MATHEMATICS MIDDLE SCHOOL

What is the percent of change?
initial value:30
final value:180

Answers

Answer 1
Answer: 600% 30 is 1/6 of 180
Answer 2
Answer: 600% I looked it up and multiplied 30 by 600 and it equals 180. 

Related Questions

How do you solve number 7 please help
James wants to compete in the international speed texting competition next year where participants compete on text speed and accuracy. James’s current text speed is 2 characters per second. James has found that his texting speed increases at a rate of 1⁄2 a character per second for each month that he practices. What is James’s new texting speed if he practices for only 1 month? __________ b. What is James’s new texting speed if he practices for 2 months? ____________ c. What is his new texting speed if he practices for 3 months? _____________ d. Write an algebraic equation that gives James’s texting speed s for m months of practice.
What is the area of a right triangle with a leg length of 15 feet and hypotenuse length of 39 feet
Susie divided 9-POUND bag of apples into 5 equal piles. how many pounds of apples are in each pile
At basketball practice you made 21 out of 80 shots. Which choice is closest to the percentage of shots you made?20%25%30%40%

You use 4 gallons of water on 30 plants in your garden. At that rate how much water will it take to water 45 plants?

Answers

The easiest way to do this is with cross-multiplication.

4 gallons for 30 plants is written as 4/30

x gallons for 45 plants is written as x/45

Multiply 4 x 45 = 180

divide by 30

= 6 gallons of water
4/30 = x/45
cross multiply 
180 = 30x
divide
x = 6 gallons

Matt is raking leaves for his neighbors. It takes him 7/8 hour to rake one lawn. How long will it take Matt to rake the leaves for 6 neighbors?

Answers

6*(7)/(8)=(6*7)/(8)=(42)/(8)=5(1)/(4)
5 hours and 15 minutes (5 hours and a quarter)

It will take him 5 hours and 15 minutes to rake the leaves for 6 neighbors. Hope I could help! :D

The measure of the 3 angles in a triangle are (4x) degrees,(3x-3) degrees, and (5x+3)degrees. Please write an equation, solve for x, and determine the measure of each angle. Please show work and thanks for helping

Answers

This is a good one!

So we know that a triangle's angles must add up to 180 degrees. Therefore, we can say that:

(3x - 3) + (5x + 3) + (4x) = 180.

This can be rewritten as 12x = 180.

Divide each side by 12 to get x alone, you get:

x = 15

Time to plug n' chug.

4x = 60, 3x - 3 = 42, 5x + 3 = 78

Boom!

15.2 m
20 m
18.8 m
What is the area

Answers

Answer:

5715.2 cubic metres

Step-by-step explanation:

I'm assuming that by area you mean volume. If you just take 15.2 x 20 x 18.8 you find the volume, 5715.2 cubic metres.

Answer: 15.2 x 20 x 18.8 = 57, 152 m

Step-by-step explanation: Just multiply all numbers

80% of what # is 16?

Answers

80% of x = 16
"of" translates to multiplication and 80% becomes 80/100.

80/100 × x = 16

0.8x = 16

0.8x/0.8 = 16/0.8

x = 16/0.8

x = 20


Your final answer is 80% of 20 is 16.

PLEASE HELP I GIVE THANKS

Answers

well for 3.  you use the Pythagorean theorem to say that 28^2 - 18^2= x^2 so 21.4  and for 4. the Pythagorean theorem says a^2 + b^2 = c^2 with c being the hypotenuse of any right triangle so the sums of the two smaller squares make the sum of the larger square making the answer b 
Other Questions
mayflies can live at the bottom of lakes for 2 to 3 years before they become winged adults.Mayflies are between 4/10 inches and 1.6 inches long.If this mayfly is 4/10 of an inch long,how can you write 4/10 in simplest form.
Graph each figure and its image under the given reflection
Solve equation for the indicated variable. ac=r/d solve for a
Help me PLEASE!!!!!3x = 27x = ? Thank you!!