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nexus9112 [7]
3 years ago
15

Can someone please help me with this problem?! 15points

Mathematics
1 answer:
xxMikexx [17]3 years ago
3 0
I’m fairly certain it is 70 , or option 4 :))
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Help me now or else.
ivann1987 [24]

Answer: c. -3.8

Step-by-step explanation:

-9 1/5-10+2/5+2(14 1/2-70 simplifies to -46/5-10+2/5+2(29/2-7)

reduce numbers: -46/5-10+2/5+2x15/2

-46/5-10+2/5+15

-44/5+5= -19/5 = -3.8

7 0
3 years ago
Select the correct answer. What is the equation of the line that has a slope of 3 and goes through the point (-3,-5)? A. y = 3x
kodGreya [7K]

Answer:

y = 3x + 4

Step-by-step explanation:

6 0
3 years ago
Find the slope of the line passing through the points (-2, 5) and (-6, 7).
Vlad1618 [11]
The slope would be - 1/2 !!

you would number the x and y values of the coordinates.

( -2 , 5 ) ( -6 , 7 )
x1. y1. x2. y2

then do the formula that gives you the slope y2 - y1 / x2 - x1

this gives you:

7 - 5 / -6 - (-2) = 2/ -4 (simplify) -1/2

so this would give you m= -1/2
5 0
4 years ago
Elle has a sticker book with 12 pages of stickers. Her friend Erin's book has 3 times more pages. How many pages are in Erin's b
Fed [463]

Answer:

36 pages

Step-by-step explanation:

12 multiplied by 3 is 36

5 0
3 years ago
Read 2 more answers
How would I do the steps to solve this?
allsm [11]

Answer:

The maximum revenue is 16000 dollars (at p = 40)

Step-by-step explanation:

One way to find the maximum value is derivatives. The first derivative is used to find where the slope of function will be zero.

Given function is:

R(p) = -10p^2+800p

Taking derivative wrt p

\frac{d}{dp} (R(p) = \frac{d}{dp} (-10p^2+800p)\\R'(p) = -10 \frac{d}{dp} (p^2) +800 \ frac{d}{dp}(p)\\R'(p) = -10 (2p) +800(1)\\R'(p) = -20p+800\\

Now putting R'(p) = 0

-20p+800 = 0\\-20p = -800\\\frac{-20p}{-20} = \frac{-800}{-20}\\p = 40

As p is is positive and the second derivative is -20, the function will have maximum value at p = 40

Putting p=40 in function

R(40) = -10(40)^2 +800(40)\\= -10(1600) + 32000\\=-16000+32000\\=16000

The maximum revenue is 16000 dollars (at p = 40)

3 0
3 years ago
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