of as "the middle" value.

Given the data set, we need to find the median.

So, let's arrange the numbers from smallest to largest in order to find the median.

\(\sf 15,20,22,26,28,35,36.\)

\(\text{Median}=\sf 26\)

Therefore, the median of the data set is 26.

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please help! find the value of x and y rounded to the nearest tenth !!! choose the correct answer ​

please help! find the value of x and y rounded to the nearest tenth !!! choose the correct answer

Answers

Answer:

the answer is D

Step-by-step explanation:

x = 24.0 , y = 46.4

Need help on this please

Need help on this please

Answers

Answer:

(x+8) ² + \(y^{2}\) = 64

10. Brock bought a bicycle that cost $40.00 when it was new. If he eventually sold it for 10%
of the original cost, how much was it sold for?

Answers

Answer:IT WOULD BE 60.00

Step-by-step explanation:

BC 40 = 60

Odds of an event occurring given probability 1/5

Answers

Answer:

1/4

Step-by-step explanation:

Probability = successes / all events

Odds = successes / failures

If the probability is 1/5, then there's 1 success for every 4 failures.

So the odds are 1/4.

Simplify 12/16 to lowest terms and find an equivalent fraction that has a denominator of 32.
10/00
O
0 / 4

Answers

\(\cfrac{12}{16}\implies \cfrac{4\cdot 3}{4\cdot 4}\implies \cfrac{4}{4}\cdot \cfrac{3}{4}\implies 1\cdot \cfrac{3}{4}\implies \boxed{\cfrac{3}{4}}~\hfill \cfrac{8\cdot 3}{8\cdot 4}\implies \boxed{\cfrac{24}{32}}\)

PLEASE HELP ME
The function f(x) = -2(4)^x+1 +140
represents the number of tokens a child has x hours after arriving at an arcade.
What is the practical domain and range of the function?
If necessary, round to the nearest hundredth.
The practical domain of the situation is ?
The practical range of the situation is ?
PLEASE SEE PHOTO FOR FUNCTION

PLEASE HELP METhe function f(x) = -2(4)^x+1 +140 represents the number of tokens a child has x hours

Answers

The function f(x) = -2(4)ˣ⁺¹ +140 represents the number of tokens a child has x hours after arriving at an arcade. The practical domain and range of the function are x ≥ 0 and The practical range of the situation is [140, ∞).

The given function is f(x) = -2(4)ˣ⁺¹+ 140, which represents the number of tokens a child has x hours after arriving at an arcade.

To determine the practical domain and range of the function, we need to consider the constraints and limitations of the situation.

For the practical domain, we need to identify the valid values for x, which in this case represents the number of hours the child has been at the arcade. Since time cannot be negative in this context, the practical domain is x ≥ 0, meaning x is a non-negative number or zero.

Therefore, the practical domain of the situation is x ≥ 0.

For the practical range, we need to determine the possible values for the number of tokens the child can have. Looking at the given function, we can see that the term -2(4)ˣ⁺¹represents a decreasing exponential function as x increases. The constant term +140 is added to shift the graph upward.

Since the exponential term decreases as x increases, the function will have a maximum value at x = 0 and approach negative infinity as x approaches infinity. However, due to the presence of the +140 term, the actual range will be shifted upward by 140 units.

Therefore, the practical range of the situation will be all real numbers greater than or equal to 140. In interval notation, we can express it as [140, ∞).

To summarize:

- The practical domain of the situation is x ≥ 0.

- The practical range of the situation is [140, ∞).

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z varies directly as √√x and inversely as y. If: = 179 when x=25 and y= 7, find zifx = 64 and y = 4. (Round off your answer to the nearest hundredth.)
z=

Answers

We know that z varies directly as √√x and inversely as y, which can be written as:

z = k(√√x)/y

where k is the constant of proportionality.

To find the value of k, we can use the values given when x = 25 and y = 7:

179 = k(√√25)/7

179 = k(5/7)

k = (179*7)/5

k = 250.6

Now we can use this value of k to find z when x = 64 and y = 4:

z = 250.6(√√64)/4

z = 250.6(2)/4

z = 125.3

Therefore, z ≈ 125.3 when x = 64 and y = 4.

The sum of three numbers is 28,542.two of the numbers are 10,350, and 9,750. Find the third number.

Answers

◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦

                             \(HELLO! :)\)

28,542-10,350-9,750=8,442So the third number  is 8,442Hope this helps! :)\(GraceRosalia\)

e) sp Rs. 110, propit percent =10%,cp
=? ​

Answers

Answer:

the answer of this question is rs99

Convert 2,430 yards to km

Answers

Answer:

2.221992

Step-by-step explanation:

can i have the crown pls ૮ ♡ﻌ♡ა

Answer:

2.221

Step-by-step explanation:

Write the inverse function for the function, ƒ(x) = 1/2 x + 4. Then, find the value of ƒ -1(4). Type your answers in the box.

