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Zielflug [23.3K]
1 year ago
11

PLEASE ME HELP ASAP THANK YOUUU

Mathematics
1 answer:
KatRina [158]1 year ago
3 0

Answer:

<3 and <4

Step-by-step explanation:

From the diagram above,

Exterior angles are angles formed outside the triangle.

The angles are: <3 and <4

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A music store sold a total of 27 used trumpets and clarinets in one month. Trumpets cost $149 and clarinets cost $99. If total s
vodomira [7]
Answer: 16

Solution:

1) Use letters to identify the variables:

Number of trumpets: t
Number of clarinets: c

2) Translate each statement into algebraic (mathematical) language.

2.1) Sold a total of 27 used trumpets and clarinets

=> t + c = 27

2.2) Trumpets cost $149 and clarinets cost $99

Total cost of the trumpets: 149t
Total cost of clarinets: 99c

Total cost = 149t + 99c

2.3) Total sales were $3223

=> 149t + 99c = 3223.

3) State the system of equations:

Equation (1) t + c = 27
Equation (2) 149t + 99c = 3223

4) Solve the system of equations:

4.1) Multiply equation 1 by 149:

=> 149t + 149c = 4023

4.2) Subtract the equation (2) from the equation obtained in 4.1

=> 149c - 99c = 4023 - 3223

=> 50c = 800

=> c = 800 / 50 = 16

5) Verify the solution:

From equation (1) t = 27 - 16 = 11

Total cost = 149*11 + 99*16 = 3223

Now you have a verified answer: they sold 16 clarinets
7 0
3 years ago
PLEASE HELP!!!!
kondaur [170]
Add 6 to left middle and right
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2 years ago
What is the shape 1 circular base and 1curved surface
swat32
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3 years ago
Read 2 more answers
Is 3 1/4 closer to 3 or 4<br><br><br>is 3 3/5 closer to 3 or 4​
agasfer [191]

Answer:3 and 1/4 is closer to 3 and 3/5 is closer to 4

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3 0
2 years ago
What is the factored form of the expression 9x^2+24x+16?
igor_vitrenko [27]

This is the product of the square of a binomial expression. Therefore, it will have two factors.

Square of a binomial: a² + 2ab + b² = (a+b)²

The process:

9x² + 24x + 16

= (3x)² +2(3x)(4) + (4)²

= (3x + 4)² or (3x+4)(3x+4)

I hope this helps :)

4 0
3 years ago
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