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frez [133]
3 years ago
8

I need Algebra Help Please

Mathematics
1 answer:
Elina [12.6K]3 years ago
3 0

Answer:

x^2-2x+4-\dfrac{15}{x+2}

Step-by-step explanation:

Synthetic division is a useful tool for problems of this sort. (see below)

__

Another way to work this one is to make use of the remainder theorem. The remainder from division by x+2 will be the value of the function at x=-2 (the value of x that makes the divisor be zero).

  (-2)³ -7 = -8 -7 = -15

Only one answer choice shows a remainder of -15, and all agree on the quotient.

  x^2-2x+4-\dfrac{15}{x+2}

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Find the perimeter of triangle ABC with vertices A(6, 3), B(6, - 2) , and C(- 4, 3) .
anyanavicka [17]

Answer:

26.2 units

Step-by-step explanation:

We are given the points/vertices

A(6, 3),

B(6, - 2) , and

C(- 4, 3)

Step two

Let us find the distances between the given points/vertices

A-B =A(6, 3) to B(6,-2)

d=√((x2-x1)²+(y2-y1)²)

Substitute

d=√((6-6)²+(-2-3)²)

d=√(-2-3)²)

d=√(-5)²)

d=5 units

B-C=B(6, - 2) to C(-4, 3)

d=√((x2-x1)²+(y2-y1)²)

Substitute

d=√((-4-6)²+(3+2)²)

d=√(-10)²+(5)²)

d=√100+25

d=√125

d=11.2 units

C-A=C(-4, 3) to A(6, 3)

d=√((x2-x1)²+(y2-y1)²)

Substitute

d=√((6+4)²+(3-3)²)

d=√(10)²

d=√100

d=10 units

Hence the perimeter is 5+11.2+10

P=26.2 units

4 0
3 years ago
Find the average rate of change of this function:
Phoenix [80]

Answer:

A slope of the line over the interval of [-6, -1] is ⅕ as illustrated in the graph above

7 0
2 years ago
Pls help me with this question.
umka21 [38]

Answer: C

Step-by-step explanation:

The equation is in y=mx+b format. The y is the final amount that you will have to pay. The m in this case is the amount of money that you are paying for each individual month (which is $34.99). The x in this case is the number of months you are paying for (which is 1). And b is the starting fee that you have to pay in order to get a membership in the first place (but will not have to pay after the first month). Thus, seeing as there is 1 month's worth of payment and a starting fee tagged on, y would equal the average total cost for the first month of a gym membership.

8 0
3 years ago
Is 2/9 closest to 0 1/2 or 1
umka2103 [35]
2/9=0.222.....

it is alot closer to zero than any of ther other numbers
6 0
3 years ago
Lloyd is arranging his science project, math project, and art project on his desk. The tree diagram below shows the sample space
svp [43]
I would say your answer is 1/6. This is because there is only one way out of the given 6 ways to get the order of art, math, and then science, and so it must be the fraction 1/6.
I hope this helps!
5 0
3 years ago
Read 2 more answers
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