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3 years ago

What three digits are in the units period 4,083,817

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

5 0

8,1,7 I hope this helps

inna [77]3 years ago

5 0

8, 1, 7 hope this helps!

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According to the fundamental theorem of algebra, how many zeros does the polynomial below have?

Oxana [17]

It has 3 zeros, because its a polynomial of degree 3.

6 0

3 years ago

Read 2 more answers

9/20

Stella [2.4K]

Question:

Find the number of real number solutions for the equation. x^2 + 5x + 7 = 0

Answer:

The number of real solutions for the equation $x^{2}+5 x+7=0$ is zero

Solution:

For a Quadratic Equation of form : $a x^{2}+b x+c=0$ ---- eqn 1

The solution is $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Now , the given Quadratic Equation is $x^{2}+5 x+7=0$ ---- eqn 2

On comparing Equation (1) and Equation(2), we get

a = 1 , b = 5 and c = 7

In $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$ , $b^2 - 4ac$ is called the discriminant of the quadratic equation

Its value determines the nature of roots

Now, here are the rules with discriminants:

1) D > 0; there are 2 real solutions in the equation

2) D = 0; there is 1 real solution in the equation

3) D < 0; there are no real solutions in the equation

Now let solve for given equation

$D= b^2 - 4ac\\\\D = 5^2 - 4(1)(7)\\\\D = 25 - 28 \\\\D = -3$

Since -3 is less than 0, this means that there are 0 real solutions in this equation.

4 0

4 years ago

4k+mn=n-3; solve for n

solong [7]

Since we are solving for n you have to isolate the n. Therefore, you want all the variables with an n in it on one side and all the variables without an n on the other side:) :
4k+3= -mn+n (There were a change in signs because for example you moved the -3 to the other side, therefore it can only be a negative on one side so now you have to change the sign to a positive:) hope you got that)
That would've been your answer because you cannot do anything else...Hope this helped :)

8 0

3 years ago

Y-(5-(y-x)) x = 4 y = 6 I need the steps please, this is a little bit confusing..

KATRIN_1 [288]

Answer:

Step-by-step explanation:

substitute x = 4 , y = 6 into the expression

y - (5 - (x - y))

= 6 - (5 - (6 - 4))

= 6 - (5 - 2))

= 6 - 3

= 3

3 0

2 years ago

Your brother has $2000 saved for a vacation. His airplane ticket is $637. Write and solve an inequality to find how much he can

lapo4ka [179]

Answer:

$1,363

Step-by-step explanation:

i googled it .... but its $2000 - $637...you get $1363

5 0

3 years ago