All categories

3 years ago

The circumference of heileen’s basketball is 30 inches. What is the approximate diameter of the basketball?

Mathematics

2 answers:

Gnom [1K]3 years ago

7 0

Answer:

d = 9.554 inches.

Step-by-step explanation:

Formula

C = 2*pi*r

r = the radius

C = the Circumference.

Givens

Circumference = 30 inches.

pi = 3.14

Solution

C = 2*pi * r

30 = (2*r) * 3.14 (you'll see why I've done that in a minute. Divide by pi.

30/3.14 = 2*r

9.554 = 2r

The diameter of the basketball = 2 * radius. So the answer for the diameter = 9.554 inches.

adoni [48]3 years ago

6 0

Answer:

9.55 in

Step-by-step explanation:

The formula for the circumference of a circle (or the circum. of a basketball) is C = πd, where d is the diameter.

Here C =30 in = πd, so

d = (30 in) / π

= 9.55 in, approx.

You might be interested in

Please hellppppp

Juliette [100K]

Answer: d) -5, -40, -640

<u>Step-by-step explanation:</u>

$A_n=-5\cdot 2^{x-1}\\\\A_1=-5\cdot 2^{1-1}\\\\.\quad=-5\cdot 2^0\\\\.\quad=-5\cdot 1\\\\.\quad=-5\\\\\\\\A_4=-5\cdot 2^{4-1}\\\\.\quad=-5\cdot 2^3\\\\.\quad=-5\cdot 8\\\\.\quad=-40\\\\\\\\A_8=-5\cdot 2^{8-1}\\\\.\quad=-5\cdot 2^7\\\\.\quad=-5\cdot 128\\\\.\quad=-640$

5 0

3 years ago

Give an exponential formula for the number of hiv infections, upper h, (in millions) as a function of years, t, since 1985. Use

ollegr [7]

we can sue formula

$P(t)=P_0e^{kt}$

where

P(t) is population after t years

P0 is initial population

k is growth rate

t is time in years since 1985

Let's assume

h(t)=P(t) is million

h_0=P_0 in million

we can replace it

and we get

$h(t)=h_0e^{kt}$ ..............Answer

7 0

3 years ago

What is the definition of photosynthesis?

My name is Ann [436]

Answer:

b. the process of changing light into stored chemical energy in the form of sugars

4 0

3 years ago

Please help Find the value of x

exis [7]

Answer:

Value of x is 2

Step-by-step explanation:

Given

BD = 6

DA = 4

BE = $x+1$

EC = x

Also segment DE is parallel to segment AC

∴ By using Midpoint theorem which states

$\frac{BD}{DA}\cong \frac{BE}{EC}$

Putting the given data in above equation we get

$\frac{6}{4}=\frac{x+1}{x}\\6x=4(x+1)\\6x =4x+4\\6x-4x =4\\2x=4\\x= \frac{4}{2}\\x=2$

6 0

3 years ago

Answer this maths watch question step-by-step

Scilla [17]

The value of <u>a</u> is 2 and the value of <u>b</u> is 6.

<h3>Factoring</h3>

In math, factoring or factorization is used to write an algebraic expression in factors. There are some rules for factorization. One of them is a factor out a common term for example: x²-x= x(x-1), where x is a common term.

You should factor the given expression.

$2-\frac{x+3}{x+1}-\frac{x-5}{x-1}\\ \\ 2+\frac{-\left(x+3\right)\left(x-1\right)-\left(x-5\right)\left(x+1\right)}{\left(x+1\right)\left(x-1\right)}\\ \\ \mathrm{Apply\:the\:fraction\:rule}:\quad \:a+\frac{b}{c}=\frac{ac+b}{c}\\ \\ \frac{2\left(x+1\right)\left(x-1\right)-\left(x+3\right)\left(x-1\right)-\left(x-5\right)\left(x+1\right)}{\left(x+1\right)\left(x-1\right)}\\ \\ \frac{2x+6}{\left(x+1\right)\left(x-1\right)}=\frac{2x+6}{x^2-1}$