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3 years ago

A circle has radius 50 cm. Which of these is closest to its area? Group of answer choices

Mathematics

1 answer:

kobusy [5.1K]3 years ago

8 0

Answer:

7850 cm

Step-by-step explanation:

The formula for area of a circle is: $\pi$ $r^{2}$

$50^{2}$ = 2500

( $\pi$ will be rounded to 3.14)

2500 $\pi$ = 7850

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a discount of 15% saved jackie $57 on office supplies. what was the price of the supplies before the discount?

kolbaska11 [484]

Answer:

$38-

Step-by-step explanation:

15% = $57

57 ÷ 3 = 19%

15 ÷ 3 = 5

100 ÷ 5 = 20

19% × 20 = $380

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3 years ago

Most of the heat loss for outdoor swimming pools is due to surface

fgiga [73]

Answer:

rectangle

Step-by-step explanation:

Perimeter of 20 feet

rectangle (square is technically a rectangle):

sides 5 and 5

5*5 = 25ft²

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3.1809...²π = 31.831ft²

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3 years ago

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Len [333]

Answer:

Step-by-step explanation:

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3 years ago

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Ashley is choosing a popsicle from the freezer at random the probability of her picking a grape popsicle is 3/8 the probability

netineya [11]

If an experiment has $N$ possible outputs, each with probability

$P_1,\ P_2,\ldots,\ P_N$

then the sum of all probabilities is always one:

$P_1 + P_2 + \ldots + P_N=1$

So, in your case, you have

$P(\text{grape}) + P(\text{cherry}) + P(\text{orange}) = 1$

plugging in the given values:

$\dfrac{3}{8} + \dfrac{1}{3} + P(\text{orange}) = 1 \iff \dfrac{17}{24} + P(\text{orange}) = 1$

we can deduce that

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4 years ago

Factorise: (3x - 1/2 y + 1/3 z)^2

Rufina [12.5K]

Given:

$(3x - \frac{1}{2} y + \frac{1}{3} z)^{2}$

Taking the LCM as 6,

$( \frac{1}{6} (18x−3y+2z))^{2}$

Applying the product rule to $\frac{1}{6} (18x−3y+2z)^{2}$ :-

$= > ( \frac{1}{6})^{2} (18x−3y+2z)^{2}$

Now applying the product rule to 1/6:-

$\frac{1^{2} }{ {6}^{2} }(18x - 3y + 2z)^{2}$

Hence, the answer.

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3 years ago

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