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3 years ago

Audrey bought a refrigerator for $266 that was originally priced at $665. What percentage is the discount?

Mathematics

1 answer:

OlgaM077 [116]3 years ago

5 0

Answer:

40.6%

Step-by-step explanation:

discount percentage:

x/y*100

266/655 *100 which is 40.6%

Hope this helps plz hit the crown :D

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3 years ago

Find the derivative of 3e^y+x=y

Sindrei [870]

You have the following function:

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Derivate implictly the previous expression, as follow:

$y^{\prime}=3e^yy^{\prime}+1$

Where you have used that:

$(e^y)^{\prime}=e^yy^{\prime}$

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$y^{\prime}=3e^yy^{\prime}+1$

Next, solve for y' as follow:

$\begin{gathered} y^{\prime}-3e^yy^{\prime}=1 \\ (1-3e^y)y^{\prime}=1 \\ y^{\prime}=\frac{1}{1-3e^y} \end{gathered}$

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1 year ago

If the area of square 3 is 80 cm² and thee area of square 2 is 100 cm², what is the area of square 1?

swat32

Answer:

260 cm²

Step-by-step explanation:

Please see the attached picture for the full solution.

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2 years ago

What is the difference between a sequence and a series? What is the difference between a geometric and an arithmetic sequence?

Neporo4naja [7]

Answer/Step-by-step explanation:

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3 years ago

What is the value of the fourth term in a geometric sequence for which a1 = 30 and r = 1/2?

Pani-rosa [81]

Answer: The required fourth term of the geometric sequence is $\dfrac{10}{9}.$

Step-by-step explanation: We are given to find the value of the fourth term in a geometric sequence with first term and common ratio as follows :

$a(1)=30,~~~~~r=\dfrac{1}{2}.$

We know that

the n-th term of a geometric sequence with first term a1 and common ratio r given by

$a(n)=a(1)r^{n-1}.$

Therefore, the fourth term of the given geometric sequence will be

$a(4)=a(1)r^{4-1}=30\times r^3=30\times\left(\dfrac{1}{3}\right)^3=\dfrac{30}{27}=\dfrac{10}{9}.$

Thus, the required fourth term of the geometric sequence is $\dfrac{10}{9}.$

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3 years ago

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