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ivanzaharov [21]
3 years ago
14

There is a sales tax of $12 on an item that costs $128 before tax. The sales tax on a second item is $6.75. How much does the se

cond item cost before tax?
Mathematics
1 answer:
Serga [27]3 years ago
8 0
72$ it's a algebra question 12x=864
=X=72
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Which statement best demonstrates why the following is a non-example of a polynomial?
11Alexandr11 [23.1K]
The following statements <span>demonstrates why the following is a non-example of a polynomial.</span>
1. The expression has a variable raised to a negative exponent. 
2. The expression has a variable in the denominator of a fraction.
3. The expression has a variable raised to a fraction. 
6 0
3 years ago
For geometry:(<br><br> i’ll give a brainist!!!
kvasek [131]
<h3>Answer: Angle Q = 133 degrees</h3>

========================================================

Work Shown:

Recall that for any triangle, the three angles always add to 180

P+Q+R = 180

(x+13) + (10x+13) + (2x-2) = 180

(x+10x+2x) + (13+13-2) = 180

13x+24 = 180

13x = 180-24

13x = 156

x = 156/13

x = 12

Now that we know x, we can find the angle measures

  • angle P = x+13 = 12+13 = 25 degrees
  • angle Q = 10x+13 = 10*12+13 = 120+13 = 133 degrees
  • angle R = 2x-2 = 2*12-2 = 24-2 = 22 degrees

As a way to check if we have the right answer or not, we see that,

P+Q+R = 25+133+22 = 180

So the answer is confirmed.

4 0
2 years ago
Please help this is due today! geometry
sdas [7]
Please mark brainliest

Answer is 4 units

Explanation:

See the image as mathematical signs can’t be written here

7 0
2 years ago
Use this h=graph to graph x &gt; 7
HACTEHA [7]
Btw I’m not 100% confident in this answer.

There is a open circle over 7 in the x-axis b cause it is not greater than and less than 7

5 0
2 years ago
Read 2 more answers
If 5 men can do a piece of work in 20 days, in how many days could 10 men<br> do the same work?
Whitepunk [10]

Answer:

10

Step-by-step explanation:

(U can do mental calculation and guess it will be 10 ..) or else ....

Constant(k) = xy

k= 5 x 20  

k= 100

Constant(k) = xy

100 = xy  

100 = 10y  

y= 100/10 = 10  

= 10

I hope im right!!

6 0
2 years ago
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