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4 years ago

3. You have a square plot of land that has an area of 144 square feet. You

Mathematics

1 answer:

ElenaW [278]4 years ago

3 0

Answer:

113.04square feet

Step-by-step explanation:

square root of 144 is 12

use it as the dimensions of the plot.

the flower gardens largest possible diameter is 12

so divide 12 by a half

6=radius

3.14 times 6squared

you get 113.04

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What is the volume of a cylindrical garbage pail with a radius of 10 centimeters and a height of 50 centimeters?

Snowcat [4.5K]

Answer:

500 $\pi$ or around 1570

Step-by-step explanation:

The formula for a volume of a cylinder is $r^{2}h\pi$

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4 years ago

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Zinaida [17]

Answer:

x=7

Step-by-step explanation:

Since these angles are complementary, they will add up to 90 degrees, so you can set up the equation like so:

8x+5+3x+8=90

First, combine like terms:

(8x+3x)+(5+8)=90

11x+13=90

Then, subtract 13 from both sides:

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Then divide both sides by 11:

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2 years ago

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Fin the domain of the function f(x)=x^2+7

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Step-by-step explanation:

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2 years ago

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Suppose you have 60 red marbles and 40 blue marbles in a

andrew-mc [135]

Answer: The required probability is 0.26.

Step-by-step explanation: Given that there are 60 red marbles and 40 blue marbles in a box 10 marbles are picked without replacement.

We are to find the probability of selecting 6 red marbles.

Since the marbles are picked up without replacement, so it is a situation of combination.

Let S denote the sample space of the experiment of drawing 10 marbles and E denote the event that 6 marbles are red.

So,

$n(S)=^{100}C_{10}=\dfrac{100!}{10!(100-10)!}=\dfrac{100!}{10!90!}=17310309456440,\\\\\\n(E)=^{60}C_6\times^{40}C_4=\dfrac{60!}{6!54!}\times\dfrac{40!}{4!36!}=50063860\times91390.$

Therefore, the probability of event E is given by

$P(E)=\dfrac{n(E)}{n(S)}=\dfrac{50063860\times91390}{17310309456440}=0.26.$

Thus, the required probability is 0.26.

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3 years ago

An architect in Brussels measures something to be 2.5 feet (using the Brussels measurement). How many feet is this in Aalst (usi

borishaifa [10]

Answer:

$2.487F$

Step-by-step explanation:

From the question we are told that

Architect Measures 2.5 feet (using the Brussels measurement)

Generally in Brussels $1F=275.75mm$

Therefore

$2.5F=689.375mm$

Generally in Aalst $1F=277.2mm$

Therefore Mathematically converting to feet in Aalst measurement we get

$689.375mm*\frac{1}{277.2} =2.487F$

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3 years ago