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kotegsom [21]
2 years ago
13

All values for x > 7

Mathematics
2 answers:
VashaNatasha [74]2 years ago
7 0
Yea use the app it’s works like a charm
galben [10]2 years ago
5 0
Use this app for fast response it’s amazing it’s in the cmmts
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Suppose you want to build a small walkway around your garden so that there is someplace to walk around and work on your vegetabl
wolverine [178]

Answer:

Approximately 3.5 feet - Option B

Step-by-step explanation:

Imagine that you have this walkway around the garden, with dimensions 30 by 20 feet. This walkway has a difference of x feet between it's length, and say the dimension 30 feet. In fact it has a difference of x along both dimensions - on either ends. Therefore, the increases length and width should be 30 + 2x, and 20 + 2x, which is with respect to an increases area of 1,000 square feet.

( 30 + 2x ) * ( 20 + 2x ) = 1000 - Expand "( 30 + 2x ) * ( 20 + 2x )"

600 + 100x + 4x^2 = 1000 - Subtract 1000 on either side, making on side = 0

4x^2 + 100x - 400 = 0 - Take the "quadratic equation formula"  

( Quadratic Equation is as follows ) - x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a},

x=\frac{-100+\sqrt{100^2-4\cdot \:4\left(-400\right)}}{2\cdot \:4}:\quad \frac{5\left(\sqrt{41}-5\right)}{2},

x=\frac{-100-\sqrt{100^2-4\cdot \:4\left(-400\right)}}{2\cdot \:4}:\quad -\frac{5\left(5+\sqrt{41}\right)}{2}

There can't be a negative width of the walkway, hence our solution should be ( in exact terms ) \frac{5\left(\sqrt{41}-5\right)}{2}. The approximated value however is 3.5081...or approximately 3.5 feet.

4 0
3 years ago
how can you write a sum of numbers as the product of their GCF (greatest common factor)and another sum?
Rama09 [41]
Example: 12+24 GCF: 12: 1,2,3,4,6,12 24: 1,2,3,4,6,8,24 Common factors: 1,2,3,4,6 Greatest factor: 6 Divide: 12 divided 6= 2 24 divided 6= 4 12+24= 6x(2+4)
6 0
3 years ago
There is 5/6 of an apple pie left from dinner.Tomorrow,Victor plans to eat 1/6 of the pie that was left.How much of the whole pi
kow [346]

Answer:

1=2/3 reduced or 4/6 full

2=8/3


Step-by-step explanation:


4 0
3 years ago
Please answer right away
Rufina [12.5K]

Answer:

The answer is 295.

Step-by-step explanation:

If you divided each volume by the number of the jelly beans, it is 2.5

Hope it helped you!

3 0
3 years ago
The value of the surface area of the cylinder is equal to the value of the volume of the cylinder. Find the value of x.
zlopas [31]

Answer:

x = 2.5

Step-by-step explanation:

Surface area of cylinder = 2πr(h + r)

Volume of cylinder = πr²h

Given that S.A = Volume of the cylinder, therefore, we have:

2πr(h + r) = πr²h

Radius (r) is given as 2.5 cm

height (h) = x cm

Input the values and solve for x

2πr(h + r) = πr²h

2πr(h + r) = πr(rh)

2(h + r) = rh (πr cancels πr)

2(x + 2.5) = 2.5*x

2x + 5 = 2.5x

Subtract 2x from both sides

2x + 5 - 2x = 2.5x - 2x

5 = 0.5x

Divide both sides by 0.5

\frac{5}{0.5} = \frac{0.5x}{0.5}

2.5 = x

x = 2.5

8 0
3 years ago
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