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alexdok [17]
3 years ago
8

Cameras R Us buys cameras at wholesale and sells them at a 40% markup. Use the diagram to find the wholesale price of a camera t

he store sells for $77.
Mathematics
2 answers:
galina1969 [7]3 years ago
7 0

Answer:

Would be $55.00

Step-by-step explanation:

Katyanochek1 [597]3 years ago
7 0

Answer:

$55.00

Step-by-step explanation:

please leave rating and thanks! :P

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What is the LCM of 306 and 270
kap26 [50]

Answer:

LCM = 4590

Step-by-step explanation:

1. Find the prime factorization of 306

306 = 2 × 3 × 3 × 17

2. Find the prime factorization of 270

270 = 2 × 3 × 3 × 3 × 5

3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 3 × 3 × 3 × 5 × 17


6 0
2 years ago
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Find the average value of f over region
SVETLANKA909090 [29]
D is a right triangle with base length 1 and height 8, so the area of D is \dfrac12(1)(8)=4.

The average value of f(x,y) over D is given by the ratio

\dfrac{\displaystyle\iint_Df(x,y)\,\mathrm dA}{\displaystyle\iint_D\mathrm dA}

The denominator is just the area of D, which we already know. The average value is then simplified to

\displaystyle\frac74\iint_Dxy\,\mathrm dA

In the x,y-plane, we can describe the region D as all points (x,y) that lie between the lines y=0 and y=8x (the lines which coincide with the triangle's base and hypotenuse, respectively), taking 0\le x\le1. So, the integral is given by, and evaluates to,

\displaystyle\frac74\int_{x=0}^{x=1}\int_{y=0}^{y=8x}xy\,\mathrm dy\,\mathrm dx=\frac78\int_{x=0}^{x=1}xy^2\bigg|_{y=0}^{y=8x}\,\mathrm dx
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=14x^4\bigg|_{x=0}^{x=1}
=14
3 0
2 years ago
21.79 + x = 25<br><br><br> make sure to do a explanation
laiz [17]

Answer:

x= 3.21

Step-by-step explanation:

25- 21.79= 3.21

the equation equals to 25 so you need to find what x is by subtracting the other value

Hope this helps

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2 years ago
Brainliest to CORRECT answer!
Anastasy [175]

Answer:

A

Step-by-step explanation:

8 0
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A line in the xy-plane with the slope -4/5 passes through the point (3,4). Which of the following points lies on the line?
Rama09 [41]

Answer:

(9,3)

Step-by-step explanation:

I don't think any of the answer choices are correct 9/3 is

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3 years ago
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