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Levart [38]
3 years ago
5

What is 10x and a negative 15 over 10 plus one half

Mathematics
1 answer:
eimsori [14]3 years ago
3 0

Answer:

-29/2

Step-by-step explanation:

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Solve the equation 5x = 85 for x.<br><br> −17<br> 17<br> −90<br> 80
mixer [17]

x = 17

Step-by-step explanation:

5x = 85

x = 85/5

x = 17.

Hence, option (b) is correct answer

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1 year ago
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Which of these equations represents functions where x is the input and y is the output
kobusy [5.1K]
B & C since y is equivalent to the operations on the other side, while there are no operations being performed unto y.
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HELPPPPPPP what's the answer and plz explain
Liula [17]
K = 1.2 Short answer.
It's going to seem odd, but one of the ways you could solve this is by multiplying the first equation  by 4. I'll tell you why in a moment.

4(0.3x - 0.7y = 1)     Now remove the brackets.

1.2x - 2.8y = 4          If you want there to be no solution, the way to do it is the make k = 1.2 The second equation becomes.
1.2x - 2.8y = 3

I'm going to give you the graph of this so you will see why there is no solution. Do you see why?

The lines are parallel!! they never meet.

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3 years ago
Plz help I really need it
frosja888 [35]

Answer:

12% chance of winning because it's out of 100 tickets

Step-by-step explanation:

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3 years ago
Lane invests $7,000, at 7% interest, compounded annually for 22 years. Calculate the compound interest for his investment.
amm1812

\bf ~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$7000\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{annually, thus once} \end{array}\dotfill &1\\ t=years\dotfill &22 \end{cases} \\\\\\ A=7000\left(1+\frac{0.07}{1}\right)^{1\cdot 22}\implies A=7000(1.07)^{22}\implies A\approx 31012.81

6 0
3 years ago
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