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11111nata11111 [884]
2 years ago
10

Can anyone pls help with this

Mathematics
1 answer:
Artemon [7]2 years ago
5 0
The question is blurred out so we can’t read it
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Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.
weeeeeb [17]

Answer:

Hello,

Step-by-step explanation:

f(x)=\dfrac{4}{x} \\\\g(x)=\dfrac{4}{x} \\\\\\(gof)(x)=f(g(x))=f(\dfrac{4}{x} )=\dfrac{4}{\dfrac{4}{x} } =\dfrac{4*x}{4} =x\\\\\\(fog)(x)=g(f(x))=g(\dfrac{4}{x} )=\dfrac{4}{\dfrac{4}{x} } =\dfrac{4*x}{4} =x\\

4 0
3 years ago
(HELP ASAP PLEASE AND THANK YOU..)
Zigmanuir [339]
Hello!

As you can see, two of the triangles that we see that are made from the lengths we are given make up one face of the pyramid. We can use the triangle formula without multiplying by 1/2 to find the length of one face.

30(45)=1350

Now we multiply this by  four to find all of the sides.

1350(4)=5400

We find the area of the square base

30(30)=900

Finally, we add up our lengths.

5400+900=6300

Therefore, our answer is C) 6400 yards²

I hope this helps!
7 0
3 years ago
What is the value of r, the part of the job that Marina can complete in 1 hour? 0.1 0.4 0.5 0.6
kvv77 [185]
So, Katherine can do 0.1 of the job per hour. (if she needs 10 hours for the job, each hour she can do the whole divided by the time, so 1/10, which is 0.1)

if in two hours she and Marina can be done, then Marina will do 1(the whole job)-2/10 (twice as much as she can do in an hour)=0.8 of the job. So if Marina does 0.8 of the job in two hours, each hour she will do half of it: 0.4 - and this is the correct answer 
4 0
3 years ago
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Please help!!<br> So confused <br> And please stop with the link joke
almond37 [142]

Answer:

1 and -7/3

Step-by-step explanation:

6 0
3 years ago
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Mick paid $2.94 in sales tax on an item that cost $42.00 before tax. At that rate, how much would he paying sales tax before an
sergiy2304 [10]
To answer this question you would have two steps involved. The first step would be to find the percentage of $42 that gives us $2.94. Set up an equation 42x=2.94. Divide both sides by 42 to get the decimal 0.07. This equal 7%. Take this percentage multiplied by the $58. You need to change the 7% into 0.07 to be able to calculate it. 0.07 x 58 = $4.06 sales tax.
5 0
4 years ago
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