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krek1111 [17]
3 years ago
7

PLEASE HURRY

Mathematics
1 answer:
mihalych1998 [28]3 years ago
6 0

Answer:

the answer is: 8(x)= 4 -5

Step-by-step explanation:

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Is tan^-1(a) equivalent to (tan(a))^-1? explain why or why not.
BARSIC [14]

Answer:

  No. The reciprocal of a function is rarely the same as the inverse of the function.

Step-by-step explanation:

tan^1(a) signifies the arctangent function, the function that returns the angle for a given tangent value of a.

tan(a)^-1 signifies the reciprocal of the tangent function, which is the definition of the cotangent function.

The attached graph compares the two functions.

4 0
3 years ago
Cedro collects state quarters he has 42 out of 50 available quarters. What is 42 out of 50 as a percent?
FinnZ [79.3K]
The answer is 84%. This is because to get a percentage out of 100% you need to have 100 in your total so you multiply 50 *2 to get 100 and since you changed the 50 you also have to change your 42 by the same equation. So 42*2 is 84. Hope this helped please comment if you need clarifying.
8 0
4 years ago
Solve each system of equations using a matrix<br> x+y=4<br> 3x+y=6
Dvinal [7]

Answer:

hope it will help you.

3 0
3 years ago
HELP! Zoom in <br> Describing functions with equations tables and graphs
Dvinal [7]

378.   Comparing the each batch, there is a difference of 18 for each batch.  So 7*18= 126, then add that to 252; you'll get 378.  


(ex 198-180=18; 216-198=18; etc)


hope that helps

3 0
3 years ago
On a road trip, you stop to get gas when there is 1 4of a tank of gas left. You get the tank filled and this takes 12 gallons of
dimulka [17.4K]

Answer: 16 gallons

Step-by-step explanation:

Since we are given the information that 1/4 of the gas is left, it simply means that (1 - 1/4) = 3/4 has been used.

The tank was filled and this was 12 gallons of gas.

Let the gas that the tank hold be represented by x. Therefore,

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3/4 × x = 12

0.75x = 12

x = 12/0.75

x = 16

The tank holds 16 gallons of gas.

6 0
3 years ago
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