ƒ -1(x) =

ƒ -1(4) =

Answers

Answer:

\( {f}^{ - 1} (x) = 2x - 8\)

\( {f}^{ - 1} (4) = 0\)

Step-by-step explanation:

\( y = \frac{1}{2} x + 4 = = = > \\y - 4 = \frac{1}{2} x = = = > \\ 2y - 8 = x = = > {f}^{ - 1} (x) = 2x - 8\)

\( \frac{1}{2} x + 4 = 4 = = = > \\ \frac{1}{2} x = 0 = = = > x = 0\)

HURRY PLEASE! I WILL GIVE BRAINLIEST

HURRY PLEASE! I WILL GIVE BRAINLIEST

Answers

Answer:

3

Step-by-step explanation:

simplify 14+(-8)+6+4+(-11)

Answers

the answer to this is 5!

Answer:

5

Step-by-step explanation:

PEMDAS

14-8+6+4-11

14-8=6

6+6=12

12+4=16

16-11=5

What is the answer to these questions?

What is the answer to these questions?

Answers

1) There are 3.4 * 10^1 in Mexico than in Canada.

2) The number of ounces that were consumed is 20.8 * 10^7 ounces

3) The number of ounces of the students at the community college is 1.25 * 10^1 that of the students in the University.

What is scientific notation?

Scientific notation is a way of writing very large or very small numbers using powers of 10. In scientific notation, a number is written as a coefficient multiplied by 10 raised to a power.

1) Ratio of people in Mexico to those in Canada;

1.3 * 10^8/3.8 * 10^7

= 3.4 * 10^1 : 1

2) Number of Ounces consumed by students = 5.2 * 10^4 * 4 * 10^3

= 20.8 * 10^7 ounces

3) Ratio of the number drank by community college to University

= 4 * 10^3/3.2 * 10^2

1.25 * 10^1

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ANSWER FAST!!!
1) which family member ate the most pizza?

2) if the company offered an extra large pizza, how could you find out how much of it a person ate if they cut their own piece with a central angle of M?

ANSWER FAST!!!1) which family member ate the most pizza?2) if the company offered an extra large pizza,

Answers

1. Andy's oldest daughter ate the most pizza. She ate the entire personal pizza, which is 10 inches in diameter

2. If the company offered an extra large pizza, you could find out how much of it a person ate if they cut their own piece with a central angle of M°

How to calculate the value

Andy's oldest daughter ate the most pizza. She ate the entire personal pizza, which is 10 inches in diameter. This means that she ate 100% of the pizza. Andy's wife ate 2/6 of the small pizza, which is 12 inches in diameter. This means that she ate 1/3 of the pizza. Andy's younger daughter ate 1/8 of the medium pizza, which is 14 inches in diameter.

This means that she ate 12.5% of the pizza. Andy cut himself a piece that had a central angle of 180° from the large pizza, which is 16 inches in diameter. This means that he ate 50% of the pizza.

The least amount of pizza was eaten by Andy's younger daughter. She only ate 1/8 of the medium pizza.

2. If the company offered an extra large pizza, you could find out how much of it a person ate if they cut their own piece with a central angle of M° by using the following formula:

Percentage of pizza eaten = (M° / 360°) * 100%

For example, if a person cut themselves a piece of an extra large pizza with a central angle of 180°, they would have eaten 50% of the pizza.

Percentage of pizza eaten = (180° / 360°) * 100% = 50%

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Answer this ASAP pls, I'm hella dumb and to lazy to do this, I'm giving 25 POINTS and mark BRAINLIEST

Answer this ASAP pls, I'm hella dumb and to lazy to do this, I'm giving 25 POINTS and mark BRAINLIEST

Answers

Answer:

47

Step-by-step explanation: if you're add 6 and 7 you get 13 so just add all the numbers and you get the answer

Answer:

\(113m^{2}\)  

I hope this helps!

Which of the following statements with respect to political risk is true?
Oa. Political risk premiums are added to the required rate of return to adjust for political risks.
b. Companies cannot take any steps to reduce the potential from loss from expropriation since a foreign
government is involved.
Oc. The risk of expropriation of U.S. assets abroad is high even in traditionally friendly and stable countries.
Od. A company can reduce political risk by structuring operations so that the subsidiary has value only as a part of the
integrated corporate system.

Answers

a. Political risk premiums are added to the required rate of return to adjust for political risks.

