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Lilit [14]
3 years ago
7

Evaluate the expression without using a calculator: log10^3x-2y

Mathematics
2 answers:
kykrilka [37]3 years ago
4 0

Answer:

\huge\boxed{\log10^{3x-2y}=3x-2y}

Step-by-step explanation:

\text{Use}\\\\(1)\log x=\log_{10}x\qquad(x>0)\\\\(2)\log_ab^n=n\log_ab\qquad(a>0;\ a\neq1;\ b>0)\\\\(3)\log_aa=1\qquad(a>0;\ a\neq1)\\\\\log10^{3x-2y}=\underbrace{(3x-2y)\log10}_{(2)}=\underbrace{(3x-2y)\log_{10}10}_{(1)}=\underbrace{(3x-2y)(1)}_{(3)}=3x-2y

Kruka [31]3 years ago
3 0

Answer:

3x-2y

Step-by-step explanation:

log10^(3x-2y)

We know the base is base 10 since it is not written

log10 10^(3x-2y)

The log10 10 cancels

3x-2y

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A regular polygon has a exterior of 18 degrees. How many sides does it have?
blondinia [14]
The formula of the measurement of an exterior angle of a regular polygon is
β = 360°/n
where β = exterior angle and n = number of sides

Therefore,
n = 360°/β = 360°/18° = 20 sides
4 0
3 years ago
Read 2 more answers
Help with math question please <br> thankksssss
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3 years ago
8) A total of 1456 people attended a high school football game. The cost was $5 for adults and $2.50 for students. If the
MAXImum [283]

Answer:

the answer is 762 adults and 694 students.

Step-by-step explanation:

762 x 5.00 = 3810

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now add 3810 + 1735 = 5545

8 0
3 years ago
5750 divided by 3.78
Tems11 [23]

Answer:

1521.16402

Step-by-step explanation:

use fraction- division format\frac{x}{y}

\frac{5750}{3.78}

Multiply the numerator and denominator by 100

\frac{575000}{378}

Reduce by 2

\frac{287500}{189}

Now do long division

          1521. 164022

189|287500

   -  189

        985

     -  945

           400

         - 378

              220

            - 189

                310

              - 189

                  1210

                - 1134

                     760

                   - 756

                          40

                         -  0

                           400

                         - 378

                              22

           

5 0
1 year ago
Read 2 more answers
4) The triangle on the right is an equilateral <br><br> Find the value of X and Y
ozzi

Answer:

<em>angle Y is 29 degrees</em>

<em>angle X is 120 degrees</em>

Step-by-step explanation:

Well, if the triangle is an equilateral, then all the angles are equal to

60 degrees

that means the the angle at the top point is 60+31 = 91 degrees

the right point is 60 degrees

every triangle has 180 degrees total

180 - (91+60) = 29 degrees

NOW FORGET ABOUT THE EQUILATERAL FOR A BIT

180 = 31+x+29

simplify

180 = 60+x

subtract 60 from both sides

120 = x

7 0
3 years ago
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