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Mathematics

1 answer:

Aleksandr [31]3 years ago

8 0

8,-7 thats ur answer

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Jamiyah and Samantha went to a grocery store and purchased a bag of 22 apples. Let x represent the Jamiyah’s portion of the appl

Serhud [2]

Answer:

Step-by-step explanation:

5 0

3 years ago

5 p increased by 25% is equal to q decreased by 25%. Work out p as a percentage of q.

oksano4ka [1.4K]

The answer is no it will be less here's why let say the original amount is A then a p% increase will be A(1+p/100))

Now from this amount we decrease it by p% this gives A(1+p/100)(1-p/100). We can simplify this expression some by letting x=p/100 then we have A(1+x)(1-x) but this is equal to A(1-x2). You can see that the value of what's inside the () is always <1 as long as x>0. If we calculate how much the amount changes we have A(1-x2)-A=-Ax2 is always a loss.

This is one of the reasons some people lose money in the stock market. If a stock rises 10% and then drops 10% you have actually lost money but it sounds, on the face of it, like you should be even. +10 and -10 percent.

If we now do the calculation for the 25% up and down we have the final amount is is .9375 which is 1.25*.75. and the change is .9375-1=-.0625. So the net result is down 6.25%

6 0

2 years ago

Read 2 more answers

R = 3.7 m.<br> Calculate the circumference of the circle.

Ksivusya [100]

Answer: 23.25m

Step-by-step explanation:

C=2πr=2·π·3.7≈23.24779m

3 0

2 years ago

Please answer the questions(in the pictures) as fast as possible.

andrew-mc [135]

it is 2/3

0--4/6 =

4/6

5 0

3 years ago

A motorist traveled 250 miles on 11 gallons of gas. With the same vehicle, about how far could he go on 16 gallons of gas? A) 17

Andrei [34K]

ANSWER

$363.6 \: miles$
EXPLANATION

We were told that the motorist travelled 250 miles on 11 gallons of gas. This implies that,

$250 \: miles \equiv11 \: gallons$

Now we want to find how far he could go on 16 gallons.

$x \: miles \equiv16 \: gallons$

All other things being equal, the motorist should cover more than 250 miles with 16 gallons of gas.

Recall that: If more, less divides.

This implies that,

$x = \frac{250 \times 16}{11}$

$x = \frac{4000}{11} = 363.6 \: miles$

Therefore the correct answer is C.

3 0

3 years ago