3 years ago

8. A concert charges $10 for each adult ticket and $5 for each child ticket. Sunday, the park collected a total of $1,750

1 answer:

6 0

Do you need both of the equations or just the entire solution?

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tigry1 [53]

Answer:

C) $-\frac{47}{49}$

Step-by-step explanation:

By the cos double angle formula, we know $\cos(2\theta)=2\cos^2\theta-1.$ Substituting $\cos \theta$ into the formula, we get

$\cos(2\theta)=2(-\frac{1}{7})^2-1\\~~~~~~~~~~=\frac{2}{49}-1\\~~~~~~~~~~=\boxed{-\frac{47}{49}}$ .

The answer is C.

5 0

2 years ago

Juli2301 [7.4K]

Answer:

it's (4,4) since the point is right on top of (4,6) and by doing that it would make a closed quadrilateral

Step-by-step explanation:

it would be best to plot your points and whichever it lands on would be your next point.

5 0

2 years ago

zheka24 [161]

Blue tiles are 80.
Green tiles are 320

8 0

3 years ago

Anarel [89]

A = amount

.01a + .05a + .1a = 1.28
Combine like terms.
.16a = 1.28
Divide both sides by .16.
a = 8

8 * 3 = 24

There are 24 coins in the wallet.

7 0

3 years ago

mr Goodwill [35]

Answer:

the answer is 18

Step-by-step explanation:

6 0

3 years ago