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irakobra [83]
3 years ago
11

Factor completely 2r²-32​

Mathematics
1 answer:
diamong [38]3 years ago
5 0

Answer:

2(r+4)(r-4)

Step-by-step explanation

First, you want to factor out 2 from both terms, which gives you 2(r^2-16). Then you want to recognize that (r^2-16) is factorable into 2 terms. If you multiply (r+4) by (r-4) then you are given (r^2-16) as a result.

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What is the number of square units in the area of the triangle is vertices are points A ( 2,0), B( 6,0) and C (8,5)
lakkis [162]

From points (2, 0) and (6, 0), you can get base = 6 - 2 = 4.

From point (8, 5), you get a height of length 5.

A = bh/2 = 4 * 5/2 = 10

Area = 10 square units

3 0
3 years ago
Indicate whether the lines are parallel, perpendicular, or neither. Justify your answer. X=4 and Y=-2
geniusboy [140]

Answer:

perpendicular

Step-by-step explanation:

x = 4 is a vertical line.

y = -2 is a horizontal line.

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6 0
3 years ago
There are six cups which each hold 340ml. What is the total ml
SSSSS [86.1K]

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Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
The arithmetic sequence a; is defined by the formula:
Morgarella [4.7K]

Answer:

The sum of the first 650 terms of the given arithmetic sequence is 2,322,775

Step-by-step explanation:

The first term here is 4

while the nth term would be ai = a(i-1) + 11

Kindly note that i and 1 are subscript of a

Mathematically, the sum of n terms of an arithmetic sequence can be calculated using the formula

Sn = n/2[2a + (n-1)d)

Here, our n is 650, a is 4, d is the difference between two successive terms which is 11.

Plugging these values, we have

Sn = (650/2) (2(4) + (650-1)11)

Sn = 325(8 + 7,139)

Sn = 325(7,147)

Sn = 2,322,775

6 0
3 years ago
Round your answer to the nearest tenth if necessary. Use 3.14 for it.
aliina [53]

Answer:

volume = 10,082.5 in³

Step-by-step explanation:

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6 0
3 years ago
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