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Brut [27]
3 years ago
9

4" alt=" log_{3}(4x + 1) = 4" align="absmiddle" class="latex-formula">
solving logarithmic equations ​
Mathematics
1 answer:
const2013 [10]3 years ago
5 0

Answer:

x=20

Step-by-step explanation:

log3(4x+1) = 4

Raise each side to the base of 3

3^log3(4x+1) = 3^4

4x+1 = 3^4

4x+1 = 81

Subtract 1 from each side

4x+1-1 = 81-1

4x= 80

Divide by 4

4x/4 = 80/4

x = 20

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Write each fraction or mixed number as a decimal 7/20
horsena [70]

Answer:

\large\boxed{\dfrac{7}{20}=0.35}

Step-by-step explanation:

\bold{METHOD\ 1}\\\\\dfrac{7}{20}=7:20=0.35\\\\\text{Use a calculator or long division}\\\\.\qquad\underline{0.35}\\.\ \ 20|7\\.\ \ \ \ \ \underline{\ 0}\\.\qquad70\\.\ \ \ \ \ \underline{\ 60}\\.\qquad100\\.\qquad\underline{100}\\.\qquad==

\bold{METHOD\ 2}\\\\\dfrac{7}{20}=\dfrac{7\cdot5}{20\cdot5}=\dfrac{35}{100}=0.35

7 0
4 years ago
Hello, everyone! I am in high school and I need help with my geometry homework! I will also mark you as the brainliest answer if
ale4655 [162]

A) #3 y = x+3, if you subtract x from y there is a difference of 3 in all of them.

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7 0
4 years ago
What is the mapping between an input and an output
bazaltina [42]
Input the first coordinate of an ordered pair in a relation and output the second coordinate of an ordered pair.
6 0
3 years ago
Chad buys peanuts in 2-pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2-pound bags of peanuts
Pepsi [2]
You need to get a whole so
5/6+5/6=10/6 not a whole
10/6+5/6 =15/6= not a whole
15/6 +5/6= 20/6 not a whole
20/6+5/6=25/6 not a whole
25/6+5/6=30/6
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Hoped this helped

3 0
3 years ago
On a piece of paper, use a protractor to construct a triangle with angle measures of 20° and 30°.
lesya [120]

Answer:

Acute angle

Explanation:

An acute angle is an angle that measures less than 90° but greater than 0°.

5 0
3 years ago
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