2 years ago

The area of a circle is 42.29m2. Find the length of the diameter rounded to 1 DP.

Mathematics

1 answer:

Firdavs [7]2 years ago

6 0

Step-by-step explanation:

area of a circle=πr²

=42.29m²

42.29m²=πr²

then find for r, multiply it by two to obtain the diameter of the circle

You might be interested in

A manufacturer has fixed costs of $16,000 per month and can produce w widgets at a cost of 0.1w^(2) + 20w. How many widgets shou

musickatia [10]

Consider c as the cost of the widget so that our given equation is
c = 0.1w^2 + 20w
Take the derivate of the equation.
d/dt (c = 0.1w^2 + 20w)
dc/dt = 0.2w + 20
Given dc/dt = $16000 per month, the number of widgets would contain:
16000 = 0.2w + 20
-0.2w = 20 - 16000
-0.2w = -15980
w = 79900 widgets

5 0

2 years ago

How do you write the fraction of 6/6 as a sum of fractions in three different ways

zhenek [66]

Answer:

3/6 + 3/6 | 4/12 + 8/12 | 2.5/6 +3.5/6

Step-by-step explanation:

7 0

2 years ago

The ratio of dogs to cats at an animal shelter is 7 to 5. how many cats are at the shelter if there are 42 more dogs than cats,

Zanzabum

105 cats are in the shelter as 1 = 21 x 5