All categories

3 years ago

How mlong would it take to dig a hole 10 m by 10 m by 10 m?

1 answer:

4 0

That depends on how quickly the hole is being dug. First, you have to find how many cubic feet this hole is. That's fairly simple; length times height times depth equals volume, so the hole is 1,000 cubic feet. Say you're digging at one cubic foot per ten minutes, then it would take you 10,000 minutes (166 hours, about seven days) so just under a week to dig a hole at that rate.

You might be interested in

Solve the following equation for x

grigory [225]

Answer:

I have no ide- the correct answer -7 pls brainliest

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

alisha [4.7K]

Answer:

$d=3\sqrt{2}\ units$

Step-by-step explanation:

The complete question is

Line L contains points (3, 5) and (7, 9). Points P has coordinates (2, 10). Find the distance from P to L

step 1

Find the equation of the line L contains points (3,5) and (7,9)

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the given values

$m=\frac{9-5}{7-3}$

$m=\frac{4}{4}=1$

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=1\\point\ (3,5)$

substitute

$y-5=(1)(x-3)$

isolate the variable y

$y=x-3+5$

$y=x+2$ -----> equation A

step 2

Find the equation of the perpendicular line to the given line L that passes through the point P

Remember that

If two lines are perpendicular, then their slopes are opposite reciprocal

The slope of the given line L is $m=1$

The slope of the line perpendicular to the given line L is

$m=-1$

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=-1\\point\ (2,10)$

substitute

$y-10=-(x-2)$

isolate the variable y

$y=-x+2+10$

$y=-x+12$ ----> equation B

step 3

Find the intersection point equation A and equation B

$y=x+2$ -----> equation A

$y=-x+12$ ----> equation B

solve the system by graphing

The intersection point is (5.7)

see the attached figure

step 4

we know that

The distance from point P to the the line L is equal to the distance between the point P and point (5,7)

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

(2,10) and (5,7)

substitute

$d=\sqrt{(7-10)^{2}+(5-2)^{2}}$

$d=\sqrt{(-3)^{2}+(3)^{2}}$

$d=\sqrt{18}\ units$

simplify

$d=3\sqrt{2}\ units$

see the attached figure to better understand the problem

6 0

3 years ago

PLEASE HELPPPP ILL GIVE BRAINLIEST!!!

makkiz [27]

Answer:

3 (Anna) + 5 (Todd) = 8

8 x 50 = 400

10 x 3 = 300

Dan takes 300 steps.

6 0

3 years ago

Read 2 more answers

Can anyone help with this question please!

Snowcat [4.5K]

Answer:

6 in

Step-by-step explanation:

A= bh

18 as our area= 3 as our base and (x) as the height

18/3 = 6

so 6 is the height

Let's make sure that the answer is right:

A= bh

A= 3(6)

A= 18

6 0

3 years ago

A $350 purchase is discounted 15%. You use a 20% coupon. What is the total paid?

borishaifa [10]

Answer:

238 should be the answer

Step-by-step explanation:

6 0

3 years ago