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Archy [21]
2 years ago
13

Which measure does not change when a wave moves from one medium to another?(1 point)

Mathematics
1 answer:
Elden [556K]2 years ago
5 0

Answer:

The frequency and phase.

Step-by-step explanation:

The medium has no effect on the frequence or the phase.

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What is the value of n such that the expression x² + 11x + n is a perfect square trinomial? a. 11. b. 25. c. 30. d.25. e.36
lapo4ka [179]

Answer:

The value of n is 30.25.

Step-by-step explanation:

The given expression is

x^2+11x+n             ....(1)

The perfect square trinomial are defined as

(x+y)^2=x^2+2xy+y^2                 .....(2)

On comparing (1) and (2), we get

2y=11

y=\frac{11}{2}

The given expression is perfect square trinomial if

n=y^2

n=(\frac{11}{2})^2

n=\frac{121}{4}

n=30.25

Therefore the value of n is 30.25.

5 0
3 years ago
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Fofino [41]
Ok,
 f(0.35)= 7f/20

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5 0
4 years ago
5x+2y=7 as a ordered pair
Elenna [48]
(1, 1), 5 + 2 = 7, not that hard!
8 0
3 years ago
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Solve the equation.<br> 3x - 5 = -3<br> x = ?
Mama L [17]

Answer:

=5/6

Step-by-step explanation:

3x−5=−3x

3−5+5=−3+5

3 0
3 years ago
Write the expression without the fraction bar.
snow_tiger [21]
The answer is y^-1 :) when you have two exponents over a y in a fraction or divison, you always subtract the top from the bottom. hope this helps!
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3 years ago
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