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postnew [5]
2 years ago
8

If a watch cost $40 and you pay 6.5% sales tax, how much will the tax be

Mathematics
2 answers:
xenn [34]2 years ago
7 0
The sales tax would be $2.60
xeze [42]2 years ago
5 0

Answer:

$2.60

Step-by-step explanation:

6.5/100 x 40 = 0.065 x 40 = 2.6

= $2.60

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A slide has a diagonal of 10 feet and covers a distance of 8 feet across the ground. How many feet high is the slide at its high
Tasya [4]

So, this creates a triangle once again. If we imagine a slide, the slide itself would be the hypotenuse of the triangle, then if there's a ladder leading up to the slide, that would be the vertical length we're looking for. The feet across the ground would be the distance from the bottom of the slide to the bottom of the ladder.

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4 0
3 years ago
Expand the polynomial and simplify: (4xy− 1 8 y^2)^2
Vinvika [58]

Answer: 4y^{2}(2x-9y)^{2}

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We have the following polynomial:

(4xy-18y^{2})^{2}

This is a polynomial of the form (a-b)^{2}=a^{2}-2ab+b^{2}. Following this rule to expand it, we have:

(4xy)^{2}-2(4xy)(18y^{2})+(18y^{2})^{2}

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Applying common factor 4y^{2}:

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4y^{2}(2x-9y)^{2}

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3 years ago
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