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Anvisha [2.4K]
3 years ago
7

I NEED HELP WITH MATHQuestion: (In the pic)

Mathematics
1 answer:
storchak [24]3 years ago
8 0
Inequality, because want to know when we'll make a profit.
d (- 680+ 960) \geqslant 52000 \\  280d \geqslant 52000
Profit: Let's See When 280d equals 52000

d \geqslant  \frac{52000}{280}  \\ d \geqslant 185.71
So, after 190 days Julianne will make a profit
280(190) \geqslant 52000 \\ 53200
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If f(x)=4-11 what is the value of f(5)
Sveta_85 [38]

f(5) = 9

Do this by substitution:

f(x) = 4x - 11

f(5) = 4(5) - 11

f(5) = 20 - 11

f(5) = 9

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3 years ago
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Write four different expressions for the perimeter of a pentagon whose sides are all s-2 units long?
Masteriza [31]

Hey there!

1. 5(s-2) This is because s-2 is the length of each side, and there are 5 sides in a pentagon all of that length, so multiplying it by 5 like this shows its perimeter.

2. 5s-10 This can be found by distributing the first equation, multiplying both s and -2 by 5.

3. (s-2) + (s-2) + (s-2) + (s-2) + (s-2) Each grouping in the parenthesis represents each of the 5 sides, so adding them all together will get you the perimeter.

4. 5(s) + 5(-2) This one is most like the first one, except it's a little more spread out. Multiply the term s by the 5 sides in one grouping, and the integer -2 by 5 in the other.

Hope this helps!

4 0
3 years ago
evaluate if a = 3 b =4 and C=12 cuz there's more to the question there's more to the question will Mark brainiest if you can ans
tia_tia [17]
2(3)^2+(4)^3-12
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6 0
3 years ago
Read 2 more answers
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s2008m [1.1K]
All I know is that question 1 is B and I think for question 3 is Sammy is correct.
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