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Natalka [10]
3 years ago
7

Because of the increasing nuisance of spam e-mail messages, many start-up companies have emerged to develop e-mail filters. One

such filter was recently advertised as being 95% accurate. This could mean one of four things.
(a)95% of the email allowed through is valid,
(b)95% of spam is blocked,
(c) of the blocked e-mail is spam, or
(d) 95% of valid e-mail is allowed through
Mathematics
1 answer:
BaLLatris [955]3 years ago
4 0

Answer:

B. 95% of spam is blocked.

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judy borrow 600 from her friend and promises to pay it back in 3 years with the 4% interest rate. calculate the simple interest
s2008m [1.1K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
What is the best approximation of the area of a circle with a diameter of 17 meters? Use 3.14 to approximate pi. 53.4 m² 106.8 m
Arte-miy333 [17]
R = 17/2 =8.5 m
A = 3.14 x (8.5)^2
A = 3.14 x 72.25
A = 226.865

answer <span>226.9 m² (third choice)</span>

8 0
3 years ago
Is the fraction 13/8 a rational number
Talja [164]
Yes. Any number that can be written as a fraction is defined as rational.
4 0
3 years ago
4/-7 + -6/5 <br><br>In simplest form​
nlexa [21]

See attachment for math work and answer.

6 0
3 years ago
What’s is the slope of the lin
Lady bird [3.3K]

Answer:

1/3

Step-by-step explanation:

<em>Method 1.</em>

slope = rise/run

Rise is vertical distance.

Run is horizontal distance.

Find two points that are easy to read (on grid intersections):

(2, -1) and (5, 0).

Start at (2, 1). You need to go to (5, 0) by moving only vertically and horizontally. Go up 1 unit. That is a rise of 1. Now go right 3 units. That is a run of 3.

rise = 1

run = 3

slope = rise/run = 1/3

<em>Method 2.</em>

Use the slope formula and two points on the line.

slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}

Use points (2, -1) and (5, 0).

slope = m = \dfrac{0 - (-1)}{5 - 2}

slope = m = \dfrac{0 + 1}{3}

slope = m = \dfrac{1}{3}

slope = 1/3

8 0
3 years ago
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