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Tpy6a [65]
3 years ago
8

If the sales tax in you city is 4.7% and an item cost $164 before tax how much tax would you pay on that item round to the neare

st hundredth or cent
Mathematics
1 answer:
ad-work [718]3 years ago
8 0
So far I used a Sales Tax Calculator and I found out the sales tax would be 
$7.71 cents.

I could copy the answer for prooSales Tax Calculator
Enter Cost/Price:164 
<span>Enter Sales Tax %:4.7
</span>Total Tax:7.71
<span>Total Cost/Price:</span>

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Help me please. <br>Help me please. <br>Help me please.
Gnesinka [82]
A)
To be similar triangles have to have equal angles
triangle ZDB' 
1)angle Z=90 degrees
triangle B'CQ
1) angle C 90 degrees

angle A'B'Q=90
DB'Z+A'B'Q+CB'Q=180, straight angle
DB'Z+90+CB'Q=180
DB'Z+CB'Q=90

triangle ZDB'
DZB'+DB'Z=180-90=90

DB'Z+CB'Q=90
DZB'+DB'Z=90
DB'Z+CB'Q=DZB'+DB'Z
2)CB'Q=DZB' (these angles from two triangles ZDB' and B'CQ )
3)so,angles DB'Z and B'QC are going to be equal because of sum of three angles in triangles =180 degrees and 2 angles already equal.
so this triangles are similar by tree angles
b)
B'C:B'D=3:4
B'D:DZ=3:2
CQ-?
DC=AB=21
DC=B'C+B'D (3+4= 7 parts)
21/7=3
B'C=3*3=9
B'D=3*4=12
B'D:DZ=3:2
12:DZ=3:2
DZ=12*2/3=8
B'D:DZ=CQ:B'C
3:2=CQ:9
CQ=3*9/2=27/2

c)
BC=BQ+QC=B'Q+QC
BQ' can be found by pythagorean theorem



3 0
3 years ago
If f(x) = -7x + 5x2 + 10, what does f(-2) equal?
aksik [14]

Answer:

f(-2) = 44

Step-by-step explanation:

Hello there! Lets get started solving this function!

For a function, whenever we see f(x) = ... , the function is simply asking the value of the equation at x! So, if replace f(x) with f(-2), we simply substitute x with -2 in the equation! Lets get started!

f(x) = -7x + 5x^{2} + 10\\f(-2) = -7(-2) + 5(-2)^{2} + 10\\f(-2) = 14 + 20 + 10\\f(-2) = 44\\

First, we can write the original function. Next, we substitute in -2 for x. Then, we find our final terms. Finally, we are given that f(-2) = 44.

Hope this helps! Remember, math is fun!

7 0
3 years ago
How do I study for a big math test? any tips on how to study I'm a visual learner.
Nastasia [14]

Honestly? Just review your notes and try to work out the problems yourself before taking a look at the answer. You can also google specific topics that the test will cover and try the practice problems.

3 0
3 years ago
Read 2 more answers
Which points in the figure below are coplanar with points A and B
OleMash [197]
<h3>Answer: A) D and H</h3>

These two points are on the front panel along with points A and B

Choice B is not the answer since points A,B,F are on the floor panel, but point I is not on the floor panel (instead its on the right wall panel)

Choice C is not the answer as points G and C are in the ceiling panel, while A and B are in the floor panel and front wall panel.

Choice D is not the answer for similar reasoning as choice B not being the answer.

Points are considered coplanar if they are in the same plane. A plane can be thought of as a flat piece of paper that does not bend or curve.

8 0
3 years ago
2. Find x.<br> 24x - 19<br> 16x + 13<br><br> Please help me with this
saul85 [17]
I mean I would say it’s 4
3 0
3 years ago
Read 2 more answers
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