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3 years ago

13

Joel cut the longest piece of fencing in order to make a right triangle. If it takes him 30 seconds to install each foot of fenc

ing, how many total minutes will it take him to install the fence?

1 answer:

Harrizon [31]3 years ago

6 0

there is not enough info given to tell how long it would take

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The following are the ages (years) of 5 people in a room:

slava [35]

Answer:

The age of the person who entered the room is 15

Step-by-step explanation:

We are given:

Ages of 5 people in a room are:

17, 16, 15, 17, 22

A person enters room, and then the mean age of 6 people is 17.

We need to find the age of person who entered the room.

The formula to calculate mean is: $Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}$

Now, in question we are given mean of 6 people that is 17

The age of 5 people are given while age of one person who enters the room is unknown.

Let age of person whose age is unknown= x

Now finding x using mean formula

$Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}\\17=\frac{17+16+ 15+ 17+ 22+x}{6}\\17=\frac{87+x}{6}\\17*6=87+x\\102=87+x\\x=102-87\\x=15$

So, The value of x: x=15

Hence, the age of the person who entered the room is 15

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3 years ago

What is 286 over 465 in simplest form?

Sholpan [36]

$\frac{286}{465
}$

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What is the equation of the line that passes through the point (-3,2) and has a slope of -2/3

Nookie1986 [14]

Answer:

Y=-2/3x+0

This is the answer I found

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Find the distance between points p(8, 2) and q(3, 8) to the nearest tenth.

grandymaker [24]

Distance between two points, d, is given by
$d= \sqrt{ ( x_{2} - x_{1}) ^{2} + (y_{2} - y_{1}) ^{2} }
$
where: (x1, y1) = (8, 2) and (x2, y2) = (3, 8)
$d= \sqrt{ ( 3 - 8) ^{2} + (8 - 2) ^{2} } \\ d= \sqrt{ (-5)^{2} + 6^{2} } \\ d= \sqrt{25+36} \\ d= \sqrt{61} \\ d=7.8 \ units$

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3 years ago

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Triangles ADE and ABC are similar. What is the value of

musickatia [10]

Answer:

x=4

Step-by-step explanation:

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3 years ago