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RSB [31]
3 years ago
13

A number is chosen at random from 1 to 50. Find the probability of selecting numbers greater than 18.

Mathematics
1 answer:
Marrrta [24]3 years ago
4 0

Answer:

32/50 (64%)

Step-by-step explanation:

50 - 18 = 32

32/50 = 0.64

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Please help me with this question please!!!
rodikova [14]
Answer is 182. Just substitute the x and y value into the equation.
3 0
3 years ago
Read 2 more answers
Dirk opened up a savings account with $600. At a yearly interest rate of 5 percent that is compounded monthly, how much interest
gladu [14]

Answer:

Hence final answer is $15.17

Step-by-step explanation:

Given that Dirk opened up a savings account with $600.

So P=$600

"At a yearly interest rate of 5 percent"

Means r=5% = 0.05

"compounded monthly" means n=12

i= monthly rate of interest = r/n=0.05/12

"how much interest will Dirk earn in six months." means find Interest when time is 6 months


Plug these values into compound interest formula:

A=P\left(1+i\right)^t

A=600\left(1+\frac{0.05}{12}\right)^6

A=600\left(1+0.00417\right)^6

A=600\left(1.00417\right)^6

A=600\left(1.02528228828\right)

A=615.169372966

which is approx

A=615.17

Now interest earned will be difference of A and P

Interest =A-P=615.17-600=$15.17

Hence final answer is $15.17

6 0
3 years ago
Consider the polynomial function P(x)=2x⁴ +3x²+12.Find P(−2).
notka56 [123]

Answer:

The value will be 56

Step-by-step explanation:

We have given polynomial P(x)=2X^4+3X^2+12

We have to find P(-2)

For finding  P(-2) we have to put x = -2 in the polynomial

So P(-2) = 2\times (-2)^{4}+3\times (-2)^2+12=32+12+12=56

So value of P(-2) will be 56

For finding  any value we have to just put that value in the polynomial

3 0
3 years ago
Evaluate 60 • x-60 · 15, when x=8.
mamaluj [8]

Answer:

The right answer is, -420

Step-by-step explanation:

Because we use common factor:

60 (x - 15)

We multiply for each term:

 

60 (x) - 60 (15)

60 (8) - 60 (15)

We solve:

480 - 900 = -420

8 0
3 years ago
How can i find the equation of an ellipse if I'm only given 2 points that it contains, NOT including foci, vertices, OR major/mi
likoan [24]
I don't think two points is enough to determine a unique ellipse.  In fact,
I'm sure of that.  If you only have two point, then an infinite number of different
ellipses can be drawn through them.  I know it takes three points to determine
a circle, and I'm sure you need at least that many for an ellipse.
8 0
3 years ago
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