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Zigmanuir [339]
3 years ago
9

Answers:

Mathematics
1 answer:
ryzh [129]3 years ago
4 0
Answers:

☆☆☆☆☆☆☆☆aTriangle ZYX
bTriangle YZX
cTriangle XZY
dTriangle XYZ
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Tickets to a local circus cost $5 for students and $8 for adults. A group of 9 people spent a total of $60. How many adults were
S_A_V [24]

Answer:

5

Step-by-step explanation:

You need to set up and solve a system of linear equations here.

Let s and a represent the number of students and adults respectively.

Then s + a = 9, and s = 9 - a.

Total ticket cost for the adults was ($8/adult)(a)

and for the students ($5/student)(s).

Total cost of the tickets was then  ($8/adult)(a) + ($5/student)(s) = $60.

Then our system of linear equations is:

8a + 5s = 60

 a  +  s  = 9, or s = 9 - a.  Substituting 9 - a for s, we get:

8a + 5(9 - a) = 60.

Then 8a + 45 - 5a = 60, or 3a = 15.

Solving for a, we get a = 5.

Solving for s using s = 9 - a, we get   s = 9 - 5, or s = 4.

There were 5 adults in the group (and 4 students).

3 0
3 years ago
What is the approximate length of the radius of a circle with a circumference of 63 inches?
Sergeeva-Olga [200]

Answer: 63/2π

Step-by-step explanation: C=πd  

                                             63=πd

                                             D=63/π

r=1/2d

1/2×63/π=<u>63/2π</u>

       

5 0
3 years ago
Is this a complementary, supplementary, vertical, or adjacent <br><br>ill give brainly​
WINSTONCH [101]

Answer:

its complemtary

Step-by-step explanation:

check this photo

6 0
3 years ago
Picture above please solve
Y_Kistochka [10]

Answer:

1) 3x(3x-1)

2)5(9x^2-3x+1)

6 0
3 years ago
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What is (2x^2+2x-6) times (x-4)?
andreev551 [17]

Answer:

2x^3-6x^2-14x+24

Step-by-step explanation:

7 0
3 years ago
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