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Andrew [12]
3 years ago
11

Three students were given the expression shown to simplify.

Mathematics
1 answer:
masya89 [10]3 years ago
7 0
-21x+31 this is the answer you were looking for
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When 2 times a number is increased by 9 the answer is the same as when 30 is decreased by the number
galben [10]

Answer:

(2*n)+9=n-30

Step-by-step explanation:

I'm not sure but I think that is the equation

8 0
3 years ago
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Which of the following equations are linear or nonlinear?
gavmur [86]

Answer:

1. Linear

2. Nonlinear

3. Linear

4. Linear

5. Nonlinear

Step-by-step explanation:

Thies equation are in the form y=mx+b. Where m is the slope and b is the y-intercept. To solve them you neeed to see the power x is taken to. If the power on x is bigger than 1 than one, then it will curve at some point. This makes 2 and 5 nonlinear

4 0
3 years ago
Pls pls pls answer quick
antoniya [11.8K]

Answer:

5x+3=3x+15

Subtract 3 from both sides

5x=3x+12

Subtract 3x from both sides

2x=12

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Step-by-step explanation:

5 0
2 years ago
Find angle A using sin-1
ki77a [65]

Answer:

75°

Step-by-step explanation:

firstly, use the pythagoras theorem

Square root(8²-2²) = 7.75

Then, use sine

sine A= 7.75/8

Sine A=0.9688

A= (sine power of -1) x (0.9688)

A=75.63

5 0
3 years ago
Last week, a candle store received $355.60 for selling 20 candles. Small candles sell for $10.98 & large candles sell for $2
muminat
The answer is B. They sold 8
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2 years ago
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