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Lina20 [59]
3 years ago
12

I rlly need help pls help me

Mathematics
1 answer:
kifflom [539]3 years ago
4 0

Answer:

This one ↓↓↓↓↓↓

Step-by-step explanation:

The picture attached is the reflection over the line y = 0

-Chetan K

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Solve for system of equations y = - 5/4x - 2 and y = -1/4x + 19
MariettaO [177]

Answer:

x = -21

Step-by-step explanation:

-5/4x - 2 = -1/4x + 19

subrtact the slope( constant, mx) from both sides

subtract a y-int ftom both sides

divde both sides by the remaining slope(constant or mx)

7 0
3 years ago
Use the continuous compound interest formula to find the indicated value. A=90,000; P=65,452; r=9.1%; t=? t=years (Do not round
Butoxors [25]
\bf \qquad \textit{Simple Interest Earned}\\\\
A=Pe^{rt}\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &90,000\\
P=\textit{original amount}\to& \$65,452\\
r=rate\to 9.1\%\to \frac{9.1}{100}\to &0.091\\
t=years
\end{cases}

\bf 90000=65452e^{0.091t}\implies \cfrac{90000}{65452}=e^{0.091t}\implies \cfrac{22500}{16363}=e^{0.091t}
\\\\\\
\textit{taking \underline{ln} to both sides}\qquad ln\left( \cfrac{22500}{16363} \right)=ln\left( e^{0.091t} \right)
\\\\\\
ln\left( \cfrac{22500}{16363} \right)=0.091t\implies 
\cfrac{ln\left( \frac{22500}{16363} \right)}{0.091}=t
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4 years ago
How to write this in number form The difference of 9 and the square of a number
Diano4ka-milaya [45]

Answer:

9-x^2

Step-by-step explanation:

The difference of means subtracting. the first number is 9 and the second is x^2, so you get 9-x^2

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8.3 repeating as a fraction
MA_775_DIABLO [31]
8 and 3/10 because the 3 is in the ones place so you make that a fraction which would be 3/10. Then 8 would be a whole number. Hope this helps!
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4 years ago
15 pls—i need a 2 column proof. thanks xx
marusya05 [52]
I haven't done proofs in a while, but one thing that might help is that only if two lines were parallel would angles 3 and 1 be congruent (3 is congruent to 2, which is congruent to 1, so they're all congruent to each other).
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3 years ago
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