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Vlad1618 [11]
3 years ago
11

Old Shark Tank Length: 20 meters Width: 4 meters Helght: 10 meters Terrence knows that each shark needs 25 cubic meters of space

. The new tank will still be 10 meters in height. The length and width of the new tank will be 25% greater than the length and width of the old tank How many more sharks can the new tank hold?​
Mathematics
1 answer:
schepotkina [342]3 years ago
4 0

Answer:

volume of old tank=20×4×10=800m³

no of shark adjust =800/25=32 sharks is adjusted in old shark tank

for new

if length=25℅0f 20+20=25m

breadth=25%of 4 +4=1+4=5m

height is same=10m

new volume =25×5×10=1250m³

total no.of shark adjust=1250/25=50 shark

50-32=18 more shark that the new tank hold.

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Find the value of <br> x<br> y, and <br> z in the parallelogram below.
EastWind [94]
Let A be the angle of 79 degrees
B be the angle of (5y-4) degrees
C be the angle of (x+5) degrees
D be the angle of (9z-7) degrees
According to the property of parallelogram
Opposite angles are equal
We get, angle A = angle C
Since angle A = 79 degrees
And angle C = (x+5) degrees
We get, x+5=79
=> x=79-5=74.

Angle B = Angle D
(5y-4)=(9z-7)
Since there’s two variables here, we can’t use the property of “opposite angles are equivalent”
We have to use another property which is adjacent angles are equal
Therefore, we can find angle D
Angle D + Angle A=180
=> 9z-7 =180-79
z=108/9
z=12
Since (5y-4)=(9z-7)
Substitute z=12 in
We get, 5y-4=101
y= 105/5
y= 21
Therefore, x=74, y=21 and z=12.
6 0
1 year ago
Please help due ASAP .....
dem82 [27]

Answer:

y = 4x - 9

Step-by-step explanation:

Same slope, so they're parallel

6 0
2 years ago
Part 1: Create your own quadratic equation that cannot be solved by factoring, but can be solved using the quadratic formula. Id
eimsori [14]
when you use all prime, non-one numbers for b and c, it cannot be factored most of the time


example
1x^2+7x+5
a=1
b=7
c=5
x=\frac{-b+/- \sqrt{b^2-4ac} }{2a}
x=\frac{-7+/- \sqrt{7^2-4(1)(5)} }{2(1)}
x=\frac{-7+/- \sqrt{49-20} }{2}
x=\frac{-7+/- \sqrt{29} }{2}
x=\frac{-7+ \sqrt{29} }{2} or \frac{-7- \sqrt{29} }{2}



7 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (12,-8) and (-9,-11)
Sauron [17]
Answer: 1/7


Explanation:

1. Use the formula, y2-y1/x2-x1
Plug in the points, (12, -8) and (-9, -11) into the formula.
Point (12, -8): 12 is the X1 and -8 is the y1.
Point (-9, -11): -9 is the X2 and -11 is the y2
So, -11--8/-9-12

2. -11--8/-9-12= -3/-21= 1/7

I hope this helps!!
3 0
3 years ago
Find the midpoint of the segment with the following endpoints.<br> (4,2) and (7,6)
Tema [17]

Answer:

The answer is

<h2>( \frac{11}{2} \: , \: 4)</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

M = (  \frac{x1 + x2}{2} , \:  \frac{y1 + y2}{2} )

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(4,2) and (7,6)

The midpoint is

M = ( \frac{4 + 7}{2}   \: , \:  \frac{2 + 6}{2} ) \\  = ( \frac{11}{2} \: , \:  \frac{8}{2} )

We have the final answer as

( \frac{11}{2} \: , \: 4)

Hope this helps you

4 0
3 years ago
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