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Serjik [45]
2 years ago
5

HELP PLS I GOT 9 MINUTESS

Mathematics
2 answers:
Aloiza [94]2 years ago
8 0

Answer:

84

Step-by-step explanation:

pretty sure

slega [8]2 years ago
5 0
84!!!!!!!!!!!!!!!!shdhdhshhsis
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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
URGENT!!!!!
VikaD [51]

Answer:

A) 240 m^3

Step-by-step explanation:

5 0
3 years ago
F(x)=|3x+5|+6<br> g(x)=7<br> find (f+g) (x).
horrorfan [7]

Answer:

(f+g) (x)=\mid 3x+5\mid+13

Step-by-step explanation:

<u>Operation of Functions</u>

Given:

f(x)=\mid 3x+5\mid+6

g(x)=7

The sum of (f+g) (x) is:

(f+g) (x)=\mid 3x+5\mid+6+7

We cannot operate with the expression inside the absolute bars, thus:

\boxed{(f+g) (x)=\mid 3x+5\mid+13}

8 0
3 years ago
How do u do this equation
Sladkaya [172]

Answer:

8 kittens


Step-by-step explanation:

so is 17 kittens are napping do that minus 9 you can use tally marks if u like

7 0
3 years ago
Hurry up need this answered quickly!
Naddik [55]

Answer:

26.3158 percent chance fraction is 500/19

Step-by-step explanation:

hope this helps

pls mark brainliest

fraction is 500/19

3 0
3 years ago
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