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fredd [130]
3 years ago
11

Jack's mother gave him 50 chocolates to give to his friends at his birthday party. He gave 3 chocolates to each of his friends a

nd still had 2 chocolates left. Write an equation to determine the number of friends (x)(x)left parenthesis, x, right parenthesis at Jack's party.
Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0

Answer:

3x + 2 = 50

16

Step-by-step explanation:

According to the given situation, the equation to determine the number of friends is shown below:-

We assume the number of friends is x

50 - 3x = 2

-3x = -48

3x = 48

x = 16

So, the equation is

3x + 2 = 50

and the number of friends is 16

Therefore, the equation to determine the number of friends we just solved the above equation.

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I Need Help On This
disa [49]

Answer:

The first blank: not equal

The 2nd blank: not right triangle (it's acute triangle)

The 3rd blank: equal

The 4th blank: it's right triangle

Step-by-step explanation:

4^2 = 3^2 + 3^2

<=> 16 = 9 + 9

<=> 16 = 18 ( nonsense)

so triangle LKJ is not right triangle

5^2 = 4^2 + 3^2

<=> 25 = 16 + 9

<=> 25 = 25 ( make sense)

so triangle ABC is right triangle

Done!! :))

6 0
3 years ago
Newton’s law of cooling states that the temperature of an object changes at a rate proportionalto the difference between the tem
Verizon [17]

Answer:

\frac{dT}{dt} = -0.05\;min^{-1}  (T-70\ºF)

Step-by-step explanation:

Hi!

Lets call:

T = temprature of the object

T₀ = temperature of surroundings

t = time

The rate of change of T is its derivative with respecto to time. If T > T₀, the object looses heat, so T decreases. Then, being k > 0:

\frac{dT}{dt} = -k(T-T_0) \\

In this case T₀ = 70ºF and k = 0.05/min. Then the differential equation is:

\frac{dT}{dt} = -0.05\;min^{-1}  (T-70\ºF)

3 0
3 years ago
What does 150 / (-2) equal?
Nookie1986 [14]

Answer:

-75

Step-by-step explanation:

I just checked on a calculator

6 0
2 years ago
Read 2 more answers
What is: <br> 8x - 2(4 + 3x)
Angelina_Jolie [31]
8x-2(4+3x) =0\\ 8x-8-6x=0 \\ 2x-8=0 \\ 2x=8 \\ x=4
6 0
3 years ago
Read 2 more answers
TWENTY PTS!!!
Elan Coil [88]

Answer:

1.

d + 7 > (7d + 3)/3

3d + 21 > 7d + 3

18 > 4d

d < 18/4

d < 9/2

d < 4.5

2.

36 - 2n < 1/3 * n + 15

36 - 15 < 2 1/3 * n

21 < 7/3 * n

21 * 3/7 < n

9 < n

n > 9

7 0
3 years ago
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