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Answer 1

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Answer:

look up mixed numbers calculator by calculator soup, and then you can find all of your answers! Its an amazing website! good luck (:

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Sneakers cost $63, the sales tax rate is 7.5% what is the total cost if the sneakers to the nearest cent

the length of a tennis court is 78 feet. this is 3 less than 3 times the width of the court. what is the width of the court

Answers

$length:l=78ft.\n\nw-width\n\nl=3w+3\n\n3w+3=78\ \ \ \ /-3\n\n3w=75\ \ \ \ /:3\n\nw=25\ (ft.)\leftarrow answer$

What do I do here? I forget. lol.Of the Comic books available at the comic book store, 42% are Marvel Comics, 23% are Special Edition Comics and 12% are Marvel and Special Edition Comics. A comic book will be selected randomly from the comic book store. What is the probability the comic will not be a Marvel Comic? What is the probability the selected comic will be a Special Edition given that it is a Marvel Comic?
A.0.58 and 0.29
B. 0.58 and 0.23
C. 0.42 and 0.12
D. 0.23 and 0.42

Answers

the probability would be C. 0.42 and 0.12

Answer:

Step-by-step explanation:

What is 7 billion in standard form?

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if by standard from you mean numbers (123) and not words then

1 milllion=1000 thousand or 1000*1000 or 1,000,000
1 billion=1000 million=1000*1000*1000=1,000,000,000
so 7billion=7*1000*1000*1000=7,000,000,000

7 billion is standard form is "Seven Billion"

Which of the following experiments could be used to simulate an event in which the probability of success, P(success), is start fraction one over three end fraction and the number of successes out of 10 events is desired?Use a spinner that is divided into four equal parts. Let one color represent successful; the other three colors represent unsuccessful. Spin the spinner 10 times, once for each event

Use a random number table, with digits 1 and 2 representing successful and the remaining digits representing unsuccessful. Choose 10 digits, one for each event.

Roll a die. Let 5 and 6 represent successful and the other values indicate unsuccessful. Roll the die 10 times, once for each event.

Count out 50 yellow beads and 50 pink beads. Select 10 of these beads at random. Let a yellow bead represent successful and a pink bead represent unsuccessful.

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A.Use a spinner that is divided into four equal parts. Let one color represent successful; the other three colors represent unsuccessful. Spin the spinner 10 times, once for each event

When negative five is subtracted from a number the result is 10. Find the number.15
5
-5
-15

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x = unknown number
x - (-5) = 10
x + 5 = 10
x = 5, or B.

Answer:

the answer is B

Which shows the dimensions of two rectangular prisms that have volumes of 72 cm3 but different surface areas? A. 6 cm by 3 cm by 4 cm; 12 cm by 2 cm by 3 cm B. 2 cm by 4 cm by 9 cm; 9 cm by 4 cm by 2 cm C. 3 cm by 3 cm by 8 cm; 2 cm by 6 cm by 8 cm D. 6 cm by 3 cm by 4 cm; 9 cm by 4 cm by 3 cm

Answers

To solve, lets find the volumes of all of the options...

V=l*w*h

A.
6*3*4=72cm³
12*2*3=72cm³

B.
2*4*9=72cm³
9*4*2=72cm³

C.
3*3*8=72cm³
2*6*8=96cm³

D.
6*3*4=72cm³
9*4*3=108cm³

We can conclude that C & D aren't the answer, since they contain prisms that don't have a volume of 72cm³.

Now lets solve for the surface area of A and B...

A.
sA=2(wh+lw+lh)=2(6*3+4*6+4*3)=2(18+24+12)=2(54)=108cm²
sA=2(wh+lw+lh)=2(12*2+3*12+3*2)=2(24+36+6)=2(56)=112cm²

B.
sA=2(wh+lw+lh)=2(2*4+9*2+9*4)=2(8+18+36)=2(62)=124cm²
sA=2(wh+lw+lh)=2(9*4+2*9+2*4)=2(36+18+8)=2(62)=124cm²

A is the only option with both similar volumes of 72cm³ and different surface areas...

Answer=A

Answer:

Step-by-step explanation:

A, is the answer