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Salsk061 [2.6K]
3 years ago
5

PLSSSS HELP I REALLY NEED TO PASS. What is the wave velocity if the wave length is 100 cm and the frequency is 2 Hz?

Mathematics
2 answers:
pishuonlain [190]3 years ago
7 0
D
use the formula speed = wavelength x wave frequency
Leni [432]3 years ago
3 0
Anwser: d



step by step explanation:
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Need help quick simplify the expression (-4) power of 3
dezoksy [38]

Answer:

-64

Step-by-step explanation:

The question is asking to solve (-4)^3

Notice how the -4 is in parenthesis. This means that along with the 4 being multiplied, the negative is too.

(-4)^3 is the same as -4 · -4 · -4

First let's figure out if this will be negative or positive

Whenever the exponent is odd and there is a negative in the parenthesis the answer will be negative and if its even it will be positive

Now find out what 4 x 4 x 4 equals (64)

In conclusion the answer is -64

8 0
3 years ago
The ages of three friends are represented by three consecutive odd numbers. The sum of their ages is 63. If the youngest is repr
son4ous [18]

Answer:

x+(x+2)+(x+4)=63

Step-by-step explanation:

3 0
2 years ago
How many solutions does this equation have?
Greeley [361]

Answer:

No solution

Explanation:

-4+19-7f = -15-7

cancel terms on both sides ( add 7f on both sides)

Calculate the sum

-4+19= -15

-4+19=15

15 = -15

The statement 15 = -15 is false so there is no solution :)

4 0
2 years ago
6) (3x+3)(x - 1)<br> A) 3x² – 3<br> B) 16x² + 28x - 8<br> C) 16x + 36x + 8<br> D) 16x2 + 8
telo118 [61]

Answer:

the answer to this is

3x {}^{2}  - 3

6 0
3 years ago
What properties will you use next to solve the equation
ella [17]

Answer:

To solve an equation you can use PEMDAS, standing for parenthesis, exponents, multiplication, division and addition. If it's an equation like, x/3+7+13, you could use the distributive property. By separating variables.

Step-by-step explanation:

7 0
3 years ago
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