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2 years ago

2+1 giveaway tell me thanks wen done

Mathematics

2 answers:

tatyana61 [14]2 years ago

7 0

Answer:

Step-by-step explanation:

mars1129 [50]2 years ago

6 0

Answer: 3

Steps:
2 + 1 = 3

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Tanya is buying a skateboard for $42.38,a helmet for $17.60,and a set of elbows an nee pads for $12.89.She estimates the total c

Mila [183]

Her estimate is lower than her actual cost because her total is 72.87 she is off by 1.72 because she only added 42,17,and 12 and forgot all about adding the cent or the .60,.38,and the .89.

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2 years ago

What are the potential solutions of log4x+log4(x+6)=2?

lions [1.4K]

The potential solutions of $log_4x+log_4(x+6)=2$ are 2 and -8.

<h3>Properties of Logarithms</h3>

From the properties of logarithms, you can rewrite logarithmic expressions.

The main properties are:

Product Rule for Logarithms - $log_{b}(a*c)=log_{b}a+log_{b}c$
Quotient Rule for Logarithms - $log_{b}(\frac{a}{c} )=log_{b}a-log_{b}c$
Power Rule for Logarithms - $log_{b}(a^c)=c*log_{b}a$

The exercise asks the potential solutions for $log_4x+log_4(x+6)=2$ . In this expression you can apply the Product Rule for Logarithms.

$log_4x+log_4(x+6)=2\\ \\ x*(x+6)=4^2\\ \\ x^2+6x=16\\ \\ x^2+6x-16=0$

Now you should solve the quadratic equation.

Δ= $b^2-4ac=36-4*1*(-16)=36+64=100$ . Thus, x will be $x_{1,\:2}=\frac{-6\pm \:\sqrt{100} }{2\cdot \:1}=\frac{-6\pm \:10}{2}$ . Then:

$x_1=\frac{-6+10}{2}=\frac{4}{2} =2\\ \\ \:x_2=\frac{-6-10}{2}=\frac{-16}{2} =-8$

The potential solutions are 2 and -8.

Read more about the properties of logarithms here:

brainly.com/question/14868849

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2 years ago

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antiseptic1488 [7]

Answer:

Step-by-step explanation:

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2 years ago

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AlladinOne [14]

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2 years ago

Which answer shows the equation y-x=5 written in slope intercept form

Mekhanik [1.2K]

Slope intercept form is y=mx+b so the answer is y=x+5

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3 years ago

Read 2 more answers

2+1 giveaway tell me thanks wen done​

2+1 giveaway tell me thanks wen done