A dime has a radius of 8.5 millimeters. Find the circumference of a dime to the nearest tenth

Mathematics

1 answer:

g100num [7]3 years ago

3 0

Well C=Dπ so C=17 x 3.14 = 53.38 which is rounded to 53.4

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29. Find the height of the trapezoid. Use this height to find the area. (A =

harkovskaia [24]

Answer:

<em>The area of the trapezium is 168</em>

Step-by-step explanation:

<u>Area of a Trapezoid</u>

Given a trapezoid of parallel bases b1 and b2, and height h, the area is calculated with the formula:

$\displaystyle A=\frac{b_1+b_2}{2}h$

The trapezoid in the figure has b1=15 and b2=27. We need to find the height. If we focus on triangle BCD, we can calculate the height as the distance EC by using the Pythagora's Theorem:

$10^2=EC^2+BC^2$

The side BC can be found as half the difference of the bases:

$BC=\frac{27-15}{2}=6$

Solving for EC:

$EC^2=10^2-6^2=100-36=64$

$EC=\sqrt{64}=8$

Now we have the height, calculate the area:

$\displaystyle A=\frac{15+27}{2}*8$

$\displaystyle A=\frac{42}{2}*8$

A = 168

The area of the trapezium is 168

5 0

2 years ago

Larry has 9 gallons of paint. He uses 10 quarts of paint to paint his kitchen and 3 gallons to paint his living room. How many P

BigorU [14]

He has 9 gallons, he uses 3 gallons for living room and 10 quarts for kitchen

10 quarts = 2.5 gallons

9-3-2.5= 3.5 gallons

3.5 gallons is 28 pints

I hope this helps

3 0

3 years ago

Read 2 more answers

Mrs. Wallace wants to buy 112 gallons of sour cream for a recipe. If sour cream is sold only in 1-pint containers, how many cont

serg [7]

Answer:

896 containers

Step-by-step explanation:

Given that;

1 pint = 1 container

Convert 112 gallons to pint

1 pint x 0.125 gallons