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konstantin123 [22]
4 years ago
9

mrs. katz bought 3 pounds of apples and a muffin for snacks. the apples cost $2.12 per pound. the muffin cost $1.95. how much di

d she spend?
Mathematics
2 answers:
dybincka [34]4 years ago
8 0
So, because there are 3 pounds of apples, you multiply the unit cost of each pound, $2.12, by 3. If you add that answer to the $1.96 for the muffin, you should get a total of $8.31. So, Mrs. Katz spent $8.31.
lesya [120]4 years ago
6 0
If apples cost 2.12$ per pound, then 3 pounds of 2.12$ apples costs 6.36$!  Plus the muffin, which costs 1.95$, the grand total is 8.31$! (6.36+2.12=8.31)
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Consider the given rectangle with heightequals4timeswidth. Let x be the width of the rectangle. Write an expression for the​ per
Salsk061 [2.6K]

Answer:

<h3>The expression for the perimeter P is P=\frac{784+h^2}{2h} feet.</h3><h3> Area=49=lx square feet ( here x=\frac{h}{4} )</h3>

Step-by-step explanation:

Given that rectangle with height equals 4times width.

It can be written as

h=4\times width

Let x be the width of the given rectangle

Therefore h=4\times x

h=4x

\frac{h}{4}=x

Rewritting the above equation we get

x=\frac{h}{4}

<h3>To write an expression for the perimeter P of the given rectangle :</h3>

Also given that area of the rectangle is 49 square feet.

Area=49 square feet.

We know area of rectangle = lw square units.

<h3>Therefore area=49=lx square feet ( here area=49 and w=x=\frac{h}{4} )</h3>

Rewritting we get

lx=49 square feet.

l=\frac{49}{x}

=\frac{49}{\frac{h}{4}}

l=\frac{49\times 4}{h}

<h3>l=\frac{196}{h} feet</h3><h3>Perimeter P=2(l+w) units </h3>

P=2(\frac{196}{h}+\frac{h}{4})

P=\frac{2(196)}{h}+\frac{2(h)}{4}

=\frac{392}{h}+\frac{h}{2}

=\frac{392(2)+h^2}{2h}

<h3>P=\frac{784+h^2}{2h} feet.</h3>

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3 years ago
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Answer:

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Initially started 20 feet from the ground . 
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Went down 42 feet 
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Finally, went down 90 feet
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3 0
3 years ago
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Answer:

2.) 258cm^{2

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