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OLga [1]
3 years ago
6

Please HELP ASAP! I attached everything to make it easy for u to understand. Please help quickly. Please be sure about your answ

er. I will be really grateful.

Mathematics
1 answer:
Assoli18 [71]3 years ago
6 0

Answer: 1, 3, 4, and 5 but stick with 1, 3, and 4

Step-by-step explanation:

just use a calculator to find 3, 4 is easy because red normally has more, and one is just an estimate

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A phase modulator produces a maximum phase shift of 45 degrees. The modulation frequency range is 300 to 4000 Hz. What is the ma
sergejj [24]

Answer:

Maximum frequency deviation is 2616.29509 Hz

Maximum frequency deviation=(4000-3000)cos45

Max frequency deviation=2616.29509 Hz

8 0
3 years ago
Wiat number should be added to both sides of the equation to complete the square? X^2+x=11
Ivahew [28]

Answer:

add 1/4 to each side

Step-by-step explanation:

x^2+x=11

We take the coefficient of the x term

1

Then divide it by 2

1/2

Then square it

(1/2) ^2 = 1/4

Add this to both sides of the equation

x^2 + x + 1/4 = 11+1/4

(x+1/2)^2 = 11 1/4

7 0
3 years ago
Read 2 more answers
11. If f(x)=4x-9, what is the equation for f^-1(x)?
FrozenT [24]
F(x) = 4x - 9

let f(x) = y, this implies that  x = f⁻¹(y)

y = 4x - 9           Let us solve for x.

4x - 9 = y

4x = y + 9

x = (y + 9)/4

Recall that x = f⁻¹(y),

x = (y + 9)/4

f⁻¹(y) = (y + 9)/4

That means that for f⁻¹(x)

f⁻¹(x) = (x + 9)/4

Hope this explains it.
3 0
3 years ago
Describe the graph of |x−2|≥4.
Gemiola [76]

Answer:oof

Step-by-step explanation:

7 0
3 years ago
What is the area? Bit confused on this one.
Nutka1998 [239]

Answer:

A = 9x² + 12x

Step-by-step explanation:

The area (A) of the rectangle is calculated as

A = height × width

  = 3(3x² + 4x) ← distribute parenthesis by 3

   = 9x² + 12x

7 0
3 years ago
Read 2 more answers
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