This statement is true. Political risk is the risk of loss in an investment due to political instability or changes in government policy. Companies can adjust for the potential impact of political risk by adding a political risk premium to their required rate of return. This premium compensates investors for the additional risk associated with the investment due to political factors. The size of the premium will depend on the specific country, the nature of the investment, and the perceived level of political risk. Companies can also take steps to reduce political risk, such as diversifying their operations, investing in political risk insurance, or structuring operations to minimize the value of a subsidiary that might be subject to expropriation.

Wilbur landed his plane.
The plane's elevation relative to the ground (in meters) as a function of time (in seconds) is graphed.
How long was each descent by meters

Wilbur landed his plane.The plane's elevation relative to the ground (in meters) as a function of time

Answers

Answer:

Each decent was 500 meters

Step-by-step explanation:

I found the slope

Each decent was 500 meters.

What is the Slope?

The slope is a line that defines the direction and the steepness. Slope is defined in many ways. Slope is also equal to tanQ additionally, slope = dy/dx

How to determine?

Finding the slope :

8000/1600=5

1000/200=5.

Each decent was 500 meters.

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12. The expression x ^ 2 + 2x - 15 can be written in factored form as (x - 3)(x + m) where m represents a numberWhat is the value of m

Answers

Answer:

m = 5

Step-by-step explanation:

A quadratic function is in the form \(ax^{2} +bx+c\).

To factor an equation, you are looking for two numbers that multiply to c (are factors of c), and add to b. In this case, c = -15, and b = 2.

The factors of -15 include 1, 3, 5, 15, -1, -3, -5, and -15.

After looking through the possible combinations, we can come to the conclusion that the only factors that multiply to -15 and add to 2 are 5 and -3, as 5 x -3 = -15, and 5 + -3 = 2.

You can now plug these numbers into the factored form (x + factor1)(x + factor2).

This then becomes (x + -3)(x + 5) or (x - 3)(x + 5).

Therefore, m = 5.

What is 384893x8 bsnqnwvabna

Answers

Answer:

3079144

Step-by-step explanation:

A tank with capacity of 300 gal of water originally contains 200 gal of water with 100 lb of salt in solution. Water containing 1 lb of salt per gallon is entering at a rate of 3 gal/min, and the mixture is allowed to flow out of the tank at a rate of 2 gal/min. Let Q(t) lb be the amount of salt in the tank, V(t) gal be the volume of water in the tank. Find the amount of salt in the tank at any time prior to the instant when the solution begins to overflow. Q(t)

Answers

Answer:

The amounts of salt in the tank at any time prior to the instant when the solution begins to overflow is.

        \(Q(t)=-\frac {4\times 10^6}{(200+t)^2}+200+t\)

Step-by-step explanation:

Let Q(t) be the  amount of salt in the tank at any time \(t\).

Then, its time of change, \(Q'(t)\) by (Balance law).

Since three gallons of salt water runs in the tank per minute, containing \(1\) lb of salt, the salt inflow rate is

                              \(3\cdot 1=3\)

The  amount of water in the tank at any time \(t\) is,

                     \(V(t)=200+(3-2)t=200+t,\)

Now, the outflow is \(2\) gal of the solution in a minute. That is \(\frac 2{200+t}\) of the total solution content in the tank, hence \(\frac 2{200+t}\) of the salt salt content \(Q(t)\), that is \(\frac {2Q(t)}{200+t}\),

Initially, the tank contains \(100\) lb of salt,

Therefore, we obtain the initial condition   \(Q(0)=100\)

Thus, the model is

                   \(Q'(t)=3-\frac {2Q(t)}{200+t}, \;\;Q(0)=100\)

                 \(\Rightarrow Q'(t)+\frac {2}{200+t}Q(t)=3, \;\;Q(0)=100\)

            here, \(p(t)=\frac 2{200+t}\;\; \text{and}\;\; q(t)=3\) Linear ODE

So, the integrating factor is

      \(e^{\int pdt}=e^{2\int \frac{dt}{200+t}=e^{\ln(200+t)^2}=(200+t)^2\)

and the general solution is

            \(Q(t)(200+t)^2=\int q(t)(200+t)^2dt+c\)

          \(\Rightarrow Q(t)=\frac 1{(200+t)^2}\int 3(200+t)^2dt+c\)

                     \(=\frac c{(200+t)^2}+200+t\)

using initial condition and find the value of constant c.

      \(100=Q(0)=\frac c{(200+0)^2}+200+0\Rightarrow -100=\frac c{200^2}\)

                                                     \(\Rightarrow c=-4000000=-4\times 10^6\)

          \(\Rightarrow Q(t)=-\frac {4\times 10^6}{(200+t)^2}+200+t\)

Hence, is the amount of salt in the tank at any moment t.

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