3 years ago

What is 3.281 times 11920?

Mathematics

1 answer:

yanalaym [24]3 years ago

6 0

Answer:

39109.52

Step-by-step explanation:

calculator

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can someone please help me with number 9, it has to do with solving inequalities! (I attached a picture!)

sashaice [31]

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3 years ago

Find the value of x that makes the expression equivalent. (35 points)<br><br>7(8 - x); 56 - 21

Vlada [557]

Answer: x=3

Step-by-step explanation:

7(8-x)=56-21

56-7x=35

-56 -56 (subtract 56 from both sides)

-7x=-21

/-7 /-7 (divide each side by -7)

x=3

3 0

3 years ago

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What is a quartic function with only the two real zeros given?<br><br> x = -4 and x = -1

gogolik [260]

Remark

Now we have to get two more zeros from somewhere. Let us say that the last factor is x^2 + 4 which gives a pair of complex answers. The complete quartic could be something like

y = (x + 4)(x + 1)(x^2 + 4)

The graph follows.

6 0

3 years ago

1.) Simplify the expression.

miss Akunina [59]

Answer:

$sin ( u +\frac{\pi}{2} ) = cos (u)$

Step-by-step explanation:

Let us use the identity

sin(A+B)= cos(A) sin(B)+cos (B) sin(A) to simplify the given expression

Then

$sin(u + \frac{\pi}{2})= \cos \left(u\right)\sin \left(\frac{\pi }{2}\right)+\cos \left(\frac{\pi }{2}\right)\sin \left(u\right)$ --------------------(1)