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Ilya [14]
3 years ago
15

PLEASE HELP!! MATH QUESTION!! 20 points!!

Mathematics
2 answers:
Olenka [21]3 years ago
7 0

Answer:

the first one is a posituve

and the last 2 are negative

Step-by-step explanation:

Blababa [14]3 years ago
5 0
The first one is a posituve 

and the last 2 are negative



hope this help
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Will give brainliest
VikaD [51]

Answer: The number of the adult tickets is 168

Step-by-step explanation: * Lets explain how to solve the problem

- The adults ticket costs $10.50

- The students ticket costs $3.75

- The total money of the opening night is $2071.50

- The equation of the total money earned in the opening night is:

10.50 a + 3.75 b = 2071.50, where a is the number of the adult ticket

 and b is the number of the student ticket

- There were 82 students attended

* Lets solve the problem

∵ 10.50 a + 3.75 b = 2071.50

∵ The number of the students attended is 82

∵ b is the number of the students

∴ b = 82

- Substitute the value of b in the equation

∴ 10.50 a + 3.75(82) = 2071.50

∴ 10.50 a + 307.5 = 2071.50

- Subtract 307.5 from both sides

∴ 10.50 a = 1764

- Divide both sides by 10.50

∴ a = 168

∵ a is the number of the adult tickets

∴ The number of the adult tickets is 168

Give credit to ashraf 82

8 0
3 years ago
Calculate the area of triangle ABC with altitude CD, given A(6,-2) B(1,3) C(5,5) D(2,2)
Vikki [24]
The area will be half the product of the lengths of AB and CD.

|AB| = √((6-1)² +(-2-3)²) = 5√2
|CD| = √((5-2)² +(5-2)²) = 3√2

Area = (1/2)*(5√2)*(3√2) = (1/2)*(15*2) = 15

The appropriate choice is ...
  D: 15 square units
6 0
3 years ago
WILL CHOOSE BRAINLIEST!!!
Fed [463]

Answer:

I think it's the second one.

Step-by-step explanation:

Hope dis helps :D

6 0
2 years ago
Read 2 more answers
What is the value of the expression 4/7 ÷ 12/21
son4ous [18]
Your answer is 1
:::::::::

6 0
2 years ago
Read 2 more answers
What is 0.057×10 equal
lbvjy [14]
0.057x 10 is equal to .57. All you have to do is move the decimal to the right one time because there is one zero in 10. 
8 0
3 years ago
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