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Inga [223]
3 years ago
9

The tax rate as a percent, r, charged on an item can be determined using the formula – 1 = r, where c is the final cost of the i

tem and p is the price of the item before tax. Louise rewrites the equation to solve for the final cost of the item: c = p(1 + ). What is the final cost of a $40 item after an 8% tax is applied?

Mathematics
2 answers:
Vladimir [108]3 years ago
5 0
Sent a picture of the solution to the problem (s).

klio [65]3 years ago
4 0

Answer:$43.20

Step-by-step explanation:

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A book had a length of 5 inches and a width of 8 inches. What is the perimeter of the book
andreev551 [17]
26 inches hope this helps

4 0
3 years ago
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The rectangle shown has a perimeter of 7272 cm and the given area. its length is 66 more than four timesfour times its width. wr
Vadim26 [7]
<span>Width = 6 Length = 30 We know the perimeter of a rectangle is simply twice the sum of it's length and width. So we have the expression: 72 = 2*(L + W) And since we also know for this rectangle that it's length is 6 more than 4 times it's width, we have this equation as well: L = 6 + 4*W So let's determine what the dimensions are. Since we have a nice equation that expresses length in terms of width, let's substitute that equation into the equation we have for the perimeter and solve. So: 72 = 2*(L + W) 72 = 2*(6 + 4*W + W) 72 = 2*(6 + 5*W) 72 = 12 + 10*W 60 = 10*W 6 = W So we now know that the width is 6. And since we have an expression telling us the length when given the width, we can easily determine the length. So: L = 6 + 4*W L = 6 + 4*6 L = 6 + 24 L = 30 And now we know the length as well.</span>
5 0
3 years ago
Can someone plz help? I do not understand
Slav-nsk [51]

Answer:

y=x no

y=12x yes

y=1.6x yes

y=3/(4x) no

y=2x+1 no

y=3+x no

Step-by-step explanation:

4 0
3 years ago
What is the area of a rectangle with side lengths 2/5 feet and 4/6 feet?
kotegsom [21]

Answer:

\frac{4}{15}  (4/15)

Step-by-step explanation:

\frac{4}{6}=\frac{2}{3}

\frac{2}{5}*\frac{2}{3};

1- Multiply the numerators:

2*2=4

2- Multiply the denominators:

5*3=15

3- Thus:

\frac{2}{5}*\frac{2}{3}= \frac{4}{15}

Hope this helps ;)

4 0
3 years ago
Sarah has two similar rectangular boxes. The dimensions of Box 1 are four times those of Box 2.
Elena-2011 [213]

Answer: 16

Step-by-step explanation:

an area is always calculated by multiplying 2 dimensions.

when changing the dimensions, then the change factors for EACH dimension go into the calculation too.

therefore, when both dimensions of an area are enlarged 4 times, then the area is enlarged 4×4 = 16 times.

this just propagates to the whole surface area of an object, as each individual area of the overall surface area is enlarged by the same factor. and so, the sum of all the individual areas (= altogether the surface area of the object) is also enlarged in total by the same factor.

just think

16×a + 16×b + 16×c ... = 16×(a+b+c+...)

4 0
3 years ago
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