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arsen [322]
3 years ago
8

How many solutions are there to the following system of equations?

Mathematics
1 answer:
ANTONII [103]3 years ago
5 0
I believe the answer is A because you cannot find x nor y
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Felix signs up for a cell phone that his parents require him to pay for. His bill is $46.80. What impact will his cell phone hav
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Step-by-step explanation:

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Find the distance between the points. Round to the nearest tenth if necessary.<br> (4,3)<br> |(1,-1)
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Three between the x values and four between the y values
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(6x4 – 6х3 + 11х2 -х + 20) /<br> (3х2 + 3х + 4)
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6638_729_88 and so this is what thay saif was right i leterkly just had to answer this

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Find a degree 3 polynomial with leading coefficient of 4 and zeros -2, 1, and 5
Alex Ar [27]

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4x^3-16x^2-28x+40

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2 years ago
Find the value of x such that 365 based seven + 43 based x = 217 based 10.
Pepsi [2]

We need to find the base x in the following equation:

365_7+43_x=217_{10}

First, lets convert 365 from base 7 to base 10. This is given by

365_7=3\times7^2+6\times7^1+5\times7^0

where the upperindex denotes the position of eah number. This gives

\begin{gathered} 365_7=3\times49+6\times7+5\times1 \\ 365_7=147+42+5 \\ 365_7=194_{10} \end{gathered}

that is, 365 based 7 is equal to 194 bases 10.

Now, lets do the same for 43 based x. Lets convert 43 based x to base 10:

43_x=4\times x^1+3\times x^0

where again, the superindex 0 and 1 denote the position 0 and 1 in the number 43. This gives

43_x=(4x+3)_{10}

Now, we have all number in base 10. Then, our first equation can be written in base 10 as

194_{10}+(4x+3)_{10}=217_{10}

For simplicity, we can omit the 10 and get

194+4x+3=217

so, we can solve this equation for x. By combining similar terms. we have

197+4x=217

and by moving 197 to the right hand side, we obtain

\begin{gathered} 4x=217-197 \\ 4x=20 \end{gathered}

Finally, we get

\begin{gathered} x=\frac{20}{4} \\ x=5 \end{gathered}

Therefore, the solution is x=5

8 0
11 months ago
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