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melomori [17]
3 years ago
8

The work shows how to use long division to find (x2 + 3x –9) ÷ (x – 2).

Mathematics
1 answer:
Maksim231197 [3]3 years ago
8 0
2x+3x -9. You can simplify this to 5x-9.
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A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls invol
Andre45 [30]

Answer:

b

Step-by-step explanation:

6 0
2 years ago
What is the sum of the first 20 terms of the arithmetic sequence shown? \displaystyle \frac{1}{3} 3 1 ​ , \displaystyle \frac{2}
Murrr4er [49]

Answer:

70

Step-by-step explanation:

a_1 = First term = \dfrac{1}{3}

d = Common difference = \dfrac{2}{3}-\dfrac{1}{3}=\dfrac{1}{3}

n = Number of terms = 20

Sum of arithmetic progression is given by

S=\dfrac{n}{2}[2a_1+(n-1)d]\\\Rightarrow S=\dfrac{20}{2}\times (2\times \dfrac{1}{3}+(20-1)\dfrac{1}{3})\\\Rightarrow S=70

The sum of the first 20 terms of the arithmetic sequence is 70.

5 0
3 years ago
Solve for x: 2x-4/5=x+4
shepuryov [24]

2x-4=5x+20

-3x=24

x=-8

3 0
3 years ago
Read 2 more answers
Hey can someone help me and check my answers? thanks <3
Tasya [4]
Remember
x^-m=1/(x^m)
u^-3=1/(u^3)
1/(u^3)=1/125
therefor
u^3=125
u=5




x=-3
easy
y=-3-13
y=-16
correct



normally, y is output
(x,y)
chose al second numbers
0,3 are all acceptable
B and D




y=mx+b
m=-3
y=-3x+b
sub point
(x,y)
(1,-2)
-2=-3(1)+b
-2=-3+b
1=b
y=-3x+1

remember (x,y) you keep swtiching those

3 0
3 years ago
Which of the following is equal to the expression listed below?
Sliva [168]

Answer:

C. 9(3+2)

Step-by-step explanation:

9*3 = 27 and 9*2 = 18 then add which gives you 45

Or do it this way

9(3+2) = 9(5) = 45

Hope this helps!

3 0
3 years ago
Read 2 more answers
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