a chessboard has 64 squares at a chess tournament 84 were used how many squares are there on 84 chessboards

Answers

Answer 1

Answer: there are 84 squares on the chessboards

Answer 2

Answer: 5376 squares on 84 chessboards. You have to multiply 64 by 84

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The table displays the distribution of blood types A, B, AB, and O to the presence of the Rh factor that is either present (Pos.) or absent (Neg.). A 6-column table has 3 rows. The first column has entries negative, positive, total. The second column is labeled A with entries .07, .33, .40. The third column is labeled B with entries .02, .09, .11. The fourth column is labeled AB with entries .01, .03, .04. The fifth column is labeled O with entries .08, .37, .45. The sixth column is labeled Total with entries .18, .82, 1.0. Use the information in the two-way table to complete the statement. The probability that a person has a positive Rh factor given that he/she has type O blood is percent. There is a greater probability for a person to have a than a person to have a positive Rh factor given type O blood
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The local theater is raising ticket prices by 20%. Assuming the current youth ticket price is $7.50, find out how much more the youth tickets will cost. Please Help! This is due tomorrow! I just need to know how to do it not the answer.

Answers

In order to solve this, you need to add 20% of the $7.50 TO the $7.50.
First, multiply 0.20 x $7.50 = $1.50
Then, add the $1.50 to the original $7.50 because the price is increasing by 20%, so the new price of the ticket is $9.00

How many minutes Does each Group take to tell a story? ?

Answers

To find out how much time it would take for each group to tell their stories, we simply need to multiply the amount of people in each group by the amount of time it takes one member to tell a story.

We know that there are either 3 or 4 people in each group, and that it takes 3 minutes for each person to tell their stories, so we simply need to multiply

3 * 3 = 9
4 * 3 = 12

It will take either 9 or 12 minutes for each group to tell their scary stories.
Hope that helped! =)

80 points math question! please explain in simple terms :)Please make a graph also. The main reason I'm asking this question for such high points is for you to explain your answer and how you got it. I really want to understand.

Answers

An absolute value function has a graph that is V shaped.

The domain is the input (x) value, which can be any real number, so the domain is (-∞,∞)

The range starts at the vertex and goes to infinity.

To find the vertex, set the absolute value part of the equation to 0 and solve for x:

x+3 = 0. x = -3

Now replace x with -3 and solve the full equation:

|-3 +3|-1 = -1

The vertex becomes (-3,-1)

The range is the output value ( Y) , so the range would be [-1,∞)

See attached picture for graph:

Answer:

The graph would be something like this.

Step-by-step explanation:

The domain and range would be (-∞, +∞)

This is because, the function f(x) is valid for any of the values between (-∞, +∞)

Hope it helps.

Solve the following proportion. 15/21=5/x
A. 3
B. 105
C. 7
D. not given

Answers

If you would like to solve the following proportion 15 / 21 = 5 / x, you can do this as follows:

15 / 21 = 5 / x /*x
15 / 21 * x = 5 /*21
15 * x = 5 * 21 /15
x = 5 * 21 / 15
x = 7

The correct result would be C. 7.

15/21 = 5/x
15 * x = 21 * 5
15x = 105
x = 7

If a garden has an area of 100 square feet how much fencing is needed to enclose the garden

Answers

depends on the dimensions of the garden
the most economical for resources is 10 ft*10 ft=100 sq ft

if 10 x 10 then fencing needed is 4 x 10 =40

if 5 x 20 then fencing needed is 5 x 2 + 20 x 2 = 50

so it depends on its shape, there are several answers if you stick with whole numbers and many more if you use fractions e.g 2.5 x 40

EXTRA POINTS:You put $500 in your bank account. With an interest rate of 5%, how long will it take the account to reach $600? Use the formula: I = Prt.

Answers

4 years

Hope this helps :)

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