2 years ago

HELP I NEED HELP ASAP

Mathematics

1 answer:

V125BC [204]2 years ago

7 0

Answer:

try C or A

Step-by-step explanation:

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Simplify the following expression:<br> Sqrt (-16) + sqrt(-25+5)

Studentka2010 [4]

Answer:

(4 + 2√5) i

Step-by-step explanation:

√(-16) + √(-25 + 5)

√(-16) + √(-20)

4i + 2i√5

(4 + 2√5) i

7 0

2 years ago

consider the equation is Y equals 1/square root of x and y=x-2. approximate solution of the system equations

emmasim [6.3K]

Answer:

$x=1$ and $x=4$

Step-by-step explanation:

We have the following system of equations:

$y=\sqrt{x}$ and $y=x-2$

To solve the problem, we need to equal the two equations:

$x-2=\sqrt{x}$ ⇒ $(x-2)^{2} =x$ ⇒ $x^{2} -4x + 4 = x$

⇒ $x^{2} -5x + 4 = 0$

So you need to find two numbers that added equal to 5 and multiplied equal to 4. These two numbers are $x=-1$ and $x=-4$ .

Then, the factorized form of the polynomial is: $(x-1)(x-4)$ .

The, the solution to the system of equations is: $x=1$ and $x=4$ .

5 0

3 years ago

Can someone help me asap

Alenkasestr [34]

Answer:

I hope this is helpful

Step-by-step explanation:

mark brainlest pls

4 0

2 years ago

A computer repairs service charges $50 for diagnosis and $per hour for repairs. Write a linear function that models this situati

saw5 [17]

Answer:

Step-by-step explanation:

6 0

2 years ago

A local University accepted 2,300 students out of 4,500 applicants for admission. What was the acceptance rate, expressed as a p

Mademuasel [1]

2300 out of 4500 were chosen

2300 / 4500 = 0.5111

0.51 = 51%

51% is the acceptance rate.

4 0

2 years ago

Read 2 more answers