# Pre-Algebra Party

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10/5, -10/5

c= 13 cm

### 11-5 What is the formula for the hypotenuse of a 45-45-90 triangle?

hypotenuse= x(√2)

median: 34

### 12-1 Describe a set of data that would be easier to display with a frequency table than with a histogram.

Answer may vary. Example: data in which one or more numbers occur with a high frequency.

6

4,800 eggs

20,25,30

### 13-7 What is the mnemonic for multiplying binomials. Solve (x+2)(x-1).

FOIL. x^2-1x+2x-2.

### 4-1 Is 53 divisible by 9, explain.

No, 53 can not be divided by 9, there will be a remainder of 8.

### 4-3 State whether each number is prime or composite. 19, 27, 38

prime, composite, composite.

1/3

9 passes

### 4-6 Write three fractions equivalent to 3/5.

answers may vary. Examples: 6/10, 9/15, 15/25

.6

5/8,-4/10

### 5-4 Find the product and quotient. Simplify if possible. 2/3(1/5), (1/2)/(1/3)

2/15,3/2 or 1 1/2

b=1/10

36

Example: