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uranmaximum [27]
3 years ago
5

Please help me! I really need this!

Mathematics
2 answers:
Paladinen [302]3 years ago
8 0
Im pretty sure the number of books is your x and the cost is your y
dolphi86 [110]3 years ago
6 0
I think you just put the numbers for the ratio
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I am lost on what to do
Neko [114]
\bf sin({{ \alpha}})sin({{ \beta}})=\cfrac{1}{2}[cos({{ \alpha}}-{{ \beta}})\quad -\quad cos({{ \alpha}}+{{ \beta}})]
\\\\\\
cot(\theta)=\cfrac{cos(\theta)}{sin(\theta)}\\\\
-----------------------------\\\\
\lim\limits_{x\to 0}\ \cfrac{sin(11x)}{cot(5x)}\\\\
-----------------------------\\\\
\cfrac{sin(11x)}{\frac{cos(5x)}{sin(5x)}}\implies \cfrac{sin(11x)}{1}\cdot \cfrac{sin(5x)}{cos(5x)}\implies \cfrac{sin(11x)sin(5x)}{cos(5x)}

\bf \cfrac{\frac{cos(11x-5x)-cos(11x+5x)}{2}}{cos(5x)}\implies \cfrac{\frac{cos(6x)-cos(16x)}{2}}{cos(5x)}
\\\\\\
\cfrac{cos(6x)-cos(16x)}{2}\cdot \cfrac{1}{cos(5x)}\implies \cfrac{cos(6x)-cos(16x)}{2cos(5x)}
\\\\\\
\lim\limits_{x\to 0}\ \cfrac{cos(6x)-cos(16x)}{2cos(5x)}\implies \cfrac{1-1}{2\cdot 1}\implies \cfrac{0}{2}\implies 0
4 0
3 years ago
This is what I got,
USPshnik [31]
1/x + 1/y = 8
x + y = 8
6/x + 12/y = 72n
4 0
3 years ago
If the measure of <8 is 112 degrees, the the m<6 = ?
WITCHER [35]

Answer:

112 Degrees

Step-by-step explanation:

Since 8 is 112 degrees, and 6 is opposite of 8, that means the measure of angle 6 is also 112 degrees

6 0
2 years ago
Read 2 more answers
Selena’s family went on a trip.The total hotel bill was $659.The cost of the airfare was $633.Use mental math to find the total
amid [387]

Answer:1292

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Solve using the Quadratic Formula.
sveticcg [70]
A) x=5+/-73 is the answer I think
4 0
3 years ago
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