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3 years ago

11

Math help (radical expressions) ???

2 answers:

PtichkaEL [24]3 years ago

7 0

Answer:

$D$

Step-by-step explanation:

$\frac{4^{1/4}b^{3/4}}{a^{1/2} }$

$\frac{\sqrt{2} * b^{3/4} }{\sqrt{a} }$

Vinil7 [7]3 years ago

4 0

Answer:

radicial expressions

Step-by-step explanation:

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2 years ago

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Find an explicit rule for the nth term of the arithmetic sequence.<br><br> -13, -7, -1, 5, ...

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-13 + 5*n-1 I think

Step-by-step explanation:

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2 years ago

2z^4-10z^3+4z^2 factorable?

charle [14.2K]

Yes
factor out the 2z^2 in each term
(2z^2)(z^2-5z+4)
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z^2-5z+4
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2 years ago

Points X and Z are on a number line, and point Y partitions

abruzzese [7]

Answer:

The coordinate of $Z$ is 13.36.

Step-by-step explanation:

According to the statement, we have the following information:

$\frac{XY}{XZ} = \frac{5}{12}$ (1)

$\frac{YZ}{XZ} = \frac{7}{12}$ (2)

$X = 0.4$ (3)

$Y = 5.8$ (4)

From (2), we have the following expression:

$YZ = \frac{7}{12}\cdot XZ$

$Y-Z =\frac{7}{12}\cdot (X-Z)$

$Y - Z = \frac{7}{12}\cdot X -\frac{7}{12}\cdot Z$

$Y-\frac{7}{12}\cdot X = Z-\frac{7}{12}\cdot Z$

$\frac{5}{12}\cdot Z = Y-\frac{7}{12}\cdot X$

$5\cdot Z = 12\cdot Y-7\cdot X$

$Z = \frac{12}{5}\cdot Y-\frac{7}{5}\cdot X$ (5)

If we know that $Y = 5.8$ and $X = 0.4$ , then the coordinate of $Z$ is:

$Z = \frac{12}{5}\cdot (5.8)-\frac{7}{5}\cdot (0.4)$

$Z = 13.36$

The coordinate of $Z$ is 13.36.

6 0

2 years ago