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riadik2000 [5.3K]

3 years ago

7

A CD costs 15 dollars and 50 cents before tax. What is the total cost after a 6 percent sales tax is added?

1 answer:

Vitek1552 [10]3 years ago

5 0

Answer:

16.43

Step-by-step explanation:

gib brainliest

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under a dilation, the point (2,6) is moved to (6,18) what is the scale factor of the dilation? enter your answer in the box

Anestetic [448]

<h2>3</h2>

Step-by-step explanation:

The equation of line passing through the two points is $\frac{y-y_{1} }{x-x_{1} }=\frac{y_{2} -y_{1}}{x_{2} -x_{1}}$

When substituted,the equation becomes $\frac{y-6}{x-2}=\frac{18-6}{6-2}$

which when simplified is $y=3\times x$

The line clearly passes through origin.

The distance between two points is $\sqrt{(y_{1}-y_{2} )^{2}+(x_{1}- x_{2} )^{2}}$

Distance between origin and $(2,6)$ is $\sqrt{40}$ .

Distance between origin and $(6,18)$ is $\sqrt{360}$

Scale factor is $\frac{distance\text{ }of\text{ }p_{2}\text{ from origin}}{distance \text{ } of \text{ } p_{1}\text{ from origin}}$

So,scale factor is $\frac{\sqrt{360} }{\sqrt{40} }$

which when simplified becomes 3.

6 0

3 years ago

THE QUESTION IS IN THE PICTURE CAN SOMEONE PLLLLSSLSLS HELP

Genrish500 [490]

Answer:

I HELPED :D

Step-by-step explanation:

3 0

3 years ago

Sarah is making flower bouquets that she will put in 10 vases. She will put 15 roses and some lilies in each vase.

AnnyKZ [126]

A is correct because the f represents the lilies and then you add the 15 because that is how much roses there are going to be. Lastly just multiply the ten that will give you the answer

3 0

3 years ago

Can someone please help me please?

Mekhanik [1.2K]

$\large \mathfrak{Answer : }$

The equation of the red parabola is :

$f(x) = 1 - {x}^{2}$

therefore , correct option in A

8 0

3 years ago

Which expression is equivalent to (16x^8y^-12)^1/2

MAVERICK [17]

Answer:

The equivalent expression is $\Rightarrow \dfrac{4x^4}{y^6}$

Step-by-step explanation:

Given: $(16x^8y^{-12})^{1/2}$

We need to simplify the expression. We will distribute radical with each term inside the parentheses.

$\Rightarrow (16x^8y^{-12})^{1/2}$

Distribute the radical

$\Rightarrow 16^{1/2}\cdot x^{8\cdot 1/2\cdot y^{-12\cdot 1/2}$

$\Rightarrow 4\cdot x^4\cdot y^{-6}$

$\Rightarrow 4x^4y^{-6}$

Now we will simplify the negative exponent.

$\Rightarrow \dfrac{4x^4}{y^6}$

Hence, The equivalent expression is $\Rightarrow \dfrac{4x^4}{y^6}$

8 0

3 years ago