All categories

3 years ago

Solve the equation by factoring. z2 − 6z − 27 = 0

Mathematics

1 answer:

Lisa [10]3 years ago

4 0

Answer:

The answer is x= 9 and -3

You must fine 2 number that multiply to equal -27 and add to equal -6

(x-9) (x+3)

Then equal the parts of the binomial to zero

x - 9 = 0

x + 3 = 0

You must get x by its self.

When you do so, you'll have the answer as -3 and 9

Step-by-step explanation:

You might be interested in

If f(x)= 15x+7x and g(x)= x^2-5x, find (f+g)(x)

cupoosta [38]

Answer:

(f+g)(x) = x^2 +10x +7

Step-by-step explanation:

(f+g)(x) = f(x) +g(x) = (15x +7) +(x^2 -5x)

= x^2 +x(15 -5) +7

= x^2 +10x +7

7 0

4 years ago

What is (x^2+2)(5x+1) multipyed

babymother [125]

Answer:

$5x^{3} + x^{2} + 1 0 + 2$ Is the correct answer

Step-by-step explanation:

in pic

<em><u>(Credit: Symbolab)</u></em>

<em><u /></em>

(Hope this helps can I pls have brainlist (crown)☺️)

3 0

3 years ago

Read 2 more answers

Which statement is true about the points shown on the number line?

Arlecino [84]

It should be "A"

On the number line, it shows that -4.5 is further and to the right of -2.3.

Hope that helps!

5 0

4 years ago

Read 2 more answers

A swimming pool measures 35 feet wide by long. What is the ratio of the length to the perimeter in simpiest form

guapka [62]

<h3><u>Question:</u></h3>

A swimming pool measures 35 feet wide by 50 feet long. What is the ratio of the length to the perimeter

<h3><u>Answer:</u></h3>

The ratio of length to perimeter of pool is 5 : 17

<h3><u>Solution:</u></h3>

Given that, swimming pool measures 35 feet wide by 50 feet long

Therefore,

Length = 50 feet

Width = 35 feet

Swimming pool is usually of rectangular shape

<em><u>The perimeter of rectangle is given as:</u></em>

Perimeter = 2(length + width)

Perimeter = 2(50 + 35)

Perimeter = 2(85) = 170

Thus perimeter of pool is 170 feet

<em><u>Ratio of length to perimeter:</u></em>

$\frac{Length}{Perimeter } = \frac{50}{170}\\\\\frac{Length}{Perimeter } = \frac{5}{17}$

Thus ratio of length to perimeter of pool is 5 : 17

6 0

3 years ago

Find the x and y intercepts of the graph of the linear equation 3x + 6y= 24

Darina [25.2K]

Answer:

y=-0.5x+4

Step-by-step explanation:

x intercept=-0.5/1

y intercept=4

4 0

3 years ago