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Margaret [11]
3 years ago
14

PLEASE HURRY , 30 PTS !!!!

Mathematics
2 answers:
Keith_Richards [23]3 years ago
8 0

a = v^2 / r

v^2 = ar

v = √ar

zlopas [31]3 years ago
3 0

That will be solved like this:

a = \frac{v^{2}}{r}

v^{2} a = r

v^{2} = ra

v = \sqrt{ra}

Hope it helped,

BioTeacher!

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This question is realy hard so helpp
LUCKY_DIMON [66]

Answer:

Algebrically the result can be written as -

9 {x}^{2}  + 24x + 16

Step-by-step explanation:

Let the number be 'x'.

  1. When multiplied by 3 , algebrically it is written as "3x".
  2. When 4 is added to 3x , algebrically it is written as "3x + 4".
  3. When (3x + 4) is squared completely , algebrically it is written as - {(3x + 4)}^{2}  = 9 {x}^{2}  + 24x + 16
8 0
2 years ago
What percentage of a dollar is the value of each coin combination?
Brut [27]

Answer:

Step-by-step explanatinon:

percent is per hundred

4 dimes is  40 cents or $0.40 or 40/100 of a dollar which is40%

1 nickel and 3 pennies or 8 cents or $0.08 Or 8/100 or 8%

5 quarters and one dime is 135/100 or  $1.35 or 135/100 which is 135%

5 0
3 years ago
What do calculators use to show scientific notation
max2010maxim [7]

Answer:

Basically, when a scientific calculator displays a number as aEb, it means to move the decimal point in a as follows:

If b is positive, move the decimal point b units to the right.

If b is negative, move the decimal point b units to the left.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Given that f(x) = 19x2 + 152, solve the equation f(x) = 0
telo118 [61]

<em><u>Option A</u></em>

<em><u>The solution is:</u></em>

x = \pm 2i \sqrt{2}

<em><u>Solution:</u></em>

f(x) = 19x^2+152

We have to solve the equation f(x) = 0

Let f(x) = 0

0=19x^2+152

Solve the above equation

19x^2 + 152 = 0

\mathrm{Subtract\:}152\mathrm{\:from\:both\:sides}\\\\19x^2+152-152=0-152\\\\Simplify\ the\ above\ equation\\\\19x^2 = -152\\\\\mathrm{Divide\:both\:sides\:by\:}19\\\\\frac{19x^2}{19} = \frac{-152}{19}\\\\x^2 = -8

Take square root on both sides

x =  \pm \sqrt{-8}\\\\x = \pm \sqrt{-1}\sqrt{8}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\x = \pm i\sqrt{8}\\\\x = \pm i \sqrt{2 \times 2 \times 2}\\\\x = \pm 2i\sqrt{2}

Thus the solution is found

5 0
3 years ago
HURRY 40 POINTS !!!!!!!!! A person runs 1/4 of a mile in 1/32 of an hour. Compute the unit rate by setting up a complex fraction
hram777 [196]

I am not sure, but the best answer should be 8 miles per hour

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