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MissTica
2 years ago
6

A television costs $270.25 including 15% vat. How much of the cost is tax?

Mathematics
1 answer:
Nikitich [7]2 years ago
8 0
115% of the price is 270,25
115*x/100=270,25
x=270,25*100/115
x=235  $ is the price

270,25-235= 35,25 $ is the tax
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Can someone help answer and explain to me how to solve this? log (lowercase 6) 1/36
MissTica
Answer: The log simplifies to -2

-------------------------------------------
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Explanation:

We will use the log rule that log(x^y) = y*log(x). Call this log rule 1. This log rule basically allows us to pull the exponent down.

Another log rule that we will use is \log_x\left(x\right) = 1 where x is any positive real number but x = 1 is NOT allowed. Call this log rule 2.

Because 36 = 6^2, this means that 1/36 = 6^(-2)

-------------

So,

\log_6\left(\frac{1}{36}\right)=\log_6\left(\frac{1}{6^2}\right)

\log_6\left(\frac{1}{36}\right)=\log_6\left(6^{-2}\right)

\log_6\left(\frac{1}{36}\right)=-2*\log_6\left(6\right) Use log rule 1 (see above)

\log_6\left(\frac{1}{36}\right)=-2*1 Use log rule 2 (see above)

\log_6\left(\frac{1}{36}\right)=-2 

This means that the given expression simplifies to -2

You can use a calculator to type in "log(1/36)/log(6)" without quotes and you should get -2 as the answer

6 0
3 years ago
Read 2 more answers
Please someone help meeeee
saveliy_v [14]
<MSR = 180-136 (virtue of complementary angles) = 44°
8 0
3 years ago
144 students enter a spelling bee,but only 1/6 of the group will make into the semi-final round, and only 2/3 that group will ma
Alexus [3.1K]

Answer:

96

Step-by-step explanation:

144 x 2 = 288

288/3 = 96

3 0
3 years ago
Plzz help will give brainliest
skad [1K]

Answer: 82.5 - x = R sorry if I am wrong

Step-by-step explanation:

1. We know all the angles in a triangle add up to 180 degrees.

<em>180 = x + x + 15 + R</em>

2. Combine like terms

<em>180 = 2x + 15 + R</em>

3. Subtract 15 from both sides

<em>165 = 2x + R</em>

4. Divide both sides by 2

<em>82.5 = x + R</em>

5. Subtract x from both sides

<em>82.5 - x = R</em>

6 0
2 years ago
a fox a coyote and a wolf weigh a total of 120 pounds the ratio of the weight of fox to the weight of coyote is 3:8 the weight o
ira [324]
There is not enough information to calculate this. 

<span>Knowing the weight ratio of the fox to coyote as 3:8 in no way allows you to know the respective ratio of the wolf. To know the weight of the wolf would require knowing its ratio value, then the weights of all 3 is an easy calculation. </span>
<span>Example - 3:8:15 (f:c:w) is a plausible ratio based upon real-world weight averages for certain species/subspecies of the three. </span>
<span>- knowing the values of the 3 terms as 3:8:15 gives a total of 3+8+15 = 26 ratio values </span>
<span>- you then simply divide the total weight by this ratio value total; 120/26 = 4.62 </span>
<span>- so each ratio value is 4.62 units of weight*** </span>
<span>- now, simply calculate the weight of each canid by multiplying its ratio value by the unit of weight... </span>
<span>fox; 3 x 4.62 = 13.86 </span>
<span>coyote; 8 x 4.62 = 36.96 </span>
<span>wolf; 15 x 4.62 = 69.3 </span>
<span>Validate the ratios by adding the weights together (we should get 120) 13.86 + 36.96 + 69.3 = 120.12 </span>
<span>The total is slightly out because that 4.62 figure was a rounding up. </span>

<span>Now, the thing is, there is nothing given that allows us to know exactly what ratio value the wolf should be, I chose 15 myself because that is a real-world plausible value when compared to 3:8 for the other 2. Changing it to 16, say, means that there are now 27 ratio values total giving a ratio value of 120/27 = 4.44 obviously changing the weights of all 3.</span>
5 0
3 years ago
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