3 years ago

The area of a circle is 31.4 cm^2 what’s the radius

Mathematics

1 answer:

Scrat [10]3 years ago

8 0

A=(pi)(r^2)=(3.14)(r^2)=31.4
R^2=10
R=square root of 10

You might be interested in

What is the Square root of -18

Montano1993 [528]

Answer:

3i square root 2

Step-by-step explanation:

5 0

2 years ago

Find the area and the circumference of a circle with radius 7 cm.

aniked [119]

Answer:

C=14pi cm

A=49pi cm^2

Step-by-step explanation:

1) Circumference of a circle is 2piR and R=7cm

C=2pi(7)

C=14pi cm

2) Area of a circle is piR^2 and R=7cm

A=pi (7)^2

A=49pi cm^2

3 0

3 years ago

A dish that is served at a summer camp calls for 160 ounces of milk. How many one pint containers of milk are needed?

Ivahew [28]

Answer: 2,560 pint containers

Step-by-step explanation:

1 ounce = 0.0625 pints

160 ounces / 0.0625 = 2,560 cointainers of one pint each

3 0

3 years ago

Read 2 more answers

Which is larger 3kL or 30000L

dolphi86 [110]

30000L is larger than 3kL

7 0

3 years ago

The y - intercept is y=-5/3 x-4

Dimas [21]

Answer:

Step-by-step explanation:

This is the slope-intercept form of a line equation.

This means that -5/3 is the slope of the line.

It also means that -4 is the y intercept.

<u>-4 is the y intercept.</u>

7 0

3 years ago