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ELEN [110]
3 years ago
7

Evaluate the expression бу — x when x = 6 and y = 4

Mathematics
1 answer:
s2008m [1.1K]3 years ago
8 0
6y-x
you have to plug in the numbers for x and y so it would be (6x4)-6 then you you solve this you do whats in parentheses first. Your problem should look like this 24-6 then you subtract that and you get 18. 18 will be your final answer.
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Can someone explain how to do percent of change example: what's the percent of markup from 25 to 35?
Morgarella [4.7K]

Answer:

35 is a 40% markup from 25.

Step-by-step explanation:

1) Find the markup.  Subtract 25 from 35.  The markup is 10.

2) Find the decimal fraction obtained by dividing this 10 by the original price (25):  10/25 = 0.4

3) Multiply this result by 100%:  We get 40%.

35 is a 40% markup from 25.

6 0
4 years ago
What is 164.50 rounded.
wolverine [178]

Answer:

Rounded to the ones place gives you 165

Step-by-step explanation:

The 5 makes the number bigger by one

4 0
3 years ago
Find the value of 15c1
Natali [406]

Answer:

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8 0
3 years ago
What is the exact decimal equivalent of 7/12​
dexar [7]
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5 0
4 years ago
The sun shines at a 30° angle to the ground. To the nearest inch, how long is the shadow cast by a 72-in. tall fence post?
tensa zangetsu [6.8K]

The length of the shadow is 124.7 in

<u>Explanation:</u>

<u />

Given:

Angle, θ = 30°

Height of the fence,  h = 72 in

Length of the shadow, l = ?

Given:

tan 30° = \frac{perpendicular}{base}  = \frac{height of the fence}{length of the shadow}

\frac{1}{\sqrt{3} } = \frac{72}{l} \\\\l = 72\sqrt{3} \\\\l = 124.7 in

Therefore, the length of the shadow is 124.7 in

5 0
3 years ago
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