3 years ago

Assuming z is positive, which of the following is equivalent to the expression (z3−−√7)8?

Mathematics

1 answer:

andreev551 [17]3 years ago

4 0

Answer:

Step-by-step explanation:

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Organize the following expressions from greatest to least by number of terms: I. x + 2xyz II. 3x + y + z III. 2x2y + x2 − 3x + 4

mestny [16]

Answer:

The answer is C

Step-by-step explanation:

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3 years ago

HELP PLEASE!!!!!!!! ASAP!!!!!!!!

Serjik [45]

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3 years ago

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2. If m <1 = 43, what is m <4?

Alex17521 [72]

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3 years ago

Evaluate 6²-7²+8²-9²+..+998²-999²

Llana [10]

Answer:

-499,485.

Step-by-step explanation:

We can transform this to an arithmetic series by working it out in pairs:

6^2 - 7^2 = (6-7)(6+7) = -13

8^2 - 9^2 = (8-9)*8+9) = -17

10^2 - 11^2 = -1 * 21 = -21 and so on

The common difference is -4.

The number of terms in this series is (998 - 6) / 2 + 1

= 992/2 + 1 = 497.

Sum of n terms of an A.S:

= n/2 [2a1 + (n - 1)d

Here a1 = -13, n = 497, d = -4:

Sum = (497/2)[-26 - 4(497-1)]

= 497/2 * -2010

= -499,485.

3 0

3 years ago

The vertices of a rectangle are (1, -3), (4,0), (0,4) and (-3,1). What is the area of the rectangle?

motikmotik

Answer:

Step-by-step explanation:

You can use a graphing calculator like desmos or draw your own graph to figure this out. Start by graphing each of those points. Then count the width and height. Multiply them to get the area. The width and height of the rectangle were 6 and 8, so the area is 48

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2 years ago