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3 years ago

6

Copycats copies charges $.18 for the first copy and $.12 for each additional copy what is the greatest number of copies you can

get for three dollars

1 answer:

Kazeer [188]3 years ago

4 0

The greatest number of copies you can et for three dollars is 24.

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Find the distance between the pair of points.. (-6, -5), (7, -8)

horrorfan [7]

Answer:

$\sqrt{178}$ units

Step-by-step explanation:

Use the distance formula $d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$ where $d$ is the positive distance between $(x_1,y_1)$ and $(x_2,y_2)$ :

$d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$

$d=\sqrt{(-8-(-5))^2+(7-(-6))^2}$

$d=\sqrt{(-8+5)^2+(7+6)^2}$

$d=\sqrt{(-3)^2+(13)^2}$

$d=\sqrt{9+169}$

$d=\sqrt{178}$

Therefore, the distance between $(-6,-5)$ and $(7,-8)$ is $\sqrt{178}$ units.

6 0

2 years ago

Find the exact value of cos A in simplest radical form.

sergeinik [125]

S O/H C A/H T O/A

You're finding cos - so take the adjacent side and hypotenuse which is 10 over 12

Then take 10 divided by 12 cos

A = 0.1

3 0

3 years ago

Consider the differential equation 4y'' â 4y' + y = 0; ex/2, xex/2. Verify that the functions ex/2 and xex/2 form a fundamental

Kazeer [188]

Check the Wronskian determinant:

$W(e^{x/2},xe^{x/2})=\begin{vmatrix}e^{x/2}&xe^{x/2}\\\frac12e^{x/2}&\left(1+\frac x2\right)e^{x/2}\end{vmatrix}=\left(1+\frac x2\right)e^x-\frac x2e^x=e^x\neq0$

The determinant is not zero, so the solutions are indeed linearly independent.

7 0

3 years ago

Which of the following expressions is equal to 5^6/5^2

Natali5045456 [20]

Answer:

$\dfrac{5^6}{5^2}$ = $5{\cdot}5{\cdot}5{\cdot}5$

Step-by-step explanation:

The given expression is :

$\dfrac{5^6}{5^2}$

We need to find this expression is equal to what.

$\dfrac{5^6}{5^2}=\dfrac{5^4\times 5^2}{5^2}\\\\=5^4\\\\=5\times 5\times 5\times 5\\\\\text{or}\\\\=5{\cdot}5{\cdot}5{\cdot}5$

Hence, $\dfrac{5^6}{5^2}$ is equal to $5{\cdot}5{\cdot}5{\cdot}5$ . Hence, the correct option is (c).

5 0

2 years ago

Write the expression -3x 2 + 2y 2 + 5xy - 2y + 5x 2 - 3y 2 in simplest form. Then, answer the following questions using complete

Nataliya [291]

2x2 + 5xy - 3y
there are three terms in the simplified expression
there is one negative term in the simplified expression

8 0

3 years ago