3 years ago

What is the are of this circle 8cm

Mathematics

2 answers:

Fantom [35]3 years ago

5 0

Answer:

64π(cm)2

Step-by-step explanation:

ad-work [718]3 years ago

5 0

Answer:

8cm

Step-by-step explanation:

It's 8×0. jbjbgubhibhyo

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Andrej [43]

$\bf -5x+2\geqslant -48\implies -5x \geqslant -50\implies \stackrel{\textit{now, we're dividing by -5}}{\cfrac{-5x}{-5}\stackrel{\stackrel{\downarrow }{\frac{}{}}}{\leqslant}\cfrac{-50}{-5}}\implies x\leqslant 10$

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3 years ago

If 170% of a number is 680, what is 50% of the number

Bumek [7]

Answer:

200

Step-by-step explanation:

170% of x = 680

Set up an equation:

170/100 • x/1 = 680

1.7 • x = 680

1.7x = 680

x = 400

50% of 400

1/2 • 400 = 200

8 0

3 years ago

The cost of putting in automatic sprinklers for a lawn largely depends upon the length of Poole that must be laid. The controlle

OLga [1]

Answer:

$c(F) = 135 + 2.5F$

Step-by-step explanation:

We are given the following in the question:

Controller cost = $135

System cost = $2.50 per foot of pipeline

The total cost depends upon the length of Pole.

Let the system requires F feet of pipeline.

Total cost will be given by the equation:

$c(F) = \text{Controller cost + System cost(Feet of pipeline required)}\\c(F) = 135 + 2.5F$

is the required expression for total cost

F: feet of pipeline required

c(F): Total cost of installation

5 0

3 years ago

Ethan went bowling on Saturday night. His scores were 128, 97, 123, and 108. What was his average score for the night?

telo118 [61]

Answer:

$114$

Step-by-step explanation:

$97+108+123+128=456$

$\frac{456}{4} = 114$

3 0

2 years ago

What are all the solutions of x2 + 3x – 4 = 0?

Ulleksa [173]

X^2 +3x-4=0
(X+4)(x-1)=0 so x = -4 and x=1 are solutions

8 0

3 years ago

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What is the are of this circle 8cm​

What is the are of this circle 8cm