A key code must contain 6 numbers. There are 10 numbers available. How many different key codes can be created?

Answers

Answer 1
Answer: The first number in the code can be any one of the 10 available.
           For each of those . . .
The second number in the code can be any one of the remaining 9.
           For each of those . . .
The third number in the code can be any one of the remaining 8.
           For each of those . . .
.
.
The sixth number in the code can be any one of the remaining 5.

The total number of possible codes is  (10 x 9 x 8 x 7 x 6 x 5) =  151,200 .

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Graph y = -­4x2 ­- 2 and its inverse

Answers

The function and it's inverse are graphed in the attached diagram.

For  y -intercept is x=0. This implies

y=-4(0)^2-2

y=0-2

y=-2

For x-intercept, y=0, This means that,

0=-4x^2-2

-(1)/(2)=x^2

The above equation tells us that, the above equation has no real roots. Hence the graph has no x-intercept.

Also the value a=-4<0, tells us the graph is a maximum graph.

THE INVERSE OF y

y=-4x^2-2

Interchange x and y.

x=-4y^2-2

Make y the subject to obtain,

y^(-1)=\pm (√(-x-2))/(2).

for x<-2.

You can now find the intercepts, with some few points to graph the inverse.

Find the GCF of each number.

75 ¢, 25¢, $1.50, $3.00

Answers

So,

To find the G.C.F. of $0.75, $0.25, $1.50, and $300,

Think of them as 75, 25, 150, and 300.

Find the prime factored form (P.F.F.) of each number.

P.F.F. of 75: 3*5*5

P.F.F. of 25: 5*5

P.F.F. of 150: 2*3*5*5

P.F.F. of 300: 2*2*3*5*5

Find common groups.

5*5 is in all of them.

5(5) = 25

25 is the G.C.F. of 75, 25, 150, and 300 ($.75, $.25, $1.50, and $3.00).

the gcf of 75 cents, 25 cents ,$1.50 and $3.00 is 25 cents

Which fraction is greater between 3/8 2/8 312-6512

Answers

Answer:

Step-by-step explanation:

3/8

Final answer:

Among 3/8 and 2/8, the fraction 3/8 is greater because 3 is a larger number than 2. The part '312-6512' doesn't seem relevant to the problem, so it's likely a typo.

Explanation:

To figure out which fraction is greater between 3/8 and 2/8, we need to compare these two numbers. Since they both have the same denominator (the number on the bottom), you can compare them easily by simply looking at the numerator (the number on the top).

Here, 3 is bigger than 2. Thus, 3/8 is the larger fraction compared to 2/8.

The part of the question which says '312-6512' doesn't seem to relate to the problem, thus we ignore it as a typo.

Learn more about Comparing fractions here:

brainly.com/question/1878884

#SPJ12

5 pizzas cost $60. What will 9 pizzas cost?

Answers

5 pizza cost $60

9 pizzas cost $ x

now solve for x

x= (9*60)/5

x= 540/5

x= 108

9 pizzas will cost $108


I hope that's help Acan !

The answer will be 108 because 12 times 9 is 108

Help would be nice :p *pls don't leave this qestion.....I will cry :|*Which is the best description of the equivalency of the two expressions?

Expression 1
5 x squared minus 2 x minus 4 + 6 x + 3
Expression 2
6 x squared minus 6 x + 6 minus x squared + 10 x minus 7

A.) The two expressions are not equivalent because when x = 2, the two expressions do not have the same value.

b.)The two expressions are not equivalent because when they are simplified, they do not have the same coefficients for the x squared and x terms.

c.) They are equivalent because the sum of the constants is the same in both expressions.

D.) They are equivalent because when x = 2, the two expressions have the same value.

Answers

Answer:

D

Step-by-step explanation:

i think its D hope this helped!

It should In fact be D

a rectangular prism is 11 3/5 meters long, 9 meters wide,and 12 1/2 meters high. What is the volume, in cubic meters, of the prism?

Answers

11 3/5*9*12 1/2=1,305
1,305 cubic meters
Hope I helped.