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Elden [556K]
2 years ago
14

What is the value of z in the equation 3z + 5 = 4z -8

Mathematics
2 answers:
Komok [63]2 years ago
8 0

Answer:

<h2>13</h2>

Step-by-step explanation:

     3z + 5 = 4z - 8

⇌  5 + 8 = 4z - 3z

⇌  13 = z

hjlf2 years ago
7 0

Answer:

-13

Step-by-step explanation:

i just took the test

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goldfiish [28.3K]

-$20.51+$29.75=x

x=original cost

9.24= x if you need it


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2 years ago
(your answer should be written as the sum and/or difference of the fractions, including the values of a, b, and
Sergio [31]
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3 years ago
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Ghella [55]

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Suppose log subscript a x equals 3, log subscript a y equals 7, and log subscript a z equals short dash 2. Find the value of the
enyata [817]

Answer:

<h2>24</h2>

Step-by-step explanation:

Given the following logarithmic expressions log_ax = 3, log_ay = 7, log_az = -2, we are to find the value of log_a(\frac{x^3y}{z^4} )

from\ log_ax = 3, x = a^3\\\\from\ log_ay = 7,y = a^7\\\\from\ log_az = -2, z = a^{-2}Substituting x = a³, y = a⁷ and z = a⁻² into the log function log_a(\frac{x^3y}{z^4} ) we will have;

= log_a(\frac{x^3y}{z^4} )\\\\= log_a(\dfrac{(a^3)^3*a^7}{(a^{-2})^4} )\\\\= log_a(\dfrac{a^9*a^7}{a^{-8}} )\\\\= log_a\dfrac{a^{16}}{a^{-8}} \\\\= log_aa^{16+8}\\\\= log_aa^{24}\\\\= 24log_aa\\\\= 24* 1\\\\= 24

Hence, the value of the logarithm expression is 24

6 0
3 years ago
finding the distance along a diagonal with the distance formula requires you evaluate a square root. true or false ?
bija089 [108]

Answer:

true

Step-by-step explanation:

Pythagoras is simply c² = a² + b².

so, it does not matter which side of the triangle we need, we will always have to solve a square root for the final result.

7 0
2 years ago
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