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Arte-miy333 [17]
3 years ago
11

Explain why -7 would not be a cube root of 343​

Mathematics
1 answer:
Korolek [52]3 years ago
7 0

Answer:

Because -7 will be imaginary number .

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Help me plz i want help plz
netineya [11]

Answer:

384

Step-by-step explanation:

6 squares of 8x8=

8x8x6=384

8 0
3 years ago
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Is the fraction 6 1/2 equal to 73?
MArishka [77]

Answer:

No 6 1/2 is 6.5, which is not 73

Step-by-step explanation:

5 0
3 years ago
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Find f. f ″(x) = x^−2, x > 0, f(1) = 0, f(6) = 0
marin [14]

If you do in fact mean f(1)=f(6)=0 (as opposed to one of these being the derivative of f at some point), then integrating twice gives

f''(x) = -\dfrac1{x^2}

f'(x) = \displaystyle -\int \frac{dx}{x^2} = \frac1x + C_1

f(x) = \displaystyle \int \left(\frac1x + C_1\right) \, dx = \ln|x| + C_1x + C_2

From the initial conditions, we find

f(1) = \ln|1| + C_1 + C_2 = 0 \implies C_1 + C_2 = 0

f(6) = \ln|6| + 6C_1 + C_2 = 0 \implies 6C_1 + C_2 = -\ln(6)

Eliminating C_2, we get

(C_1 + C_2) - (6C_1 + C_2) = 0 - (-\ln(6))

-5C_1 = \ln(6)

C_1 = -\dfrac{\ln(6)}5 = -\ln\left(\sqrt[5]{6}\right) \implies C_2 = \ln\left(\sqrt[5]{6}\right)

Then

\boxed{f(x) = \ln|x| - \ln\left(\sqrt[5]{6}\right)\,x + \ln\left(\sqrt[5]{6}\right)}

3 0
2 years ago
The product of (-3xy?)(5x²y3) is
egoroff_w [7]

Answer:

-3xy

Step-by-step explanation:

7 0
3 years ago
Angle ABC measures 30 degrees. It is rotated 90 degrees to create Angle A’B’C’. What is the measure of Angle A’B’C’?
Studentka2010 [4]
A. 30 degrees

We just rotated the figure but we didn't change the angles!
8 0
3 years ago
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