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zaharov [31]
4 years ago
8

Is there a difference of squares in 4(4n^2-9)

Mathematics
1 answer:
Marrrta [24]4 years ago
7 0
You're standing there at the edge of the answer but you're afraid to jump in. Take a long hard look inside the parentheses. Stare at it and don't blink. Isn't 4n^2. a square ? Isn't. 9. a square ? Is that so ! Then isn't (4n^2 - 9) the difference of squares ! ? ! Go ahead. Take the plunge.
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Help! <br> Will appreciate it
meriva

Answer:

170 degrees

Step-by-step explanation:

Let's say the center of this circle is O. A, B, O form an isosceles triangle. Meanwhile, we know that the angle ABO is 5 degrees, so BAO is also 5 degrees. Hence, AOB is 170 degrees, which corresponds to the arc AB.

4 0
3 years ago
Suppose a whale shark measures 10.7 meters. Convert this measurement to feet. Round your answer to the nearest whole foot.
Snowcat [4.5K]

Alright, so the scale of meters to feet is about 3.281 feet. So you would do 10.7 times 3.281 and that equals 35.1067 and that can be rounded to 35, so the answer would be C, 35 feet. Hope that Helped :)!

4 0
3 years ago
In January, Mrs. Jones’s business had expenses that totaled $2,500. Based on the information in the graph, how much money did Mr
Alja [10]

Answer:

$375

Step-by-step explanation:

5 0
3 years ago
What is the answer to this mathematical problem, (n-5)+(n+15)=180?
PIT_PIT [208]

Answer:

n=80

Step-by-step explanation:

(80-5)+(80-15)=180

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180=180

7 0
3 years ago
Read 2 more answers
2. The sum of the reciprocals of two consecutive positive integers is 17/72. Write an equation that can be used to find the two
Lena [83]
To answer this item, we let x be the first positive integer. Then, the second would be x+1. Their reciprocals would be 1/x and 1/(x+1). Then, the equation that would best represent the scenario above is,
                            1/x + 1/(x+1) = 17/72
Solving the equation above,
                           ((x+1) + x) / (x)(x+1) = 17/72
If we take the numerators of both sides of the equation,
                              (x+1) + x = 17
The value of x from the equation is 8 and x+1 would be 9. Thus, the answer would be 8 and 9. 
8 0
4 years ago
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