You have found a pair of shoes that you want to buy online.Zappo's has the shoes for 49.99 and you have a coupon for 20

1 answer:

6 0

you multiply .20 by 44.99 and you get 8.998 you subract 49.99 by 8.998 and you get 35.992 and you round to the nearest cent which is 35.99 the answer :)

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In two or more complete sentences, explain the theorem used in solving for the range of possible lengths of the third side, AB o

Luden [163]

You can use the Pythagorean Theorem to find the length of the third side AB (Identified as "x" in the figure attached in the problem), which says that in a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of the legs:
a² = b²+c²
As we can see the figure, the triangle does not have an angle of 90°, but it can be divided into two equal parts, leaving two triangles with a right angle. We already have the values of the hypotenuse and a leg in triangle "A" , so we can find the value of the other leg:
b = √(a²-c²) b = √(10²-4²) b = 9.16
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3 years ago

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S1.
32, 16, 0, -16, ...
It's an arithmetic sequence:
$a_1=32;\ d=16-32=-16\\\\a_n=a_1+(n-1)d\\\\a_n=32+(n-1)\cdot(-16)=32-16n+16=48-16n$

S2.
32, 16, 8, 4, ...
It's a geometric sequence:
$a_1=32;\ r=16:32=\dfrac{1}{2}\\\\a_n=a_1r^{n-1}\\\\a_n=32\cdot\left(\dfrac{1}{2}\right)^{n-1}$

Answer: sequence 1 is arithmetic and sequence 2 is geometric.

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3 years ago

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ser-zykov [4K]

To find perimeter you multiply.
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3 years ago

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Answer:

what are you saying

Step-by-step explanation: