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Elza [17]
3 years ago
7

Suppose you have a photography service, your personal camera cost you $756.50. You charge $50 per photo session and it cost your

$5.50 per session for memory card and gas. How many photo sessions must you take to break-even?
Equations:
Mathematics
1 answer:
butalik [34]3 years ago
7 0

Answer:

17 photo sessions

Step-by-step explanation:

You take 50 - 5.50 to find the real amount you earn for each session which is 44.50. Then take 756.50/44.50 and you should get 17. :)

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Find the area. The figure is not drawn to scale.
lesantik [10]

Answer:

824

Step-by-step explanation:

the answer is 824

8 0
3 years ago
Read 2 more answers
At a concert 2/5 of the people were men, there were 3 times as many women as children. If there were 45 more men than children,
Bogdan [553]

This involves creating some equations.

First, these are what the letters I used stand for:

c = children

w = women

m = men

x = total population

Then, we must make an equation for each statement.

2/5x = m (2/5 of the people are men)

3c = w (there are 3 times as many women than children)

45+c = m (there are 45 more men than children)

Now, let's start plugging in our numbers:

x = all the men, women, and children

2/5(m+w+c) = m

2/5 (45+c +3c + c) = m     [Now simplify]

2/5 (45 + 5x) = m       [Now Distribute]

2/5(45) + (2/5)(5x) = m

2c + 18 = m    [Above we stated that there were the same amount as men as c +45]

2c + 18 = 45 +c     [Now set equal to c]

2c (-c) +18 = 45 +c (-c)

c+18 (-18) = 45 (-18)

c = 27

Now that we know that there was 27 children, we can plug 27 in for c in the other equations.

MEN = 27 + 45

WOMEN = 3(27)

CHILDREN = 27

Now add those three answers to find your total!

8 0
3 years ago
The population in the trapezoid-shaped region shown is about 7000 people. How many people are there per square mile?
svlad2 [7]

Answer:

250

Step-by-step explanation:

14 x 4 = 56

56 divided by 2 = 28

<h2>7000 divided by 28 = 250 </h2>
8 0
2 years ago
4. Suppose that Peculiar Purples and Outrageous Oranges are two different and unusual types of bacteria. Both types multiply thr
Viktor [21]

Answer:

Peculiar purples would be more abundant

Step-by-step explanation:

Given that eculiar Purples and Outrageous Oranges are two different and unusual types of bacteria. Both types multiply through a mechanism in which each single  bacterial cell splits into four. Time taken for one split is 12 m for I one and 10 minutes for 2nd

The function representing would be

i) P=P_0 (4)^{t/12} for I bacteria where t is no of minutes from start.

ii) P=P_0 (4)^{t/10} for II bacteria where t is no of minutes from start. P0 is the initial count of bacteria.

a) Here P0 =3, time t = 60 minutes.

i) I bacteria P = 3(4)^{5} =3072

ii) II bacteria P = 3(4)^{4} =768

b) Since II is multiplying more we find that I type will be more abundant.

The difference in two hours would be

3(4)^{10}- 3(4)^{8} =2949120

c) i) P=P_0 (4)^{t/12} for I bacteria where t is no of minutes from start.

ii) P=P_0 (4)^{t/10} for II bacteria where t is no of minutes from start. P0 is the initial count of bacteria.

d) At time 36 minutes we have t = 36

Peculiar purples would be

i) P=3 (4)^{36/12}=192

The rate may not be constant for a longer time.  Hence this may not be accurate.

e) when splits into 2, we get

P=P_o (2^t) where P0 is initial and t = interval of time

7 0
3 years ago
PLEASE HELP WITH THIS QUESTION, WILL MARK BRAINLIEST + 10 POINTS<br> #17
slega [8]
Sin 30 = 16/x
x = 16/sin 30 = 32
The answer is d: 32.
3 0
3 years ago
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