2 years ago

A circle has a radius of 11.4 cm

Mathematics

1 answer:

mojhsa [17]2 years ago

3 0

Answer:

7.6pie

Step-by-step explanation:

120°/360°=X/11.4×2 pie

1/3×22.8 pie =X

X= 7.6 pie

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Courtney biked 8 laps around a park. The app on her phone showed she biked 11.12 miles. What is the constant of proportionality

Ad libitum [116K]

Answer:

1.39/1

Step-by-step explanation:

the answer can be explained by dividing the distance covered by thebiker to the number of laps covered by the same. This gives us the ratio of distance per unti lap for the biker.

11.12 miles divided by 8 gives us= 1.39

7 0

4 years ago

If f(x) = x + 8. find f(6)

BabaBlast [244]

Answer: 14?

Step-by-step explanation:

not sure cause you didn’t put options but i typed it in symbolab functions calculator and that’s what it said..

8 0

3 years ago

What is the set of all solutions to the equation \sqrt{x + 2}= {-x} x+2 =−xsquare root of, x, plus, 2, end square root, equals

NARA [144]

Answer:

$x = 2$ or $x = -1$

Step-by-step explanation:

Given

$\sqrt{x + 2}= {-x}$

Required

Find the possible values fo x

$\sqrt{x + 2}= {-x}$

Square both sides

$( \sqrt{x + 2})^2= ({-x})^2$

$x + 2 = x^2$

Equate to 0

$x^2 - x - 2 = 0$

Expand

$x^2 + x -2x - 2 = 0$

Factorize:

$x(x + 1) - 2(x + 1) = 0$

$(x -2)(x +1) = 0$

Split:

$x - 2 = 0$ or $x + 1 = 0$

$x = 2 + 0$ or $x = 0-1$

$x = 2$ or $x = -1$

3 0

3 years ago

The demand function for a certain make of exercise bicycle sold exclusively through cable television is p=9−0.02x−−−−−−−−√(0≤x≤4

nirvana33 [79]

Answer:

Step-by-step explanation:

The concept of demand is applied, demand may be elastic, inelastic and unitary as the detailed steps and calculations is as shown in the attached file.
For elastic demand, P > 1
For inelastic demand, P < 1
For unitary, P = 1

7 0

3 years ago

Which is the solution to the equation 8.25 + one-fourth w = 10.75? Round to the nearest hundredth if necessary.

bearhunter [10]

Answer:

w=10

Step-by-step explanation:

8.25+1/4w=10.75

8.25+0.25w=10.75

0.25w=10.75-8.25

0.25w=2.5

w=10

I hope this helps

6 0

3 years ago