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spin [16.1K]
3 years ago
11

Subtract and simplify: 4y/y^2-10y+21-1/y-3

Mathematics
1 answer:
Eva8 [605]3 years ago
3 0
OK...... your answer would be

- 10y^2 - 26y + 1/y
H0P3 It H3LPS :)
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If the dimensions of a rectangle are A plus 3b and A minus 3b what is the area of the rectangle
tresset_1 [31]

area=legnth times width

we notice this is a special case

(a+b)(a-b)=a^2-b^2

area=(a+3b)(a-3b)=a^2-9b^2

area=a^2-9b^2

5 0
3 years ago
Epress 4+3i/3-4i in form of a + bi .evaluate your final answer raised to power 6​
VashaNatasha [74]

Answer:(a) Express the complex number (4 −3i)3 in the form a + bi. (b) Express the below complex number in the form a + bi. 4 + 3i i (5 − 6i) (c) Consider the following matrix. A = 2 + 3i 1 + 4i 3 − 3i 1 − 3i Let B = A−1. Find b22 (i.e., find the entry in row 2, column 2 of A−1)

Step-by-step explanation:

7 0
3 years ago
There are 6 cups of sugar in 5 batches of cookies. how many cups are in 1 batch
Mars2501 [29]

Answer:

1.2 cups

Step-by-step explanation:

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6 0
2 years ago
Find the value of x, y, and z.
egoroff_w [7]

Answer:

x = 61°

y = 61°

z = 58°

Step-by-step explanation:

In the given triangle, measures of two sides are equal. So, measures of angles opposite to them are also equal.

Therefore,

x + x + 58 \degree = 180 \degree \\  \\ 2x = 180 \degree - 58 \degree \\  \\ 2x = 122 \degree \\  \\ x =  \frac{122 \degree}{2}  \\  \\ x = 61\degree  \\  \\ y = 61\degree  \\  ( \angle s \: in \: the \: alternate \: segment) \\ \\ z = 58\degree  \\  ( \angle s \: in \: the \: alternate \: segment) \\

8 0
3 years ago
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Anettt [7]
The solution for this problem would be:
f'(x) = 1 - 1/x^2 = (x^2 - 1)/x^2 
is positive where |x| > 1 
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Therefore, the answer is (-infinity,-1] U [1,infinity).
4 0
3 years ago
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