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Ksenya-84 [330]
3 years ago
7

Given m||n, find the value of x. + (5x+2) (4x+6)°

Mathematics
1 answer:
Anon25 [30]3 years ago
7 0

The required value of x is 4.

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Let f(x)=−42x+3. Evaluate f(−1)
Salsk061 [2.6K]

Step-by-step explanation:

f(-1)=-42(-1)+3....placing -1 in x

f(-1)=42+3

f(-1)=45

3 0
3 years ago
Explain why the polynomial 144x^2 − 200x + 81 is not a perfect square. HELP PLEASE!!
loris [4]
D. The middle term does not equal the outer terms multiplied together * 2. 
4 0
3 years ago
An analog signal with a bandwidth of 36MHz is sampled at a frequency (fs) of 36,000,000 samples per second during the ADC (analo
Elza [17]

Answer:

The signal would have experienced aliasing.

Step-by-step explanation:

Given that:

the bandwidth of the signal f_m = 36MHz

= 36 × 10⁶ Hz

The sampling frequency f_s = 36 × 10⁶ Hz

Suppose the sampling frequency is equivalent to the bandwidth of the signal, then aliasing will occur.

Therefore, according to the Nyquist criteria;

Nyquist criteria posit that if the sampling frequency is more above twice the maximum frequency to be sampled, a repeating waveform can be accurately reconstructed.

∴

By Nyquist criteria, for perfect reconstruction of an original signal, i.e. the received signal without aliasing effect;

Then,

f_s \geq 2f_m

∴

The signal would have experienced aliasing.

4 0
3 years ago
The value of y varies directly with x, and y=3 when x=9 find y when x = 21
tester [92]

Answer: y = 7

Step-by-step explanation:

Step 1) plug in 3 for y and 9 for x in the direct variation formula, which is y = kx

3 = k(9)

Step 2) Solve for k

3 = k(9) (Divide by 9 on both sides)

3/9 = k (Now simplify 3/9)

1/3 = k. So k = 1/3

*just FYI: “k” is the constant of variation.

Step 3) use the equation y = kx and plug in 1/3 for k

y = 1/3x

Step 4) using the equation y = 1/3x, plug in 21 for x.

y = 1/3(21) (1/3*21 is the same as 21/3)

y = 21/3 (21/3 = 7)

y = 7. So that’s you’re answer! When x=21, y=7 because 7 is 1/3 of 21!

Hope this helps! My best wishes to you as you go through school!

3 0
3 years ago
Silva set up a dog-walking business. He earned $60 in June. He is projected to earn 110% more in July. How much is Silva project
MissTica

Answer:

$126

Step-by-step explanation:

just used the calculator

4 0
3 years ago
Read 2 more answers
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