Well, its 10 for 4. so 8 is 20, 12 is 30, 16 is 40 20 is 50, and 24 is 1 hour, 2 tabels is half the time so 5 min... so it would take -1 hour and 5 min

5 0

2 years ago

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The dance committee of Pine Bluff Middle School earns \$72$72 from a bake sale and will earn \$4$4 for each ticket they sell to

jeyben [28]

Answer:

Inequality is $4t+72>400$

Solution is C: t > 82

Step-by-step explanation:

Let the number of tickets = t

It is given that the committee earns $4 per ticket. That is, they earn $4t$ dollars.

Also, the committee earns $72 from the bake sale.

So, the total income is $4t+72$ dollars.

Since, the dance will cost $400.

So, the total earning must be greater than $400.

Thus, the inequality for the situation is given by, $4t+72>400$ .

So, on solving, we have,

$4t+72>400$

i.e. $4t>328$

i.e. t > 82.

Thus, the solution of the inequality is $t> 82$

Hence, option C is correct.

6 0

3 years ago

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Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

nadya68 [22]

In quadrant 2, $\sin\theta>0$ and $\cos\theta$ . Use the Pythagorean identity to establish that

$\sin^2\theta+\cos^2\theta=1\implies\cos\theta=-\sqrt{1-\sin^2\theta}=-\dfrac5{13}$

Then

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac{\frac{12}{13}}{-\frac5{13}}=-\dfrac{12}5$

7 0

3 years ago