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Stolb23 [73]
3 years ago
14

(a + 3)(a - 2) hurry helpppp asapppp

Mathematics
2 answers:
mote1985 [20]3 years ago
7 0

(a+3)(a-2)

Multiply the two brackets together

a^2-2a+3a+3*-2

a^2+a-6

Answer is a^2+a-6

DedPeter [7]3 years ago
3 0

ANSWER

{a}^{2}  + a - 6

EXPLANATION

The given expression is

(a + 3)(a - 2)

We expand using the distributive property to obtain:

a(a - 2)  + 3(a - 2)

We multiply out the parenthesis to get:

{a}^{2}  - 2a + 3a - 6

Let us now simplify by combining the middle terms to obtain;

{a}^{2}  + a - 6

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answer:

mean: 15.8

median: 12

mode: no mode

range: 27

step-by-step explanation:

  • first know how to find each of the above and what they are
  • mean = (avg) add all the numbers, then divide by the number of numbers
  • median = the middle number from increasing order
  • mode = the one that repeats the most
  • range = the difference between the largest and smallest number

8, 35, 10, 12, 14

<u>mean</u>

8 + 35 + 10 + 12 + 14 = 79

  • there are five numbers

79 / 5 = 15.8

<u>median</u>

  • put them from smallest to largest

8, 10, 12, 14, 35

  • 12 is the median OR the middle number

<u>mode</u>

  • no number repeat, so no mode

<u>range</u>

35 - 8 = 27

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