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QveST [7]
3 years ago
11

A right triangle has a side with length 12 in and a hypotenuse with length 20 in. find the length of the second leg (in inches).

(round to the nearest hundredth if needed)
Mathematics
1 answer:
Kipish [7]3 years ago
7 0
If the second leg is x so
 x² = b² - a²
x² = (20)² - (12)² = 256
x = 16 in
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Here is the pic, pls solve it, I am very bad at these stuff.
hodyreva [135]

Answer:

About 339.12 (using 3.14)

About 339.29 (Using PI function on a calculator)

It should say on top if you should use 3.14 or the pi function

Step-by-step explanation:

So find the areas of the circle first, the radius is 3 so we square that and times pi becuase circle of area is pi*raidus^2

So you’ll get 9 Pi

Now there are 2 so we double that

Thats 18 Pi

Now the middle, I‘d like to think of t like a soda can, if you slice a line in the middle And flatten out the curve, you’ll get a. Rectangle which is L*W. Now we know one side (15) and now the other side is just the circumfrcne of the circle (Circumfrnce is the pereimtr of the circle). Now Circumfrnce formula is either 2*radius*pi or just pi*diameter. So we only have radius so 3*2 is 6, 6*pi is 6 pi. Now we multiply 6 pi and 15 which is 90 Pi. Now 90 pi + 18 Pi is 108 pi. Now it depend on what the directions asked, if asked to use 3.14 for pi, its about 339.12 but if asked to use pi function, it’s be 339.29. If asked to use other less common ones, use multiply the thing they asked you to use by 108.

7 0
3 years ago
Which expression uses the associative property to make it easier to evaluate
Crazy boy [7]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Jessica conducts an experiment. She flips a coin 100 times. In her experiment she gets heads 40 times and tails 60 times. Based
egoroff_w [7]

Answer:

20

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Whats the Square root of 13?
luda_lava [24]
The square root of 13 is an irrational number so you would just write it as the square root of 13.
6 0
3 years ago
Read 2 more answers
Subtract x3 – 7x2 + 3 from the sum of - 3x3 + x2 and – x2 + 4x - 3.
Vesnalui [34]

Answer:

x3 – 7x2 + 3------  x3 - 7x2 + 3

3x3 + x2-----------x2 • (3x + 1)

x2 + 4x - 3------------ x2 + 4x - 3

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 ((x3) -  7x2) +  3

Step  2  :

Polynomial Roots Calculator :

2.1    Find roots (zeroes) of :       F(x) = x3-7x2+3

Polynomial Roots Calculator is a set of methods aimed at finding values of  x  for which   F(x)=0  

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers  x  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  1  and the Trailing Constant is  3.

The factor(s) are:

of the Leading Coefficient :  1

of the Trailing Constant :  1 ,3

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        -5.00      

     -3       1        -3.00        -87.00      

     1       1        1.00        -3.00      

     3       1        3.00        -33.00    

Hope this helps.

3 0
3 years ago
Read 2 more answers
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