Work out the percentage change to 2 decimal places when a price of £70 is increased to £99.

Answers

Answer 1

Answer:

The percentage change in the price is 41.42%.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Given that, a price of £70 is increased to £99.

Now, the difference is 99-70=29

Percentage increase is 29/70 ×100

= 0.4142×100

= 41.42%

Therefore, the percentage change in the price is 41.42%.

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Answer 2

Answer:

Answer: Your answer is 41.43%

To calculate, it is simply (99-70)/70 x 100

which is equal to 41.43%

Step-by-step explanation:

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What is 783,264 rounded to the nearest ten thousand

Answers

Answer:

780,000 if it was at least 785k then you round it to 790k

3. Error Analysis Isabel says that the equation x - 2 = -(x - 2) has nosolution because a number can never be equal to its opposite. Explain the
error Isabel made

Answers

Given:

The equation is

$(x-2)=-(x-2)$

Isabel says that the given equation has no solution because a number can never be equal to its opposite.

To find:

Isabel's mistake.

Solution:

Her reason "a number can never be equal to its opposite" is not correct.

Zero is a number that can be equal to its opposite.

So, the given equation has solution for which LHS=RHS=0.

We have,

$(x-2)=-(x-2)$

$x-2=-(x)-(-2)$

$x-2=-x+2$

Add x and 2 on both sides.

$x-2+x+2=-x+2+x+2$

$2x=4$

Divide both sides by 2.

$x=(4)/(2)$

$x=2$

So, the given equation has a solution x=2.

Simplify the following:3( x + 1) – 4( 2x – 5 ) + 10x
O 5x - 32
0 21x + 23
0 5x + 23
O 5x - 17

Answers

Answer:

5x+23

Step-by-step explanation:

3(x+1) - 4(2x-5) + 10x

3x+3 - 8x+20 + 10x

(3x-8x+10x = 5x)

(3+20 = 23)

Therefore, answer is 5x-23. :)

Solve for brainliest

Answers

Answer:

but not sure because I'm not that good

Question part points submissions used two cars start moving from the same point. one travels south at 32 mi/h and the other travels west at 24 mi/h. at what rate is the distance between the cars increasing three hours later? mi/h

Answers

Since the cars start at the same point and are going in directions at right angles to each other, the speed at which the distance between them is increasing is a constant that can be computed as the Pythagorean sum:

... d = √(32² + 24²) = 40 . . . . mi/h

If ST=19 and S lies at -4 , where could T be located?

Answers

Answer:

15 or -23

Step-by-step explanation:

I think you probably already turned this in but in case you haven't:

ST = 19 means that line segment ST is 19 units long. If we know that S is at -4, then T has to be 19 units away from -4, right?

So there's two directions we could go.

Add 19 to -4 to get 15, so T could be at 15. (If there's a line drawn between -4 and 15, it would be 19 units long.)

But the line could go left, towards negative infinity, too. So if we subtract 19 from -4, we'd get -23. T could also be at -23. (If there's a line drawn between -4 and -23, it would also be 19 units long. There's no such thing as a negative length.)

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