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liubo4ka [24]
2 years ago
12

The Math Club bought 16 graphing calculators for $765. The TI-70 model costs $40 and

Mathematics
1 answer:
Afina-wow [57]2 years ago
5 0

Answer:

They bought 5

Step-by-step explanation:

65x+40y=765

65(5)+40(11)=765

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KonstantinChe [14]

Answer and work down below. Let me know if you have any questions

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3 years ago
Help me with this equation:tan36=48/14
Zigmanuir [339]

It's difficult to spot what kind of help is needed.

There's no variable in that equation whose value needs to be found.

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5 0
2 years ago
Find the Lateral area of a square pyramid with a slant height of 22m and a base length of 8m
Kay [80]

Answer: 352 m^{2}

Step-by-step explanation:

To find the Lateral area of a square pyramid , we will follow the three steps below:

1. Find the perimeter of the base

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That is :

The lateral surface area of a regular pyramid is lateral area = perimeter of base x slant height of pyramid) ÷ 2.

Applying the formula above:

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7 0
3 years ago
Simplify 1- cos^2 Θ / cos^2 Θ<br><br> Answers<br><br> sin2 θ<br><br> cos2 θ<br><br> tan2 θ<br><br> 1
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Answer:

<h3><u /></h3>

<u>Trigonometric identities</u>

<u />

\large \begin{aligned}\cos^2 \theta + \sin^2 \theta & = 1\\\implies \quad \quad \sin^2 \theta & = 1 - \cos^2 \theta\\\\\tan \theta=\dfrac{\sin \theta}{\cos \theta} \end{aligned}

Therefore, using the <u>identities</u>, the given expression can be <em>simplified</em> as follows:

\large\begin{aligned}\implies \dfrac{1- \cos^2 \theta}{\cos^2 \theta} & = \dfrac{\sin^2 \theta}{\cos^2 \theta}\\\\& = \tan^2 \theta\end{aligned}

3 0
1 year ago
Read 2 more answers
Dylan's Dog weighs 12 times as much as his pet Rabbit. The Dog and Rabbit weigh 104 pounds altogether. How Much does Dylan's Dog
aleksley [76]
When r is the weight of the rabbit:
13r = 104
/13   /13
r = 8
Now, subtract:
104
<span>-   8
</span>= <span>96
</span>Dylan's dog weighs 96 pounds.
Hope this helps!
6 0
2 years ago
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