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iVinArrow [24]
2 years ago
7

X²+9=2x-3 Solve this please

Mathematics
2 answers:
murzikaleks [220]2 years ago
7 0

Answer:

there is no solution to this problem

you can replace it with whatever number you want

BabaBlast [244]2 years ago
6 0

Answer:

x={7,3}

Step-by-step explanation:

x^2-2x+9+12=0

x^2-2x+21=0

(x-7)(x-3)=0

x-7=0

x=7

x-3=0

x=3

so

x={7,4}

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163, 159, 155, 151.... What will the 23rd term in this sequence be?
Bogdan [553]
The rule is n-4;
163 - 4 = 159
159 - 4 = 155
155 - 4 = 151
151 - 4 = 147

A quick way to solve this is to mutliply 4 by 23 and subtract the product from the 1st term.

23 x 4 = 92
163 - 92 = 71

The 23rd term is 71.

I hope this helps!
3 0
4 years ago
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svet-max [94.6K]
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3 years ago
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Answer:

C. y=1/2x+4

Step-by-step explanation:

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7 0
3 years ago
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Eight people are equally sharing 12 muffins. How many muffins will each person receive?
Marina CMI [18]
Total number of muffins = 12 muffins
Total number of people sharing muffin = 8

Muffins each person will receive = Total number of muffins
                                                          ---------------------------------
                                                          People sharing muffins
                                                   
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7 0
3 years ago
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With 1 ≤ |a| < 10 and N is an integer.
Elena-2011 [213]
So a times 10^n where 1≤|a|<10 and n is an integer is what i learned


so

a.
234=
2.34 times 100=
2.34 times 10²


b.
0.000052=
5.2 times 1/100000=
5.2 times 10⁻⁵



c.
-220000=
-2.2 times 100000=
-2.2 times 10⁵


d.  ok, so just count the spaces moved to the left
-18.2 times 10⁻¹⁵
6 0
3 years ago
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