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lozanna [386]
2 years ago
7

If Jill's age is 84 and johns age is 21 how many years ago was Jill 10 times older than john

Mathematics
1 answer:
I am Lyosha [343]2 years ago
5 0
Not sure if this is right but i gave it a go. hope it helps

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Which of the following represents the graph of f(x) = 2x + 2?
Wittaler [7]
Did u type the equation wrong none of these graphs match I believe the intercept would be 2
3 0
3 years ago
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A sinusoidal carrier wave has an amplitude of 5 volts, a frequency of 1MHz, and zero phase angle. Select the correct carrier wav
Vedmedyk [2.9K]

Answer:

The correct answer is b.

Step-by-step explanation:

The wave equation is given generally as:

c(x, t) = Acos(kx - wt)

Where A = amplitude

k = wave number

w = angular frequency.

x = horizontal distance moves by the wave.

t = time

The options show to us that the wave depends only on t and not (x, t).

Hence, the wave equation becomes:

c(t) = Acos(wt)

Given that:

A = 5 V

f = 1 * 10⁶ Hz

Angular Frequency, w, is given as:

w = 2πf

w = 2 * π * 1 * 10⁶ Hz

w = 2π(1 * 10⁶)

The wave equation becomes:

c(t) = 5cos(2*π*1*10⁶)

The correct answer is b.

6 0
3 years ago
The school office ordered 24 boxes of pens. Their total cost was $19152. What was the cost of 1 box of pens?
aleksley [76]

Answer:

one box costs $19152/24=$798

6 0
4 years ago
A real estate agent earns a 3% commission and has a goal of earning $6,000 in commissions next month. What is the dollar amount
Alex Ar [27]

Answer:

but I will not let him die

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v I I 56r6eyci fee will notify include his

6 0
3 years ago
Help no good at maths
lara [203]
We know that all angles of a triangle equal 180 when added together. We have two angle measures which are 3/2x and 1/2x
***3/2x + 1/2x + x = 180 degrees***
For the other way you can switch around the positions of the angles in the equation as long as the = stays 180 so like
X + 3/2x + 1/2x = 180
180 + x + 1/2x + 3/2x
Or maybe change the 3/2x to 1 1/2x
8 0
3 years ago
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