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NeTakaya
3 years ago
8

How do I find the sales tax something?

Mathematics
2 answers:
Dvinal [7]3 years ago
3 0
To find sales tax on something, multiply the percent of the tax by the price of the item.
BlackZzzverrR [31]3 years ago
3 0
Make sure you put the sale tax into decimal form. You do this by taking the percentage and sliding the decimal point two places to the left. Example $60 item cost×0.75 sale tax=4.5 total sales tax.
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A triangle has a height that is 2 inches more than three times the base and an area of 60 in. Find the base and the height of th
const2013 [10]

Answer:

Height = 20, Base = 6

Step-by-step explanation:

The area of a triangle is \frac{bh}{2}

where b is the base and h is the height

H = 3B + 2\\\frac{B(3B + 2)}{2}=60\\\\3B^2 + 2B = 120\\3B^2+2B - 120=0\\

We can factor by grouping

3B^2 - 18B + 20B - 120 = 0\\3B(B - 6) + 20(B-6) = 0\\GCF the (B-6)\\(B-6)(3B+20)=0\\B = 6, B = \frac{-20}{3}

Length can only be positive, so we know that the base is 6 in

The height must be 2 + 3(6) = 20

Height = 20, Base = 6

8 0
3 years ago
What is the arc length of PQ?
almond37 [142]

Answer:

43.9823

Step-by-step explanation:

Arc length = 2\pi r(\frac{0}{360} )\\ = 2\pi 12(\frac{210}{360} )

3 0
2 years ago
Derek is playing a prank on Grace and hid her pencil inside a tissue box that has a width of 4 inches, a length of 8 inches, and
ohaa [14]

Answer:

9.8 Inch

Step-by-step explanation:

The distance from the upper left corner to the bottom right corner of the box is the longest diagonal of the box.

For a rectangular prism:

Length of the Longest diagonal =\sqrt{ l^2+h^2+w^2}

Therefore:

Length of the pencil=\sqrt{ 8^2+4^2+4^2}

=\sqrt{96}\\=9.8$ inch(correct to  the nearest tenth of an inch)

8 0
3 years ago
Read 2 more answers
K - 263.48 = 381.09 solve this equation
Sedbober [7]
K-263.48=381.09
we add 263.48 on both sides
k=644.57
7 0
3 years ago
Read 2 more answers
Math. please help me!!!
d1i1m1o1n [39]

Part A.

In this part we have to find the increasing interval .

Increasing interval is that interval where graph goes up. And from the graph we can say that the graph goes up in the interval

(-1,0)U (1, \infty)

And that's the increasing interval .

Part B.

Correct option is B

x and y intercepts

x intercept is the point where graph touches the x axis. And the graph touches the x axis at x=-1 and 1 .

So the x intercepts are

(-1,0) ,(1,0)

y intercepts are the point, where the graph touches or crosses the y axis.

Therefore the y intercept is (0,1)

So the correct option is D .

4 0
3 years ago
Read 2 more answers
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