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iVinArrow [24]
3 years ago
6

Question in picture below

Mathematics
2 answers:
Klio2033 [76]3 years ago
8 0

Answer:

B

Step-by-step explanation:

brainliest?

Artyom0805 [142]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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the coordinates of a pentagon ABCDE are A(-5,4),B (1,4),C(1,-1), D(-2,-5) and E(-5,-1) what is the perimeter of the pentagon
kogti [31]
Perimeter is a continuous line forming the boundary of a closed geometrical figure. perimeter of a pentagon = AB+BC+CD+DE+EA (that is 5 sided figure) 
so my plan is easy but effective, calculate all those distances using those coordinates with the aid of distance formular. then you add those distances algebraically .
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3 years ago
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Anyone know this I’m stuck?
alexandr1967 [171]

Answer:

The answer is B.

Step-by-step explanation:

3 0
2 years ago
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One root of f(x) = x + 10x2 – 25x – 250 is x = -10. What are all the roots of the function? Use the Remainder Theorem.
Natalka [10]

Answer:

-10

-5

5

Step-by-step explanation:

From the answers given, you probably mean f(x) = x^3 + 10x2 – 25x – 250

The Remainder Theorem is going to take a bit to solve.

You have to try the factors of 250. One way to make your life a lot easier is to graph the equation. That will give you the roots.

The graph appears below. Since the y intercept is -250 the graph goes down quite a bit and if you show the y intercept then it will not be easy to see the roots.

However just to get the roots, the graph shows that

x = -10

x = - 5

x = 5

The last answer is the right one. To use the remainder theorem, you could show none of the answers will give 0s except the last one. For example, the second one will give

f((10) = 10^3 + 10*10^2 - 25*10 - 250

f(10) = 1000 + 1000 - 250 - 250

f(10) = 2000 - 500

f(10) = 1500 which is  not 0.

==================

f(1) = (1)^3 + 10*(1)^2 - 25(1) - 250

f(1) = 1 + 10 - 25 - 250

f(1) = -264 which again is not zero

3 0
3 years ago
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Which of the following coordinate points have a y-value of 1? Select all that apply.
Nimfa-mama [501]

Answer:

B is the right answer,...B) (6, 1)

Step-by-step explanation:

no steps just a pencil,paper,caculator,white board, and dry erase marker to help u solve this

8 0
2 years ago
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I need help solving these please help...
Ber [7]
5) y = 2x + 7
6) y = \frac{5}{4}x - 5.5
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3 years ago
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