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Firdavs [7]
3 years ago
9

Helppp please!

Mathematics
1 answer:
bagirrra123 [75]3 years ago
6 0
He had 160$ when he first started
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Pls help I don’t get any of them
JulijaS [17]

Answer:

Step-by-step explanation:

28.   Area of the circle = πr^{2} where r is the radius of the circle.

       Given diameter = 14m, therefore radius = \frac{14}{2} = 7m

       Now area of the circle = 49\pi ^{2} or = 49 * 3.14 * 3.14 = 483.12m^{2}

29. Volume of cylinder = πr^{2}h = π*1.5^{2} * 3 = 6.75π cu. feet or 21.195 cu. feet

30. A ball resembles a sphere. Volume of the sphere = \frac{4}{3} \pi r^{3}

      Given diameter = 30inches; Therefore, radius = 15 inches

 Now, Volume of the ball = \frac{4}{3} \pi 15^{3} = 4500π cu. inches or 14310 cu.inches

7 0
3 years ago
Help, Perhaps? this one has me kinda stumped, i know its prob easy, im just not to big brain rn lol :Sweat_emoji:
Naddika [18.5K]

Answer:

Step-by-step explanation:

g

4 0
3 years ago
Read 2 more answers
Anybody can help with these 2 I would really appreciate it for my last grade
Mariulka [41]

Answer:

575x.25=143.75   575-143.75=$431.25

21.95x.15=$3.29 tip total bill $25.24

Step-by-step explanation:

6 0
3 years ago
Use the graph that shows the solution to
Luda [366]

Answer:

The solution for f(x) = g(x) are;

x = 1 and x = -1

Step-by-step explanation:

The given equations for the functions, g(x) are;

f(x) = \dfrac{1 + 2\cdot x}{x}

g(x) = 2 + x

The solution for f(x) = g(x), is given by equating the equations of the two functions as follows;

When f(x) = g(x), we have;

\dfrac{1 + 2\cdot x}{x} = 2 + x

By cross multiplication, we have;

1 + 2·x = x × (2 + x) = 2·x + x²

∴ x² + 2·x - 2·x - 1 = 0

x² - 1 = 0

(x - 1)·(x + 1) = 0

x = 1, or x = -1

f(x) = g(x) = 2 + 1 = 3, or 2 - 1 = 1

Therefore, the solution for f(x) = g(x) are;

f(x) = g(x) = 3 or 1 where x = 1 and x = -1.

6 0
2 years ago
You have 3434 of a pie leftover after your party. Each guest takes home 1616 of the leftover pie.
Pachacha [2.7K]
You would have 1818 of pie left over...... I do not know the fraction of it
7 0
3 years ago
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