Macy has a circular garden that has a radius of 4.5 meters. What is the circumference of her garden? Use 3.14 for pi

Mathematics

1 answer:

agasfer [191]3 years ago

8 0

Answer:

Step-by-step explanation:

<h2><u><em>4.5 * 2 = 9</em></u></h2><h2><u><em>9 * 3.14 = 28.26</em></u></h2><h3><u><em>I hope you find this helpful.</em></u></h3>

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What is the distance between (-6,0) and (5,3)?

Dmitriy789 [7]

Answer:

$\sqrt{130}$ or 11.4

Step-by-step explanation:

Use the distance formula:

d = $\sqrt{(x2 - x1)^2 + (y2 - y1)^2}$

Plug in the points:

d = $\sqrt{(-6 - 5)^2 + (0 - 3)^2}$

Simplify:

d = $\sqrt{(-11)^2 + (-3)^2}$

d = $\sqrt{121 + 9}$

d = $\sqrt{130}$

= approximately 11.4

So, the distance is $\sqrt{130}$ or approx. 11.4

6 0

3 years ago

olivia has $180 to buy presents for her 3 sisters and 2 nephews. She wants to spend $15 more on each sister than she spends on e

koban [17]

So
if x is the number she spent on each sister and y is the number she spent on each nephew then
180=3x+2y

she wants to spend 15 dollars more on sisters than nephews
so
x=15+y
solve

we have
180=3x+2y and
x=15+y
subsitute 15+y for x

180=3(15+y)+2y
180=45+3y+2y
180=45+5y
minus 45 both sides
135=5y
divide both sides by 5
27=y

solve for x
x=15+y
x=15+27
x=42

she spent $42 on each sister

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3 years ago

Twenty percent of the shoes in a factory are black. one shoe is chosen and replaced. a second shoe is chosen and replaced. then

viva [34]

The probability that none of the shoes are black is:

The probability of the shoe that black is: 0.2

The probability of the shoe that is not black is: 0.8

Black: 0.2

Not black: 0.8

Since we’re looking for the probability of the shoe that is not black and there are 3 in a row, the answer will be = 0.8^3

= 0.8^3 will give you the equivalent of 0.512

If changed in percent form, the answer will be: 51.2%