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3 years ago

Express the ratio in its simplest form 12cm to the 2nd power :3m to the 2nd power

Mathematics

2 answers:

slamgirl [31]3 years ago

7 0

Answer:

16:1

Step-by-step explanation:

Phantasy [73]3 years ago

3 0

Answer:

16:1

plz brainliestt

Step-by-step explanation:

144 : 9

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Factor f(x) = 15x^3 - 15x^2 - 90x completely and determine the exact value(s) of the zero(s) and enter them as a comma separated

Illusion [34]

Answer:

$x=-2,0,3$

Step-by-step explanation:

We have been given a function $f(x)=15x^3-15x^2-90x$ . We are asked to find the zeros of our given function.

To find the zeros of our given function, we will equate our given function by 0 as shown below:

$15x^3-15x^2-90x=0$

Now, we will factor our equation. We can see that all terms of our equation a common factor that is $15x$ .

Upon factoring out $15x$ , we will get:

$15x(x^2-x-6)=0$

Now, we will split the middle term of our equation into parts, whose sum is $-1$ and whose product is $-6$ . We know such two numbers are $-3\text{ and }2$ .

$15x(x^2-3x+2x-6)=0$

$15x((x^2-3x)+(2x-6))=0$

$15x(x(x-3)+2(x-3))=0$

$15x(x-3)(x+2)=0$

Now, we will use zero product property to find the zeros of our given function.

$15x=0\text{ (or) }(x-3)=0\text{ (or) }(x+2)=0$

$15x=0\text{ (or) }x-3=0\text{ (or) }x+2=0$

$\frac{15x}{15}=\frac{0}{15}\text{ (or) }x-3=0\text{ (or) }x+2=0$

$x=0\text{ (or) }x=3\text{ (or) }x=-2$

Therefore, the zeros of our given function are $x=-2,0,3$ .

7 0

3 years ago

There are 8 states in the United States that begin with the letter “M.” If you chose a state at random, what is the probability

Goryan [66]

Answer: 8/50

Step-by-step explanation:

simplified is 4/25

4 0

3 years ago

Given a mean of 24.5 and a standard deviation of 1.7 what is the z score of the value 24 rounded to the nearest tenth?

Softa [21]

The correct answer is B) -0.3

Z-scores are found using the formula

z = (X-μ)/σ

For this problem, we have

z = (24-24.5)/1.7 = -0.5/1.7 = -0.3

3 0

3 years ago

#19 solve the equation. 5m + 4m = 72

Ganezh [65]

5m + 4m = 72

Combine like terms.

9m = 72

Divide both sides by 9.

m = 8

7 0

3 years ago

Read 2 more answers

Find the diameter, area and circumference.<br> 11<br> 0

12345 [234]

Answer:

diameter = two times the radius

the area = πr²

the circumference= 2πr

hope it helps

3 0

3 years ago

Express the ratio in its simplest form 12cm to the 2nd power :3m to the 2nd power​

Express the ratio in its simplest form 12cm to the 2nd power :3m to the 2nd power