MATHEMATICS HIGH SCHOOL

If the price of an item is increased by 12%, the increase in the price is sh.90. Find the new price of the item.

Answers

Answer 1

Answer: Hello!

Answer:

Hence,the new price of the item is 840 shillings.

Answer 2

Answer:

Answer:

sh.840

Step-by-step explanation:

Let x = original price.

12% of x = 90

0.12x = 90

x = 90/0.12

x = 750

The original price was sh.750

The new price is 750 + 90 = 840

Answer: sh.840

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9=ln(x+7) | Solve for x

I don't understand what I'm supposed to do here. I have a test on this tomorrow so if you explain how to do it that would be great.

Answers

Here is a little tip for this: The unit above cancels the unit below. So in this problem you are asked to convert pounds to ounce. So your equation will look like this.

ounce = 2.93 pounds $( (16 ounces)/(1 pounds) ) = 46.88$
Your ratio should involve the conversion factor. So 16 and 1 is involved canceling A and D. Then, Notice that you started with poubls. Then the ratio must have pounds at the bottom to cancel the units leaving ounces.

Caculate the average rate of movement of the volcanic ash for the first 15 hours

Answers

Answer:Average rate of movement = 6.67 km/h

Step-by-step explanation:

Therefore, the average rate of movement of the volcanic ash for the first 15 hours is 6.67 kilometers per hour.

You drive from your home to a vacation resort 420 miles away. You return on the same highway. The average velocity on the return trip is 15 miles per hour slower than the average velocity on the outgoing trip. Express the total time required to complete the round trip, T, as a function of the average velocity on the outgoing trip, x.

Answers

Time required to complete the round trip $T=(420)/(x)+(420)/((x-15))$ where x is average velocity on the outgoing trip.

Step-by-step explanation:

Let average velocity of outgoing trip = x mph

The average velocity on the return trip is 15 miles per hour slower than the average velocity on the outgoing trip.

Average velocity of return trip = (x-15) mph

Distance to vacation place = 420 miles

Distance to vacation place = Time for outgoing trip x average velocity of outgoing trip

$420=t_1* x\n\nt_1=(420)/(x)$

Distance to vacation place = Time for return trip x average velocity of return trip

$420=t_2* (x-15)\n\nt_2=(420)/((x-15))$

We have total time T = t₁ + t₂

That is

$T=(420)/(x)+(420)/((x-15))$

Time required to complete the round trip $T=(420)/(x)+(420)/((x-15))$ where x is average velocity on the outgoing trip.

A cylinder has a radius of 17 millimeters. Its volume is 13,611.9 cubic millimeters. What isthe height of the cylinder?
Use 3.14 and round your answer to the nearest hundredth
millimeters

Answers

Answer:H=15.00mm

Step-by-step explanation:

Emilio keeps 92% of his trading cards in a binder. What fraction of trading cards does he keep in his binder?

Answers

92/100 which simplifies to 24/25

"Percent" means "over 100." So 92% is:

$(92)/(100)$

This can be reduced by dividing both the numerator and denominator by 4 to get:

$(23)/(25)$

This is the fraction of trading cards he keeps in his binder.

88% of 56.25 is what number?