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Rudik [331]
2 years ago
13

Add. 5x2 - 5x+1 + 2x2 +9x-6

Mathematics
1 answer:
kramer2 years ago
3 0

Answer:

4x+9

Step-by-step explanation:

10-5x+1+4+9x-6

9x-5x+10+1+4-6

4x+9

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How many 1/5 inch pieces can be cut from a sting 8 inches long
Snezhnost [94]

40 pieces

8/1 : 1/5   = 8/1*5/1   = 40/1  = 40

Another method :

1/5 = 0.2

8/0.2 = 40

5 0
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Which set of ordered pairs represents a function?
ra1l [238]

Answer:

D

Step-by-step explanation:

the company is it a big company with you in my neighborhood that is a lot more expensive and more expensive to

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A flute is on sale for 20% off. Including the discount and 8% tax, the sales price is $216.
Len [333]

Answer:

Before Tax: $240

After Tax: $259.20

Step-by-step explanation:

If we are trying to find the original price then here:

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7 0
3 years ago
Read 2 more answers
A window shaped like a circle has a diameter of 15 centimeters what is the circumference of the window? Use 3.14 for pie
vova2212 [387]

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5 0
3 years ago
Find the 63rd term of the arithmetic sequence -1, 5, 11, ...−1,5,11,...
Ugo [173]

Answer:

a_6_3=371

Step-by-step explanation:

we know that

In an <u><em>Arithmetic Sequence</em></u> the difference between one term and the next is a constant and this constant is called the common difference

we have

-1,5,11,...

Let

a_1=-1\\a_2=5\\a_3=11

a_2-a_1=5-(-1)=5+1=6

a_3-a_2=11-5=6

The common difference is d=6

We can write an Arithmetic Sequence as a rule

a_n=a_1+d(n-1)

where

a_n is the nth term                

d is the common difference

a_1 is the first term

n is the number of terms

Find the 63rd term of the arithmetic sequence

we have

n=63\\d=6\\a_1=-1

substitute

a_6_3=-1+6(63-1)

a_6_3=-1+6(62)

a_6_3=-1+372

a_6_3=371

6 0
3 years ago
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