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Morgarella [4.7K]
3 years ago
9

This question has two parts, First, answer Part A Then, answer Part B

Mathematics
1 answer:
krek1111 [17]3 years ago
4 0
1/2x-7=1/3x-4,

1/2x-3=1/3x,

1/2x-1/3x=3

1/6x=3/1/6

Final answer x=18

I hope you understand and best wishes!!
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can someone explain and give the answer because i’m very confused. also what is ratio and how do i find it?
Greeley [361]
The EI segment is 8 units long. To find the ratio of 2:1 divide 8 by 3 (add the ratio to get 3). 8/3 is about 2.6. So the ratio 2:1 for 8 would be around 5.2:2.6 since both can be divided by 2.6 to get 2:1. Then you must find what point from E is about 5.6 units which seems to be J.
4 0
3 years ago
Maria can paddle her canoe 2 miles upstream against the current in the same time it would take her to paddle 6 miles downstream.
BigorU [14]
The answer is 2. Imagine Maria can paddle 4 miles in either direction if there was no current in 2 hours. But if we add the current then we would subtract 2 when she goes upstream so she would get 4-2 which is 2 miles. And would get an extra 2 miles going downstream. So 4+2= 6 miles.

So the speed of the current is 2 mph.

Hope this helps!
8 0
4 years ago
Chris wanted to transform the graph of the parent function Y= cot (x) by horizontally compressing it so that it has a period of
pashok25 [27]

Answer:

He didn't calculate the b-value correctly.

Step-by-step explanation:

The given parent function is:

y =  \cot(x)

The transformation is of the form:

y =a  \cot(bx + c)  + d

The period is given by

\frac{\pi}{b}

If we want the new function to have a period of

\frac{2}{\pi}

Then we solve the following equation for b.

\frac{\pi}{b}  =  \frac{2}{\pi}

b =  \frac{ {\pi}^{2} }{2}

-  \frac{c}{b}

will translate the graph horizontally to the right by

\frac{c}{b}

units.

+d shifts the graph up by d units.

The new function then becomes:

y =  \cot(  \frac{ {\pi}^{2} }{2}  (x  -  \frac{\pi}{4} ) )+1

3 0
3 years ago
Read 2 more answers
I need help please with identifying functions
inn [45]

The correct answer is the third one.


Each x value (or domain) can only have one unique output. For example, if I had (2,7), then I could not have (2,14). If I had (3,15), then I could have (3,15) again, because they are the same point. If you need further explanation, just let me know. : )

7 0
4 years ago
I dont know how to do this one
-BARSIC- [3]

Answer:

2\sqrt{34}

Step-by-step explanation:

We can add a line to create a triangle and a rectangle. The triangle will have side lengths 10 and 6. Furthermore, it will be a right triangle, meaning we can apply the Pythagorean Theorem to find x, the hypotenuse.

6^2 + 10^2 = x^2\\x = \sqrt{6^2 + 10^2}\\ = \sqrt{136} \\= 2\sqrt34}

hope this helped! :)

7 0
2 years ago
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