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Anit [1.1K]
3 years ago
14

A = 5 + 3 ( 4 - 2 )

Mathematics
2 answers:
saul85 [17]3 years ago
8 0
A=11 is the answer Hope this helped
bonufazy [111]3 years ago
5 0
Here is your answer:

First write the equation:

A=5+3×(4-2)

According to PEMDAS P goes first.

4-2=2

A=5+3×2

Now M

3×2=6

A=5+6

Now A

5+6=11

Your answer is...
A=11
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What are the possible values of x in 8x^2+4x=-1
Vladimir79 [104]

Answer:

x1=-0.25(+)(0.25i)

x2=-0.25(-)(0.25i)

Step-by-step explanation:

we have

8x^{2}+4x=-1

Factor the leading coefficient

8(x^{2}+0.5x)=-1

Complete the square. Remember to balance the equation by adding the same constants to each side.

8(x^{2}+0.5x+1/16)=-1+1/2

8(x^{2}+0.5x+1/16)=-1/2

(x^{2}+0.5x+1/16)=-1/16

Rewrite as perfect squares

(x+0.25)^{2}=-1/16

remember that

i=\sqrt{-1}

(x+0.25)=(+/-)(0.25i)

x=-0.25(+/-)(0.25i)

x1=-0.25(+)(0.25i)

x2=-0.25(-)(0.25i)

6 0
3 years ago
Suppose a student carrying a flu virus returns to an isolated college campus of 7000 students. Determine a differential equation
Alex73 [517]

Answer:

The differential equation is  \frac{dx(t)}{dt} = k   x(t) [7000 - x(t)]

Step-by-step explanation:

From the question we are told that

     The number of students are n =  7000

      The number of student that have contracted the flu is  x(t)

The number of student that don't have the flu is mathematically represented as

      z = 7000 - x(t)

The rate at which the disease spread is proportional to the number of interactions between students with the flu and students who have not yet contracted it, which can be mathematically represented as

         \frac{dx(t)}{dt} \ \ \ \alpha\ \ \   x(t) [7000 - x(t)]

=>     \frac{dx(t)}{dt} = k   x(t) [7000 - x(t)]

5 0
3 years ago
Find the slope of the line graphed below.
Law Incorporation [45]

Answer:

8/5

Step-by-step explanation:

7 0
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(4x + 8x - 5) + (3x2 + 6x - 7)
ch4aika [34]

Answer:

7x^2 + 14x - 12

Step-by-step explanation:

Add like terms:

(4x + 8x - 5) + (3x2 + 6x - 7) becomes:

  4x^2 + 8x - 5               or (grouping like terms in columns):

+ 3x^2 + 6x - 7

---------------------

 7x^2 + 14x - 12

5 0
3 years ago
The edge of each cube used to build this rectangular prism is 12 inch long. Which equation shows the volume of the prism, in cub
Sveta_85 [38]

Answer:

(4/2 × 2/2 × 3/2) in.³ =3 in.³

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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