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MissTica
3 years ago
8

Simplify completely . x 2- 20x + 32 /x 2- 2x - 80

Mathematics
1 answer:
alina1380 [7]3 years ago
7 0
This is usually considered to be the simplified form. The numerator zeros are irrational, so the numerator has no integer factors. The denominator zeros are x=-8, 10, but "simplified" usually means "multiplied out, rather than factored."

If you wanted to, you could write the expression as
.. 1 - (34/9)/(x -10) -(128/9)/(x +8)
This is more suitable for finding asymptotes and for doing integration, but may not be considered "simplified."
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Express the following as powers of 64: (e) 1 (f) 1/64 (g) 1/8 (h) 1/2 (I) 1/64
____ [38]

Answer:

(e) 1 =64⁰

(f) 1/64 = 64⁻¹ negative one power

(g) 1/8 = 64⁻¹/² negative one half power

(h) 1/2 = 64⁻1/6 negative one/sixth power

(I) 1/64 same as (f) ??

Step-by-step explanation:

6 0
3 years ago
Find the equation of line parallel line to y=2x+7 and that goes through the point 4,12
Step2247 [10]
Y= 2x+4, because when you plug in x and y you then solve for b and get 4. The 2x is the same because the slope stays the same on parallel lines.
8 0
3 years ago
Shop is giving 10% discount on each item the mark price of an item is $60 so the discount amount should be​
maxonik [38]
<h3>Answer:  $6</h3>

Explanation:

To take 10% of anything, move the decimal point 1 spot to the left.

The number 60.0 will become 6.00 or simply 6.

In other words, we chop off the 0 at the end go from 60 to 6.

6 0
2 years ago
A person wishes to mix coffee worth $6 per pound with coffee worth $3 per pound to get a 120 pound of a mixture worth $4 per pou
NikAS [45]

Answer:

$720 and $360

Step-by-step explanation:

8 0
3 years ago
n aquarium holding African cichlids is 6 inches higher than it is wide. Its length is 33 inches, and its volume is 9240 cubic in
sukhopar [10]

Answer: Height = 20 inches

Width = 14 inches

Step-by-step explanation:

The aquarium is rectangular. The formula for determining the volume of a rectangular box is expressed as

Volume = LWH

Where L,W and H represents the length, width and height of the box.

The aquarium holding African cichlids is 6 inches higher than it is wide. It means that

H = W + 6

Its length is 33 inches, and its volume is 9240 cubic inches. It means that

9240 = 33W(W + 6)

9240/33 = W(W + 6)

280 = W² + 6W

W² + 6W + (6/2)² = 280 + (6/2)²

(W + 3)² = 280 + 9 = 289

Taking square root of both sides, it becomes

W + 3 = √289 = 17

W = 17 - 3

W = 14

H = W + 6 = 14 + 6

H = 20

3 0
3 years ago
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