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3 years ago

ASAP!! PLEASE NEEDS TO BE ANSWERED TODAY

Mathematics

2 answers:

olganol [36]3 years ago

8 0

Answer:

20.7 units

Step-by-step explanation:

The reading is:

-20.7

So, 20.7 units below the water's surface

kirill115 [55]3 years ago

5 0

Answer:

-20.7

Step-by-step explanation:

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4) find the first five terms of the recursively defined sequence. a1=5, an+1=-3an+1

Ostrovityanka [42]

Answer:

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3 years ago

2/7y+3 1/7y (if y = 7/9)

kap26 [50]

Answer:

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Step-by-step explanation:

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3 years ago

Evaluate the expression. StartFraction 9 factorial Over 3 factorial EndFraction 3 6 60,480 362,874

REY [17]

Answer:

60,480 is the correct answer.

Step-by-step explanation:

First of all, let us have a look at the formula of factorial of a number 'n':

$n! = n \times (n-1) \times (n-2) \times ...... \times 1$

i.e. multiply n with (n-1) then by (n-2) upto 1.

Keep on subtracting 1 from the number and keep on multiplying until we reach to 1.

So, $9!$ can be written as: $9 \times 8 \times 7 \times ...... \times 1$

Similarly $3!$ can be written as: $3 \times 2 \times 1$

Re-writing $9 !$ :

$9 \times 8 \times 7 \times ...... 3 \times 2 \times 1\\\Rightarrow 9 \times 8 \times 7 \times ...... 3 !$

Now, the expression to be evaluated:

$\dfrac{9!}{3!} = \dfrac{9 \times 8 \times 7 \times ..... \times 3!}{3!}\\\Rightarrow 9 \times 8 \times 7 \times 6 \times 5 \times 4\\\Rightarrow 60480$

5 0

3 years ago

Read 2 more answers

Solve the following quadratic equation: (3x – 5)2 = 4

Katarina [22]

Answer:

Step-by-step explanation:

It is mandatory (required) to use " ^ " for exponentiation:

(3x – 5)^2 = 4

Taking the square root of both sides, we get

3x - 5 = ±2, or

3x = 5 ±2, or

(a) 3x = 7 => x = 7/3, and

(b) 3x = 3, or x = 1

7 0

3 years ago

What're solutions for X^+4x-9=5x+3

boyakko [2]

Answer:

GUCCI GANG

Step-by-step explanation:

GUCCI GUCCCIII GAAAANNNGGGG

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3 years ago