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3 years ago

6

Aidan and ethan were solving math problems together for homework adian did 410×10 to the fourth power would have 4 zeros in the

product because the exponent is 4 is adian correct?

1 answer:

agasfer [191]3 years ago

7 0

Answer:

No.

Step-by-step explanation:

410•10=4100 and 4100=41•100. We just need to focus on the 100. 100•100•100•100=100,000,000 which has 8 zeros, not 4 zeros.

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Answer:

MATLAB code for DSB-SC modulation.

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fm=fc/10; % message signal frequency

fs=100*fc;

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xc=cos(2*pi*fc*t);

xm=10*cos(2*pi*fm*t); % amplitude of sinusodial is 10

figure(1)

subplot(2,1,1),plot(t,xc);

title('carrier signal of 154 khz');

xlabel('time (sec)');

ylabel('amplitude');

subplot(2,1,2),plot(t,xm);

title('message signal of 15.4 khz');

xlabel('time (sec)');

ylabel('amplitude');

% DSB-SC MODULATION

z1= xm.*xc;

figure(2)

subplot(2,1,1),plot(t,z1);

title('DSB-SC MODULATION IN TIME DAOMAIN');

xlabel('time (sec)');

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l1=length(z1);

f=linspace(-fs/2,fs/2,l1);

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subplot(2,1,2),plot(f,abs(Z1));

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Step-by-step explanation:

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Answer:

Step 3

Step-by-step explanation:

The solution is given in the image attached. The steps are:

Step 1:

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Step 2: simplifying the coefficients of x:

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Step 3: Adding 1/4 to both sides

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Step 4: Multiplying both sides by 5/7

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The addition property of equality states that if a number is added to both sides of an equation, the equation is still valid (i.e the equation is still the same). From the steps above, The addition property of equality was applied in step 3

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