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Lesechka [4]
3 years ago
13

In ΔTUV, t = 410 cm, ∠U=27° and ∠V=78°. Find the length of v, to the nearest 10th of a centimeter.

Mathematics
1 answer:
telo118 [61]3 years ago
6 0

Answer:

v \approx 415.2\,cm

Step-by-step explanation:

The angle T is:

\angle T = 180^{\circ} - 27^{\circ} - 78^{\circ}

\angle T = 75^{\circ}

Now, the length of v is determine by the Law of Sines:

\frac{410\,cm}{\sin 75^{\circ}} = \frac{v}{\sin 78^{\circ}}

v = (410\,cm)\cdot \left(\frac{\sin 78^{\circ}}{\sin 75^{\circ}} \right)

v \approx 415.2\,cm

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Olegator [25]
Hope this helps somewhat

7 0
3 years ago
-(6x+6)+2=-6x-3 please solve
makkiz [27]

Answer:

There is no solution.

Step-by-step explanation:

To solve, use the order of operations. Follow them until you solve for x or just numbers remain.

-(6x + 6) + 2 = -6x - 3

-6x - 6 + 2 = -6x - 3

-6x - 4 = -6x - 3

-4 = -3

The answer is no solution since this is a false statement.

3 0
3 years ago
12. A photo album page can hold 6 photographs. You have 296 photographs. How many pages do you need?​
enot [183]
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4 0
3 years ago
Jon is selling tickets for the school talent show. On the 1st day, he sold 3 senior tickets and 12 child tickets for $195. On th
Allisa [31]
<h3>Question:</h3>

<em>Jon is selling tickets for the school talent show. On the 1st day, he sold 3 senior tickets and 12 child tickets for $195. On the 2nd day he sold 13 senior tickets for $299. Find the price of a senior citizen ticket.</em>

<h3>Answer:</h3>
  • $23

Create a system of equations to help you solve this problem. The system of equations will look like: 3s + 12c = 195 and 13s = 299. The variable s represents the cost of senior tickets and the variable c represents the cost of children tickets.

\left \{ {{3s~+~12c~=~195} \atop {13s~=~299}} \right.

Solve the second equation for the variable s as this is the easiest way to solve the problem. Solve the second equation for s by dividing both sides of the equation by 13 to isolate the variable s.

s = 23

Since the question was only asking for the price of a senior citizen ticket, you are technically done. The first equation was only put there to confuse you or allow you to check your work if you needed to. The price of a senior citizen ticket (variable s) is $23.

6 0
3 years ago
Can any one help me and work 2 or 3 of the problems for me to understand it
Alekssandra [29.7K]
To solve these problems you need to use the quadratic formula which is listed below. 

\frac{-b +/-  \sqrt{b^{2} - 4ac } }{2a}

So, if you take #2. 

The x^{2} has a 1 in front of it. The x has a -3 in front of it. The last number is also -3. So:

a = 1
b = -3
c = -3

Then you can plug all of these into the equation and simplify. Which gives you:

\frac{3 -/+  \sqrt{21} }{2}

4 0
3 years ago
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