3 years ago

FIND THE PERCENT DECREASE FROM 20 TO 17. round to nearest tenth if necessary. give formula

Mathematics

1 answer:

solmaris [256]3 years ago

8 0

Answer:

The percentage decrease is 15%.

Step-by-step explanation:

To find the percent decrease of any two numbers, subtract the numbers and divide it by the original.

So in this case:

20-17÷20

= 3÷20

= 0.15

Now convert to a percent.

0.15×100 = 15%

You might be interested in

What is the constant of proportionality for the relationship between the length of the arc intercepted by a 80 degree angle and

Over [174]

So the length of the arc is given by: l = r*theta, here theta is the intercepted angle in unit radian

So, 80 degrees = 80/360 * 2pi = 4/9 * pi

So l = r * (4/9 * pi), the constant ratio is 4/9 * pi

3 0

3 years ago

The two cities Midway and Union are 40 km from each other. How far apart would the cities be on a map that has a

allochka39001 [22]

Answer:

4cm

Step-by-step explanation:

40÷10=4 and each dm is 10 km

8 0

3 years ago

A rectangular pan has a length that is the width. The total area of the pan is 432 in.2. What is the width of the cake pan? A =

spayn [35]

Answer:

Let width = w

length = 4w/3

Area = 432 = length*width = w*4w/3

4w^2/3 = 432

w^2 = 432*3/4 = 324

w = 18

so the width of the cake pan is 18 inches.

4 0

3 years ago

Express 1/3 as a repeating decimal and round to the nearest hundredth.

katrin [286]

Answer:

1/3 is .333... so you can write .33.... or .33 with a line on top of the 3's

Step-by-step explanation:

.3 is in the tenths and .33 is in the hundredths place

3 0

2 years ago

Graycie and her 6 friends are using 293 beads to make bracelets. They share the beads evenly but some were left over. How many b

FrozenT [24]

Answer:

Step-by-step explanation:

3 0

3 years ago