PLEASE HELP ME I BEG I REALL YNEED PLEASE ALL I REALLY NEED HELP PLEASE I BEG YOU!!!!!! a lot of opints!!!!!!!!!!

Answers

Answer 1

Answer: Slope of the vertical line: undefined
Equation of the vertical line: x=5
f(x)+g(x) = 3x^2-x-4
f(x)-g(x) = 4x^2-7x-4
Foil (2x-6)(5x+1) = 10x^2-28x-6
The roots (zeros) of the parabola are -2 and 3
X-coord for vertex = -1/2
Last problem: s^2 + 4s

Answer 2

Answer: 1. The slope is undefined
2.y=5

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Which of the following terms refers to the numerical probability of the chances that the true value falls within the range of reliability?mean
variability
confidence level
standard deviation

Answers

The term that refers to the numerical probability of the chances that the true value falls within the range of reliability is called confidence level.
Saving that you surveyed a whole population, a 100% confidence level is non-existent in statistics, — and even then you probably couldn’t be 100 percent sure that your survey wasn’t open to some kind of error or bias.

Heather is trying to decrease the amount of toys that Oliver has. Originally, he had 55 toys in his room and now he only has 30. By what percentage did Heather decrease the amount of toys?

Answers

Answer: 45.45%

Step-by-step explanation:

Given: The number of toys in Heather's room before = 55

The number of toys now in the room = 30

Now, the decrease in the toys = $55-30=25$

We know that the percent decrease is given by ;-

$\frac{\text{Decrease in amount}}{\text{amount before}}*100$

$\n=(25)/(55)*100=45.4545\approx45.45\%$

Hence, Heather decrease the amount of toys by 45.45% .

25/55 = x/100, so I think it is 45% Decreased.

Some help me with this please!!

Answers

First of all observe that

$r^6s^3=(r^2s)^3 \implies \sqrt[3]{r^6s^3}=\sqrt[3]{(r^2s)^3}=r^2s$

So, we have

$\log(r^5s^6\sqrt[3]{r^6s^3})=\log(r^5s^6\cdot r^2s)$

We can simplify the input as

$\log(r^5s^6\cdot r^2s)=\log(r^7s^7)$

The logarithm of a multiplication is the sum of the logarithms:

$\log(r^7s^7)=\log(r^7)+\log(s^7)$

Finally, invoke the logarithm property $\log(a^b)=b\log(a)$

to get the final answer

$\log(r^7)+\log(s^7)=7\log(r)+7\log(s)$

What is the answer to this equation 4÷35

Answers

4/35
= 0.1142857143...

The final answer is 0.114 (rounded to the nearest thousandth)

Hope this helps~

Boatesville is 65 3/5 kilometers from Stanton. A bus traveling from Stanton is 24 1/3 kilometers from Boatesville. Select the equation you can use to find the distance dd (in kilometers) the bus has traveled. Then find the distance the bus has traveled.

Answers

The distance travelled by bus is $41(4)/(15)$ Km.

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

Distance Travelled from Boatesville = 65 3/5= 328/5 Km

Distance of bus from Boatesville = 24 1/3 = 73 /3 Km

The distance travelled by Bus

= 328 /5- 73/3

= 984-365/15

= 619/15

= $41(4)/(15)$ Km

Hence, the distance travelled by bus is $41(4)/(15)$ Km.

Learn more about unitary method here:

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I am assuming the equation would be something like 65 3/5 = 24 1/3 + d

Solve, using the substitution method. y – 3x = 7
21 + 9x = 3y

A. There is no solution.

B. There are an infinite number of solutions.

C. The solution is (1, 10)

D. The solution is (28, 0)

Answers

The system of equations are solved using substitution method and there are infinite number of solutions

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

To solve the given system of equations using the substitution method, we can follow these steps:

Step 1:

Solve one of the equations for one variable in terms of the other variable.

Let's solve the first equation, y - 3x = 7, for y in terms of x:

y = 3x + 7

Step 2:

Substitute the expression for the solved variable into the other equation.

Substitute the expression for y from step 1, which is 3x + 7, into the second equation, 21 + 9x = 3y:

21 + 9x = 3(3x + 7)

Step 3:

Simplify and solve for the remaining variable.

Now we can simplify the equation and solve for x:

21 + 9x = 9x + 21

0 = 0

Hence , resulting equation is a true statement, 0 = 0, which means that the system of equations is dependent and there are an infinite number of solutions.

To learn more about equations click :

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The answer is B

let me show my answer

-3x+y=7;9x+21=3y

Solve -3x+y=7 for y

Add 3x to both sides

-3x+y+3x=7+3x

y=3x+7

Substitute 3x+7 for y in 9x+21 =3y

9x+21=3y

9x+21=3(3x+7)

Simplify both sides of the equation

9x+21=9x+21

Add -9x to both sides

9x+21+-9x=9x+21+-9x

21=21

Add -21 to both sides

21+-21=21+-21

0=0

Answer : B , Infinitely many solutions

I hope that's help !

Have a great day !