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Len [333]
3 years ago
5

Can someone please help me with this

Mathematics
1 answer:
monitta3 years ago
8 0

Answer:

value of k

k= 1.380 649. 10^-23 J / K or k= 8.617 333 262 . 10^-5 eV / K

Step-by-step explanation:

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Calculate the amount of air in a room 6m long, 5m wide and 3mm high.​
kherson [118]

Answer:

90.000 m³

Step-by-step explanation:

  • L = 6 m
  • W = 5 m
  • H = 3 mm = 3.000 m

V = L × W × H

V = 6 × 5 × 3.000

V = 30 × 3.000

V = 90.000 m³

4 0
2 years ago
Read 2 more answers
How many x-intercepts does the graph of y = 2x^2 + 5x +9 have?
Pepsi [2]

Answer:

2

Step-by-step explanation:

y = 0 at the point where the function intersects x-axis. Thus, yiou have to put

                                              2x2 + x - 10 = 0

and solve the equation. It is better to factor the quadratic expression, which gives us

                                             2x2 + x - 10 = (2x+5)(x-2) = 0

We have 2x +5 = 0     and x-2 = 0. Thus, the intercepts are x = -5/2 = - 2.5    and x = 2.

Read more on Brainly.com - brainly.com/question/12158546#readmore

7 0
3 years ago
Can Someone help me?
olchik [2.2K]
First question
1:C 2:D 3:B 4:D

second question
0-2+5

6 0
3 years ago
Read 2 more answers
Jason and Kyle both choose a number from 1 to 10 at random. What is the probability that both numbers are odd?. A.1/3. B.1/2. C.
Ahat [919]


<span>There are 100 possible pairs of numbers.
Half of them start with an even number so only 50 have a first odd number.

Of those remaining 50, half of those have an odd second number.
Leaving 25 of the original 100 to have two odd numbers.

P= 25/100=1/4</span>
5 0
3 years ago
Solve the formula for h: A=1/2bh+3
olga55 [171]

cross multiply the equation to give you

1= a(2bh+3)

divide both sides by a(2b+3)

answer is 1/2ab+3 = h


5 0
3 years ago
Read 2 more answers
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