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Mariulka [41]
3 years ago
6

Sorry really bad with fractions!! Help

Mathematics
2 answers:
earnstyle [38]3 years ago
3 0
X/4 + 1 = -6 
x/4 = -6 -1 
x/4 = -7 
x= -28 
nalin [4]3 years ago
3 0
\frac{x}{4} + 1 = -6
(\frac{x}{4} + 1) X 4 = -6 X 4
x + 4 = -24
(x + 4) - 4 = -24 - 4
x = -28
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I need help on this also could I get an explanation on how you solved it? Please don't take my points ill get u banned. :P
kenny6666 [7]

Answer:

1/2

Step-by-step explanation:

4 is the total right and 5/7 make it half so it will be 1/2. hope this helps!

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mariarad [96]

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Answer:

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Step-by-step explanation:

Assuming the figure is a parallelogram, the diagonals bisect each other. That means ...

  3x -11 = x +5

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3 years ago
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Cone A has a radius of 2 inches and a height of 3 inches. In cone B, the height is the same, but the radius is doubled. Calculat
wlad13 [49]

Answer: Option C.

Step-by-step explanation:

Use the formula for calculate the volume of a cone:

V=\frac{1}{3}\pi r^2h

Where r is the radius and h is the height.

Volume of the cone A:

V_A=\frac{1}{3}\pi (2in)^2(3in)=12.56in^3

Volume of the cone B:

If the height of the cone B and the height of the cone A are the same , but the radius of the cone B is doubled, then its radius is:

r_B=2r_A\\r_B=2*2in\\r_B=4in

Then:

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Divide V_B by V_A:

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fiasKO [112]

Answer:

1080 m^2 Don't submit m^2 in your answer.

Step-by-step explanation:

Givens

The catch is to find h

To do that, use a^2 + b^2 = c^2

a b and c are in the same 1/2 triangle.

a = 48/2 = 24 m

b = h = ?

c = 51 meters

Solution

a^2 + b^2 = 51^2                      Substitute for b^2 = h^2

24^2 + h^2 = 51^2                   Expand 24^2 and 51^2

576 + h^2 = 2601                    Subtract 576 from both sides

h^2 = 2601 - 576

h^2 = 2025                              Take the square root of both sides

h = 45

Area

Area = 1/2 b * h

Area = 1/2 48 * 45

Area = 1080

Remark

Notice that to find h you only use 1/2 of 48 because that is the base of the right triangle.

To find the area, you need to use all of 48 because 48 is the full length of the base.

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