True or false? all right triangles are isosceles.WILL AWARD BRAINLIEST ANSWER

Thanks in advance! :)

Answers

Answer 1

Answer: The answer is false.

Answer 2

Answer: I think the answer is false

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A car manufacturer rolled out a new car priced at $10,000, but not many people bought it. In the context of supply and demand, how might the price of the car be affected?

Alberto is heating a solution in his chemistry lab. The temperature of the solution starts at 17°C. He turns on the burner and finds that the solution's temperature increases by 5°C every minute. This graph shows the temperature change.

Answers

Answer:

Step-by-step explanation:

If you look closely at the graph you will see only B could be the answer.

A doesn't work

B works

C is close

D could never work

Evaluate the following expression, if possible. 36^((3)/(2))

Answers

Answer:

216

Step-by-step explanation:

The expression in the form $a^(b)/(c)$ can be rewritten as $\sqrt[b]{a^c}$ . Given this, the steps to evaluate the expression are as follows:

Rewrite the expression in the form $\sqrt[b]{a^c}$ :
$36^(3)/(2) =\sqrt[2]{36^3}=√(36^3)$
Evaluate $√(36^3)$ :
$√(36^3) =√(36^2*36)\n =36√(36)\n =36*6\n=216$ The final solution is 216.

Carlos is using the quadratic formula to find the solutions of y=3x^2-5x-2. Which of the following will simplify to the correct solutions? (options on photo)

Answers

Answer:

$Fx=(5\pm√(25+24) )/(6)$

Step-by-step explanation:

A quadratic equation in one variable given by the general expression:

$ax^2+bx+c$

Where:

$a\neq 0$

The roots of this equation can be found using the quadratic formula, which is given by:

$x=(-b\pm√(b^2-4ac) )/(2a)$

So:

$y(x)=3x^2-5x-2=0$

As you can see, in this case:

$a=3\nb=-5\nc=-2$

Using the quadratic formula:

$x=(-b\pm√(b^2-4ac) )/(2a)=(-(-5)\pm√((-5)^2-4(3)(-2)) )/(2(3))=(5\pm√(25+24) )/(6)$

Therefore, the answer is:

$Fx=(5\pm√(25+24) )/(6)$

How do you convert celsius into fahrenheit?

Answers

You multiply by 9, then divide by 5, then add 32

Help please help ghelp

Answers

Answer:

6,14

Step-by-step explanation:

yeah that is the answer

because if you substitute you get the answer

Answer:

Step-by-step explanation:

6=x

14=y

input those 2 values into the equation

A recent study indicates that the annual cost of maintaining and repairing a car in a town in Ontario averages 200 with a variance of 260. A tax of 20% is introduced on all items associated with the maintenance and repair of cars (i.e., everything is made 20% more expensive). Calculate the variance of the annual cost of maintaining and repairing a car after the tax is introduced.

Answers

Answer:

374.4

Step-by-step explanation:

All items related to the maintenance are 20% more expensive, it means that each datum is 20% bigger including the average.

The variance its a dispersion measurof the data and its calculated of this way:

$\sigma^(2) =(1)/(n) \sum\limits^n_(i=1) (x_(i)-\var{x})^2\n$

Here n is the number of data, $\var{x}$ is the average and $x_(i)$ represent each datum. The increment in 20% in each parameter can be represented multiplying for 1.2, of this way

$\sigma_(20\%)^(2) =(1)/(n) \sum\limits^n_(i=1) (1.2x_(i)-1.2\var{x})^2\n$

Factorizing the 1.2 we have:

$\sigma_(20\%)^(2) =(1)/(n) \sum\limits^n_(i=1) (1.2(x_(i)-\var{x}))^2$

$\sigma_(20\%)^(2) =(1)/(n) \sum\limits^n_(i=1)1.2^(2) (x_(i)-\var{x})^2$

$\sigma_(20\%)^(2) =(1.2^(2))/(n) \sum\limits^n_(i=1) (x_(i)-\var{x})^2\n$

That is:

$1.2^(2)\sigma^(2)=\sigma_(20\%)^(2)$

The new variance is $1.2^(2) \sigma^(2) =1.44*260=374.4$

Final answer:

To calculate the variance of the annual cost of maintaining and repairing a car after the tax is introduced, we can use the formula var(X + c) = var(X), where X is the original cost and c is the tax rate. In this case, the tax rate is 20%, so c = 0.2. The variance of the original cost is 260, so the variance of the cost after the tax is introduced is also 260.

Explanation:

To calculate the variance of the annual cost of maintaining and repairing a car after the tax is introduced, we can use the formula var(X + c) = var(X), where X is the original cost and c is the tax rate. In this case, the tax rate is 20%, so c = 0.2. The variance of the original cost is 260, so the variance of the cost after the tax is introduced is also 260.