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Lelechka [254]
3 years ago
6

A $60.00 pair of shows is discounted 25% and then marked up 25%

Mathematics
1 answer:
Anika [276]3 years ago
7 0
It would seem that the 25% down and 25% increase would cancel each other out and the shoes would remain $60
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Select all of the potential solution(s) of the equation 2log5x = log54.
Vanyuwa [196]

Answer:

x = ±2

Step-by-step explanation:

A equation is given to us , which is ,

\longrightarrow 2log_5(x) = log_5 4

From <u>properties </u><u>of </u><u>logarithm </u>we know that ,

\longrightarrow alog\ m = log \ m^a

Applying this to LHS , we have ;

\longrightarrow log_5 x^2 = log_5 4

Now the bases of logarithm on LHS and RHS is same . On comparing , we have ;

\longrightarrow x^2 = 4

Put square root on both sides,

\longrightarrow x =\sqrt{4}

Simplify ,

\longrightarrow \underline{\underline{ x =\pm 2 }}

This is the required answer.

6 0
2 years ago
You answered 85% of the questions on the quiz correctly. What fraction of the questions did you answer correctly?
victus00 [196]
A percentage is out of 100.

85/100

in lowest terms this is

17/20
7 0
3 years ago
Evaluate f(x) = 2|x – 5| for f(–5) and f(0).
Elanso [62]

Answer:

f(–5) = 20, f(0) = 10

Step-by-step explanation:

f(-5):

f(-5) = 2|-5 -5|

f(-5) = 2|-10|

f(-5) = 2(10)

f(-5) = 20

f(0):

f(0) = 2|0 - 5|

f(0) = 2|-5|

f(0) = 2(5)

f(0) = 10

7 0
2 years ago
In the following equation the letter x is known as the:<br> 3x+1=10
hoa [83]

Answer: X = 9

Step-by-step explanation:

First, Take 1 away from 10. 10 - 1 = 9. Then divide 9 by three. 9 divided by three is 3, so X = three.

6 0
3 years ago
4x-8 = 12<br> 4x - 8 + 8 = 12 + 8<br> 4x= 20<br> 4/4x=20/4 x=
TEA [102]

Answer:

x=5

i just got it right on my quiz

5 0
3 years ago
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