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IRISSAK [1]
3 years ago
7

What is f(0) if f(t) = t^2 – 2t – 2?

Mathematics
2 answers:
Dafna11 [192]3 years ago
6 0

Answer:

-2

Step-by-step explanation:

f(t) = t^2 – 2t – 2

To find f(0), replace t with 0 in the expression and evaluate the expression.

f(0) = 0^2 – 2(0) – 2

f(0) = -2

kow [346]3 years ago
3 0

0 = t

We know this because 0 replaced t in the parenthesis next to F !

The question is just asking you to plug in 0 where ever t is!

Let's do it

f(0) = 0^{2} - 2(0) - 2

<em>solve </em>

<em />

0^{2}  = 0 \\2 ( 0 ) = 0

so, this is what we have left!

f(0) = 0 - 0 - 2

We have our answer!

f (0) = -2

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in a game involving a pair of fair dice a player rolls the dice until he gets a sum of 7 let z equal the number of rolls it take
Anarel [89]

Answer:

z = 36 rolls , probability for getting 7 = 1/6

Step-by-step explanation:

A die has 6 possible outcomes, which sums to 36 for two dice for every value on both dice.

The outcomes for rolling both dice for 36 times gives 6 possible outcomes summing to 7, that is, (1, 6), (2, 5), (3, 4), (4, 3), (5, 2), and (6, 1).

There the probability of getting a sum dice of 7 is:

= 6 / 36 = 1/6

8 0
3 years ago
If DF = 9x -39 find EF
Klio2033 [76]

|DF| = |DE| + |EF|

|DF| = 9x -36

|DE| = 47

|EF| = 3x+10

Substitute:

9x - 39 = 47 + 3x + 10

9x - 39 = 3x + 57     |+39

9x = 3x + 96    |-3x

6x = 96    |:6

x = 16

Put the value of x to the equation |EF| = 3x + 10

|EF| = (3)(16) + 10 = 48 + 10 = 58

Answer: |EF| = 58

7 0
3 years ago
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kirza4 [7]

Answer:

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3 0
2 years ago
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The coordinate grid shows the graph of four equations:
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
Work out 2/15 of 5 Give your answer as a fraction in its simplest form.​
docker41 [41]

Answer:

2/3

Step-by-step explanation:

2/15 of 5

Of means multiply

2/15 * 5

Multiply the numerators

2*5 = 10

Put over the denominator

10/15

We can divide the top and bottom by 5

10/5 =2

15/5 =3

2/3

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