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Nesterboy [21]
2 years ago
13

Simplify the expression: 4m/(4m2−1) − (2m+1)/(6m−3) + (2m−1)/(4m+2)

Mathematics
1 answer:
Alex787 [66]2 years ago
5 0

sorry i dont know Step-by-step explanation:


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I need help! ASAP!! please and thank you
Neko [114]

Answer: The walking path around it.

Step-by-step explanation:

Remember the Pythagorean's theorem, for a triangle rectangle with catheti A and B, and with hypotenuse H, we have:

A^2 + B^2 = H^2

or

H = √(A^2 + B^2)

Here, A + B is the total distance for the path, while the hypotenuse is the distance for the bridge

Here we can see that:

A = 1170 ft

B = 520 ft

Then:

H = √( (520 ft)^2 + (1170 ft)^2) = 1280.4 ft

Now, let's compute the costs.

For the bridge, we know that each foot costs $11, then for 1280.4 ft the cost is:

Cost of the bridge = (1280.4)*$11 = $14,084.4

And for the walking path, the cost is $6 per foot, then the total cost of the path is:

Cost of the path = (520 ft + 1170 ft)*$6 = $10,140

We know that the bridge is preferred if it is within the range of $1500 for the path's cost.

This range is:

($10,140 - $1,500, $10,140 + $1,500) = ($8,640, $11,640)

Here we can see that the cost of the bridge does not belong to this range, (is higher) so the option we should recommend is the walking path around.

8 0
3 years ago
Can someone please help me
weqwewe [10]

Answer:

Looks like (-5,1.5)

Step-by-step explanation:

Because it is halfway between the 1 and the 2

Hope This Helps!

5 0
3 years ago
Plz help me i need help before 1/28/22
garik1379 [7]

Answer:

3/4

Step-by-step explanation:

three-fourths also means 3 out of 4. This can be shown as a fraction as 3/4

5 0
2 years ago
Read 2 more answers
62 is 90.5% of what number?
Reptile [31]
68.5. You take 62 and divide it by the percentage as a decimal, .905. 62 / .905 = 68.5.
6 0
3 years ago
Read 2 more answers
F(x) =X/2<br> +8, what is f(x) when x = 10?<br> 04<br> 0<br> O 13<br> O 36
Blababa [14]
The answer is thirteen
7 0
3 years ago
Read 2 more answers
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