Daniel collected 120 sports cards. Fifty-five of the cards are baseball cards . About what percent of the cards are baseball cards? Round to the nearest percent

Answers

Answer 1

Answer: To find the percentage (or probability) of something, we have to take the selected amount over the total number.

Therefore, our fraction or percentage is 55/120, which when divided equals 0.4583.

Rounded to the nearest percentage, this would be approximately 46%.

Answer 2

Answer: To find the percentage, divide 55/120, then move the decimal 2 places to the right
.458333
45.83%

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I need help right away with the next problem.

Answers

Answer:

see below

Step-by-step explanation:

To convert the numbers to percentages, divide each number by the table total (80) and multiply by 100%. That is equivalent to multiplying each number by 1.25%. For example, 18·1.25% = 22.5% (middle table number).

Factor 9x6 – 16 y completely.First factor each term.
9x6 = (__)?
16y6 = ()2
Then use a? - b2 = (a - b)(a + b). Show your work.
9x6 – 16y6 =

Answers

Answer:

(3x^3 - 4y^3) ( 3x^3 + 4y^3)

Step-by-step explanation:

9x^6 – 16 y^6

Rewriting as

(3x^3) ^2 - ( 4y^3) ^2

This is the difference of squares a^2 - b^2 = (a-b)(a+b)

(3x^3 - 4y^3) ( 3x^3 + 4y^3)

Answer:

(3x^3 - 4y^3) ( 3x^3 + 4y^3)

4x + y =1
x + 2y = 9

Answers

Answer:

x=-1 y=5

Step-by-step explanation:

A. 4x+y=1 multiply the equation negative 2

B. x+2y=9

-8x-2y=-2 add this to equation b

x+2y=9

-7x=7 divide both sides by -7

x=-1

now substitute x for -1 in either of the original equations

-4+y=1 add 4 to both sides

y=5

-4+5=1

-1+10=9

(x2 + 3x + 1)(x2 + x + 2)

Answers

$( x^(2) +3x+1)( x^(2) +x+2) \n = x^(2) ( x^(2) +x+2)+3x( x^(2) +x+2)+1( x^(2) +x+2) \n = x^(4)+ x^(3)+2 x^(2) +3 x^(3) +3 x^(2) +6x+ x^(2) +x+2 \n = x^(4) +4 x^(3) +6 x^(2) +7x+2$

Line AB contains points A (0, 1) and B (1, 5). The slope of line AB is

Answers

For any points (x1, y1) and x2, y2)
the slope od the line joining them is
(y2-y1)/(x2-x1)

I would have say Slope = (5-1)/(1-0)= 4

so the rise = 5-1, run = 1-0

which is still 4

What is the 52nd number of pi?

Answers

5 is the 52nd number in pi

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A doctor estimates that a particular patient is losing bone density at a rate of 3% annually. The patient currently has a bone density of 1,500 kg/mg3. The doctor writers an exponential function to represent the situation. Which values should the doctor use of a and b in a function written in the form f(x)= abx, where f(x) represents the bone density after x years?