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Nonamiya [84]
3 years ago
6

Please help me!!!!!!!!!

Mathematics
2 answers:
Vlad [161]3 years ago
3 0

Answer:

57 degree

Step-by-step explanation:

Using cos formula again~

So AB^2=BC^2+AC^2-2*BC*AC*cosC

AB= 25.15cm

BC^2=AB^2+AC^2-2ABACcosA

Cos A=0.55

A=56.58degree

Brut [27]3 years ago
3 0
C is the Answer to Your question
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Find the value of X
rosijanka [135]

Try this solution:

1) (6x-10)+(6x+10)=180;

12x=180;

2) x=15.

Answer: A

5 0
3 years ago
Can someone find the sum?
viktelen [127]
X^2 + x + 1 + 3x^2 + 3x + 2. Just combine the like terms:

x^2 + 3x^2 + x + 3x + 1 + 2

4x^2 + 4x + 3. <--- the sum.
5 0
3 years ago
Read 2 more answers
A carnival charges two different prices for admissions. Adults cost $4 while children cost $1.50. If a total of $5050 was collec
GenaCL600 [577]

Answer:

Step-by-step explanation:

We have to have 2 different equations to solve this.  One equation will represent the number of tickets sold while the other represents the money collected when the tickets were sold.

We know that adult tickets + children tickets = 2200 tickets.

That's the "number of tickets" equation.  Let's call adult tickets "a" and children's tickets "c".  So a + c = 2200

Now if each adult costs $4, then the expression that represents that as a cost is 4a.  If there is 1 adult, the cost is $4(1) = $4; if there are 2 adults, the cost is $4(2) = $8; if there are 3 adults, the cost is $4(3) = $12, etc.

The same goes for the children's tickets.  If each child's ticket is $1.50, then the expression that represents the cost of a child's ticket is 1.5c (we don't need the 0 at the end; it doesn't change anything to drop it off).  The total money brought in from the cost of these tickets was $5050, so

4a + 1.5c = 5050

Let's solve the first equation for a.  If a + c = 2200, then a = 2200 - c.  Sub that into the second equation and solve it for c:

4(2200 - c) + 1.5c = 5050 and

8800 - 4c + 1.5c = 5050 and

-2.5c = -3750 so

c = 1500

That means that there were 1500 children's tickets sold.  If a + c = 2200, then a + 1500 = 2200 so

a = 2200 - 1500 so

a = 700

There were 1500 children's tickets sold and 700 adult tickets sold.

7 0
3 years ago
9 hours _____ minutes
LiRa [457]
9 hours is 540 minutes
5 0
2 years ago
Read 2 more answers
Help please!!
denpristay [2]

Answer:

1 - 3 = 2/ 6x +2=8x   8x-2 = 6x divided by 6x = 1x so there but if 1 to ur math is no solution then theres no solution but if there is a solution ur welcome! 5*

8 0
3 years ago
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