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SVETLANKA909090 [29]
3 years ago
8

in a sale, Richard bought a TV for £300. The original price of the TV was £380. What was the percentage discount on the TV?

Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0
(totalPrice-discountedPrice)/totalPrice x 100
so that would be:

(380-300)/380 x100 = 21%
zhenek [66]3 years ago
3 0
Cost price =300
original price =380
profit = 380-300=80
80/380X100=25%
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An olympic hurdler accelerates at a rate of 15.5 m/s2 . what is the rate in miles/min2 ? 1. 6.89 miles/min2 2. 31.8 miles/min2 3
Tom [10]
For this case we have to take into account the following conversions:
 1 mile = 1609.34 meters

1 minute = 60 seconds
 Let's first transform the expression to miles per seconds squared:
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 Then, we transform the result to miles per minute squared.
 We have then:
 (0.009631277) * (60) ^ 2 = 34.7 mi / min ^ 2

 Answer:
 
the rate in miles/min^2 is:
 
34.7 mi / min ^ 2
3 0
3 years ago
I need to solve 5y+1<36
bezimeni [28]

Answer:

y<7 since if you subtract 1 from both sides and then divide both sides by 5 you get y<7

7 0
4 years ago
What is i^84? a) -i b) i c) -1 d) 1
mariarad [96]

Answer:

D) 1

Step-by-step explanation:

When you start raising i to certain powers, you begin to notice a pattern.

i^1=i \\\\i^2=-1 \\\\i^3=-i \\\\i^4=1 \\\\i^5=i \\\\ i^6=-1 \\\\ i^7=-i \\\\i^8= 1

This cycle repeats forever. Since 84 is a multiple of 4, i^84 must be 1. Hope this helps!

7 0
4 years ago
Type the correct answer in the box. Use numerals instead of words.
Karo-lina-s [1.5K]

Answer:

6

Step-by-step explanation:

A line that passes through the point (x,y), with a y-intercept of b and a slope of m, can be represented by the equation y = mx + b.

If a line has the slope of -0.5, then m=-0.5 and the equation of the line is

y=-0.5x+b

This line passes throughthe point (10,1), then the coordinates of this point satisfy the equation of the line:

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and the equation of the line is

y=-0.5x+6

Since b=6, the y-intercept of the line is 6.

7 0
3 years ago
Read 2 more answers
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irina [24]
This is because logarithm has its own set of properties that is different from algebra. The term log(3x - 1) is equivalent to log 3x/log 1. If we continue to rearrange and find x, the solution would be:

log(3x - 1) = log28
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x = 1/3

<em>So, that means 3x - 1 = 3(1/3) - 1 = 0.</em>
6 0
3 years ago
Read 2 more answers
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