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ch4aika [34]
3 years ago
11

Decrease £28 by 7%? im stuck on my homework

Mathematics
1 answer:
Murljashka [212]3 years ago
5 0

Answer:

   £26.04

Step-by-step explanation:

The long way is to figure 7% of £28, then decrease that quantity by the amount you figured.

  0.07 ×  £28 =  £1.96

  £28 - 1.96 =  £26.04

__

I prefer to realize that the 100% of the value, decreased by 7%, will be 93% of the value. Then only one calculator operation is required.

  0.93 ×  £28 = £26.04

_____

<em>Comment on percent</em>

Some folks get confused by percents. "Percent" essentially means "per hundred". The symbol % is a shorthand way to write /100, which means exactly the same thing. That is, 7% = 7/100 = 0.07. (Similarly, ‰ is a shorthand way to write /1000.)

<em>Comment on percentage increase or decrease</em>

When you're talking about a quantity decreased by some amount, as "£28 decreased by £7",  you mean the value £7 is subtracted. When you say "decreased by 7%", the interpretation is different. We don't mean that £28 is decreased by 0.07 (to give £27.93); rather we mean £28 is decreased by 7% of £28. That is 7% of £28 is subtracted from £28.

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Which is greater 0.7 or 3/4
vovangra [49]
0.7 can be turned into a fraction which can be 70/100 and 3/4 can be turned into 75/100 so 3/4 would be greater
3 0
3 years ago
Read 2 more answers
Joseph's lunch at a restaurant costs $13.00 without tax. He leaves the waiter a tip of 17% of the cost of the lunch, without tax
ryzh [129]

Answer:

The total cost of the lunch including the tip is $15.21.

Step-by-step explanation:

To find the total cost of the lunch including the tip, first, you need to calculate 17% of the price of the lunch as the statement indicates that that is the tip Joseph leaves the waiter:

$13*17%=$2.21

Now, you need to add that amount to the price of the lunch:

$13+$2.21=$15.21

According to this, the answer is that the total cost of the lunch including the tip is $15.21.

4 0
3 years ago
If f(x) = g(x) + 4, find g(x) for f(x) = 3x + 2<br> Can someone please help?
yawa3891 [41]

Answer:

see below

Step-by-step explanation:  5 23 15 03

f(x) = g(x) + 4    find g(x) for f(x) = 3x + 2

sub f(x) = 3x + 2  into f(x) = g(x) +4

3x + 2 = g(x) + 4

3x + 2 - 4 = g(x) + 4 - 4

3x  - 2  = g(x)

5 0
3 years ago
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Can someone please help me! This is trigonometry
lbvjy [14]
Tan=opposite over adjacent so the equation is tan=4/1 x=4
3 0
3 years ago
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Select the correct answer.
Marat540 [252]

The correct answer is option C the error is that the linear pair of the theorem can not be used to say that ∠AOP is complementary to ∠POB

<h3>What is the Linear pair theorem?</h3>

The linear pair postulate or linear pair theorem in mathematics states the same thing mathematically. The sum of the measurements of two angles that make up a linear pair is 180°.

In the proof of the given question, it is given that the ∠AOP and ∠POB are complementary angles by linear pair of theorem but the linear pair of the theorem is applied to the angles with the sum of 180.

Therefore the correct answer is option C the error is that the linear pair of the theorem can not be used to say that ∠AOP is complementary to ∠POB

To know more about the Linear pair theorem follow

brainly.com/question/5598970

#SPJ1

6 0
3 years ago
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