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padilas [110]
3 years ago
15

Multiply (4n - 5)(2n + 5)

Mathematics
2 answers:
WINSTONCH [101]3 years ago
6 0

Answer:

-7n

Step-by-step explanation:

4-5= -1

2+5= 7

-1×7= -7

-7+n= -7n

likoan [24]3 years ago
4 0

Answer:

8n^2+10n-25

Step-by-step explanation:

it's probably wrong that's what I got tough xp

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No links, will be reported
kirza4 [7]

Answer:

(1,0)

Step-by-step explanation:

This is because a system of equations is when two lines cross to form a point that they share. (1,0) is the point where the two lines cross/intersect.

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2 years ago
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lukranit [14]

Answer: 61.6

Step-by-step explanation:

17.6 X 3.5 = 61.6

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3 years ago
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3 years ago
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How would knowing the type of symmetry help you graph a function?
Serga [27]

A graph is said to be symmetric about the y -axis if whenever (a,b) is on the graph then so is (−a,b) . Here is a sketch of a graph that is symmetric about the y -axis. A graph is said to be symmetric about the origin if whenever (a,b) is on the graph then so is (−a,−b) .

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3 years ago
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We find the z-score associated with 900 miles:

z = (X - μ)/σ = (900-830.11)/42.19 = 1.66

Using a z-table (http://www.z-table.com) we see that the area under the curve to the left of this, less than this, is 0.9515.  This means that the area under the curve to the right of this, greater than this, would be 1-0.9515 = 0.0485.
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