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Elena-2011 [213]
3 years ago
5

5) Derek was surfing through the internet for a good deal on t-shirts. Help Derek find the

Mathematics
1 answer:
AlladinOne [14]3 years ago
5 0

Answer:

The first one

Step-by-step explanation:

To figure out which one is the best deal, for each one how much <em>one</em> t-shirt costs.

<u>First deal:</u>

3 t-shirts for $28.95

To figure out how much money one t-shirt would cost, you divide $28.95 by 3.

1 t-shirt = 28.95/3 = $9.65.

<u>Second deal:</u>

4 t-shirts for $39

Same thing as the last one, except since there are 4 t-shirts you divide $39 by 4.

1 t-shirt = 39/4 = $9.75

<u>Third deal:</u>

5 t-shirts for $49.95

This time you will divide 49.95 by 5.

1 t-shirt = 49.95/5 = $9.99

The last step is to compare the three deals, and since you are trying to find the one that costs the <em>least</em> you can see that the first deal is the best one, because $9.65 per shirt is cheaper than $9.75 and $9.99

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What value of c makes the polynomial below a perfect square?
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Step-by-step explanation:

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The radius of a circle is 9in. Find it’s circumference in terms of
Lady bird [3.3K]

{ \bf{ \underbrace{Given :}}}

Radius of the circle "r" = 9 in.

{ \bf{ \underbrace{To\:find:}}}

The circumference of the circle.

{ \bf{ \underbrace{Solution :}}}

\sf\orange{The\:circumference \:of\:the\:circle\:is\:56.52\:in.}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

We know that,

\sf\purple{Circumference\:of\:a\:circle \:=\:2πr }

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2 years ago
How do you do simple interest in math
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simple interest:

principal x ( 1 + (rate as decimal x number of years))

 example if you put 100 dollars in a bank for 5 years at 5% interest at the end of the 5 years you would have:

100 x (1+(0.05 x 5)) = 100 x (1+(0.25)) = 100 x 1.25 = 125 dollars


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7 0
3 years ago
Question 3(Multiple Choice Worth 2 points)
Lilit [14]

The equivalent expression is seven-fifths squared times one-third cubed. Then the correct option is D.

<h3>What is an equivalent expression?</h3>

The equivalent is the expression that is in different forms but is equal to the same value.

Five-sevenths squared times one-third raised to the power of negative three all raised to the power of negative one.

Convert the sentence into numerical form.

\rm \rightarrow \left [ \left (\dfrac{5}{7} \right )^2 \times \left ( \dfrac{1}{3}\right )^{-3} \right ] ^{-1}

Simplify the expression, then we have

\rm \rightarrow \left [ \left (\dfrac{7}{5} \right )^{2} \times \left ( \dfrac{1}{3}\right )^{3} \right ]

The equivalent expression is seven-fifths squared times one-third cubed. Then the correct option is D.

More about the equivalent link is given below.

brainly.com/question/889935

#SPJ1

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