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BARSIC [14]
3 years ago
9

Please help me out! :) !!!!!!

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

Answer:

your answer is 8/40 but is reduced to 1/5

Step-by-step explanation:


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I need help with this question :|
True [87]

Answer:

see explanation

Step-by-step explanation:

Note the ratios between consecutive terms is constant, that is

- 220 ÷ 11 = 4400 ÷ - 220 = - 88000 ÷ 4400 = - 20

Thus to obtain the next term in the sequence multiply the previous term by - 20

Start with 11 and multiply by - 20

7 0
3 years ago
determine the radius of the cone ,if the voulime of the cone is 125 cm to the power of 3 and the height of the cone is 12cm. Rou
Salsk061 [2.6K]

For this case we have that by definition, the volume of a cone is given by:

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

Where:

r: It is the radius of the cone

h: It is the height of the cone

According to the statement data we have:

h = 12 \ cm\\V = 125 \ cm ^ 3

Substituting in the formula:

125 = \frac {1} {3} * \pi * r ^ 2 * 12

We cleared the radius:

3 * 125 = \pi * r ^ 2 * 12\\\frac {3 * 125} {12 \pi} = r ^ 2\\9.9522 = r ^ 2\\r = \pm \sqrt {9.9522}

We choose the positive value:

r = 3.1547

We round and we have that the radius of the cone is:

r = 3.16 \ cm

ANswer:

r = 3.16 \ cm

4 0
3 years ago
Write an equation of the line passing through (-6, 1) that is perpendicular to the line 2x -5y = 2
Bess [88]

Answer:

y= -5/2 x + 14 (point slope form)

2y+5x=28 (standard form)

Step-by-step explanation:

Perpendicular lines met the following condition

m1*m2=-1 (the product of their slopes is -1)

To obtain m2, the slope of our desired line lets first re arrange the equation of the first line. 2x-5y=2, so. 2x-2=5y.

Isolating y, leads the following, result: y= 2/5 x - 2/5

m1=2/5

m2 is =-5/2

The equation of our desired line is the following

y=mx+b, we have m, which is -5/2, but still need to find value for b.

Lets now evaluate the above equation in the given point (-6,1).

1=-6 * -5/2 + b.

b=14.

Now we can say the equation that our desired line is

y= -5/2 x + 14 (point slope form)

Or... If we group variables 'x' and 'y' together

y+5/2 x = 14, we want integer coefficients, so lets multiply this expression by 2, to obtain the following:

2y+5x=28

4 0
3 years ago
Free
Aleksandr [31]

Answer:

tysm. Have a wonderful day...

6 0
3 years ago
PLEASE HELP !<br> I AM RUNNING OUT OF TIME
andrezito [222]

Answer:

149

Step-by-step explanation:

If you order the numbers from smallest to biggest and then find the middle number it is 149

6 0
3 years ago
Read 2 more answers
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