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Setler79 [48]
3 years ago
5

A tank is 4 feet long, 6 feet wide and 10 feet tall. How much water can that tank hold?

Mathematics
1 answer:
prohojiy [21]3 years ago
4 0

Answer:

Volume = 240 feet³

Step-by-step explanation:

We'll find it's volume

Volume = Lenth *Width*Height

<u><em>Where Length = 4, Width = 6, Height = 10</em></u>

Volume = 4 * 6 * 10

Volume = 240 feet³

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ycow [4]
5x3=15 25+15=40 40-10=30
6 0
3 years ago
Ms Durham buys a metre of fabric. She cuts off 30) cm. The amount of fabric left in<br> cm is?
oksian1 [2.3K]
70 cm

ex:
100 cm in a meter
so you’d do 100-30 cm
and that equals 70 centimeters
6 0
3 years ago
Write the equation of a line perpendicular to 9xplus7yequals6 that passes through the point ​(9​,negative 7​).
andrew11 [14]

k:\ y=m_1x+b_1\\\\l:\ y=m_2x+b_2\\\\k\ ||\ l\iff m_1=m_2\\\\k\ \perp\ l\iff m_1m_2=-1

We have:

k:\ 9x+7y=6\ \ \ |-9x\\\\7y=-9x+6\ \ \ \ |:7\\\\y=-\dfrac{9}{7}x+\dfrac{6}{9}\to m_1=-\dfrac{9}{7}\\\\l:\ y=m_2x+b\\\\l\ \perp\ k\iff-\dfrac{9}{7}m_2=-1\ \ \ \ |\cdot\left(-\dfrac{7}{9}\right)\\\\m_2=\dfrac{7}{9}\to\ l:\ y=\dfrac{7}{9}x+b

We know. The line <em>l</em> passes throught the point (9, -7). Substitute the coordinates of the poin to the equation of line<em> l </em>:

-7=\dfrac{7}{9}\cdot9+b\\\\-7=7+b\ \ \ \ |-7\\\\b=-14

y=\dfrac{7}{9}x-14\ \ \ \ |\cdot9\\\\9y=7x-126\ \ \ \ |-9y\ |+126\\\\7x-9y=126

Answer: y=\dfrac{7}{9}x-14\to7x-9y=126


7 0
3 years ago
A stone which is dropped into a dry well hits the bottom in 2.2s how deep is the well. take g=10m/s​
Papessa [141]

Answer:

23.7m

Step-by-step explanation:

Given parameters:

       Time taken = 2.2s

     Acceleration due to gravity = 10m/s

Unknown:

Depth of the well  = ?

Solution:

To solve this problem, we simply apply one of the motion equations;

        S = ut + \frac{1}{2} gt²

    where S = depth of the well

                u = initial velocity

                t = time taken

               g = acceleration due to gravity

 Input the parameters and solve for S;

   Note initial velocity = 0;

     S = \frac{1}{2} x 9.8 x 2.2²

    S = 23.7m

3 0
3 years ago
A grocery store owner is planning a display by stacking cans of soup in a pyramid. The top row of the stack will have 1 can, the
Artyom0805 [142]

Answer:

144?

Step-by-step explanation:

1+3+5+7+9+11 blah blah blah...

1+3+5+7+9+11+13+15+17+19+21+23 which gives 144.

5 0
3 years ago
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