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2 years ago

If there are 4 quarters in one dollar, how many quarters are in five dollars

Mathematics

2 answers:

Kazeer [188]2 years ago

6 0

Answer:

lol. There are 20 quarters in 5 dollars.

Step-by-step explanation:

galben [10]2 years ago

6 0

20 Quarters

If each dollar has 4 quarters and your finding the amount for 5 dollars then multiply 4 by 5 to get 20 quarters total

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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

4 0

2 years ago

The question is: find 55% of $4.80...how do I find the answer?

tresset_1 [31]

4.80 = 100%
x = 55%

Cross Multiply

100 * x = 55 * 4.80
100x = 264
x = <u>264</u>
100
x = 2.64

Solution: $2.64

6 0

2 years ago

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Numbers 50, 42, 35, 2x + 10, 2x -8, 12, 11,8 are written in descending order and their median is 25, find x.

Natalija [7]

Answer:

Step-by-step explanation:

25=mean of (5th+6th value)

25=1/2*(2x-8+2x+10)

25=1/2*4x+2

4x+2=50

4x=48

x=12

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6 0

3 years ago

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Which is greatest 895mm or 8,98mm?

inessss [21]

898 mm because 8.98 is a lot smaller, it's only in the ones place.

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3 years ago

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Lines need to be painted on the field at a football stadium. The painter estimated that one can of paint would last 11 yards. Ho

zlopas [31]

Answer:

area = pi*24^2/4 = 452 yd^2

so that means you will need 452/59 = 7.6 (or 8) gallons

8 0

2 years ago