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Paha777 [63]
2 years ago
12

No Links Please!

Mathematics
2 answers:
evablogger [386]2 years ago
8 0
So the midpoint coordinates=((xA+xB/2),(yA+yB/2))
so (xA+xB)/2=xM
Sub in (-3+xB)/2=-1
Rearrange xB=(-1x2)+3
And solve xB=1 so the answer is one :)
Alexus [3.1K]2 years ago
4 0

Answer:-1

Step-by-step explanation: have a nice day

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Evaluate 5x-7 when x=2
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Answer:

the answer is 3since x is 2 so it becomes 5times 2 minus 7 equals to 3

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7- H ,0 am An average persons heart beats about 103,680 times a day and solve an equation to find about how many times me average
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8 0
3 years ago
Which of the following numbers is a factor of 78?
Aloiza [94]

Step-by-step explanation:

78 = 2 * 39 = 2 * 3 * 13.

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4 0
3 years ago
Complete parts a through f below to find nonnegative numbers x and y that satisfy the given requirements. Give the optimum value
MArishka [77]

Answer:

  • y = 81-x
  • the domain of P(x) is [0, 81]
  • P is maximized at (x, y) = (54, 27)

Step-by-step explanation:

<u>Given</u>

  • x plus y equals 81
  • x and y are non-negative

<u>Find</u>

  • P equals x squared y is maximized

<u>Solution</u>

a. Solve x plus y equals 81 for y.

  y equals 81 minus x

__

b. Substitute the result from part a into the equation P equals x squared y for the variable that is to be maximized.

  P equals x squared left parenthesis 81 minus x right parenthesis

__

c. Find the domain of the function P found in part b.

  left bracket 0 comma 81 right bracket

__

d. Find dP/dx. Solve the equation dP/dx = 0.

  P = 81x² -x³

  dP/dx = 162x -3x² = 3x(54 -x) = 0

The zero product rule tells us the solutions to this equation are x=0 and x=54, the values of x that make the factors be zero. x=0 is an extraneous solution for this problem so ...

  P is maximized at (x, y) = (54, 27).

7 0
2 years ago
Please help thank you
valina [46]
C because I did the mean value theorem and got that as the solution.
6 0
3 years ago
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