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Andre45 [30]
2 years ago
14

Calculate all of this please and you will get the brainlist

Mathematics
1 answer:
ddd [48]2 years ago
8 0

Answer:

4. 118 kg

w = 450 j ,  d = 3.8 m

w = mgh ⇒mg = w / h ⇒m = 450/3.8 = 118 kg

5. 9806.65 Joules

6. 25 J

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In a hand of playing cards, what is the probability that all five are of the same suit?
amid [387]

Answer:

How many five-card hands dealt from a standard deck of 52 playing cards are all of the same suit? If a random hand is dealt, what is the probability that it will have this property?

Would the probability be:

(135)∗(41)(525)

3 0
3 years ago
Read 2 more answers
i just need number 3. my homework is due today and nobody else IRL will help me. please, please, please help me idk what else to
vodomira [7]
Start your line at y=15 and for every number on x go up one square
8 0
3 years ago
Factor the trinomial by using the factor X method 3n-8n+4
Alex73 [517]
3n² - 8n + 4
3n² - 6n - 2n + 4
(3n - 2)(n - 2)
7 0
3 years ago
9. 3x + 9y = 18<br> y = x + 2<br> Substitution method
777dan777 [17]

Answer:

x = 0

y = 2

Step-by-step explanation:

3x + 9y = 18 ---------eqn 1

y = x + 2---------eqn 2

Substitute eqn 2 into eqn 1, for the value of y

3x + 9( x + 2) = 18

3x + 9x + 18 = 18

12x + 18 = 18

12x = 18 -18

12x = 0

Divide both sides by 12 , to get the value of x.

12x/ 12 = 0/12

x = 0

Substitute x = 0 into eqn 2

y = x + 2

y = 0 +2

y = 2

Hint: to confirm the values

x = 0

y = 2

Let's take eqn 1 ,

3x + 9y = 18

3(0) + 9(2)

= 0 + 18

= 18

Correct

Let's take eqn 2

y = x + 2

Let's find y

y = 0 + 2

y = 2

Correct too

4 0
3 years ago
What's 6x to the tenth power divided by12x to the second power
ehidna [41]

Answer:

\frac{1}{2} x⁸

Step-by-step explanation:

Given expression:

       \frac{6x^{10} }{12x^{2} }  

= \frac{6}{12}  x \frac{x^{10} }{x^{2} }  

   As a rule of exponents;

         \frac{a^{n} }{a^{m} }  = a^{n-m}

So;

            =  \frac{1}{2} x x^{10-2}  

            = \frac{1}{2} x⁸

4 0
3 years ago
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