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MatroZZZ [7]
3 years ago
13

Which expression shows how to find the number of students that play each instrument. How many students play the clarinet?

Mathematics
2 answers:
Oduvanchick [21]3 years ago
7 0
8 + f/2 +f is the answer 

Andrei [34K]3 years ago
3 0
8=f/2=answer hope this helps
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Use algebraic rules of equations to predict the solution to the system of equations. Include all of your work for full credit.
dolphi86 [110]
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x=10-2y

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6y=-30+6y+30
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4 0
3 years ago
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Solve for X, will give you brainliest and a like
grigory [225]

Answer

Step-by-step explanation:

One solution  :

             x = -1/3 = -0.333

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

               -5*(3*x+1)+4*x-(10*x+2)=0

Step by step solution :

Step  1  :

Equation at the end of step  1  :

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Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  -21x - 7  =   -7 • (3x + 1)

Equation at the end of step  3  :

 -7 • (3x + 1)  = 0

Step  4  :

Equations which are never true :

4.1      Solve :    -7   =  0

4 0
3 years ago
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I didn’t learn about this can you help me with this
arlik [135]
If you're taking trig, the "sum and difference formulas for trig functions" are basic facts that you'll need to learn and commit to memory.  I'd suggest you look up these formulas on the net.  You will likely immediately find listings for the sine, cosine and tangent.
5 0
3 years ago
What is the range of the function y = x 2?
garik1379 [7]

Answer:

The range of the function y = x2 is all real numbers, y, such that y ≥ 0. In the case of the function y = x2, the domain consists of all real numbers, because there is no number that, when plugged in for x into x2, would create an undefined expression.

Step-by-step explanation:

7 0
3 years ago
What is the measure of an angle that is complementary to a 47° angle?
77julia77 [94]
Complementary angles add up to 90 so
angle + 47 = 90
angle = 90 - 47
angle = 43 so A
6 0
3 years ago
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