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2 years ago

if you remove one red marble from the bag and add one blue marble , what fraction of the marbles are blue?

Mathematics

2 answers:

jekas [21]2 years ago

8 0

Answer:

This depends on how many blue and red marbles there are in total.

Leya [2.2K]2 years ago

4 0

Answer:

D) 2/3

Step-by-step explanation:

If you remove 1 red marble then there is 1 marbles left red.

If you add a blue marble then there is 4 blue marbles.

So it is 4/6 and when you simply it is 2/3.

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3/4k + 3/8k = 1/2 solve for k please

vlabodo [156]

Answer:

K = 4/9

Step-by-step explanation:

4 0

3 years ago

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

4 years ago

Find m< A inscribed angles and arcs

never [62]

Answer: 115 degrees

Step-by-step explanation:

5 0

2 years ago

A girl’s club held a fundraiser last year and raised $600 for the local soup kitchen. This year they raised $960. What is the pe

KatRina [158]

960-600 = $360

360/600 x 100%
6 / 10 x 100%
60%

5 0

3 years ago

Solve for x. 7(x - 3) + 3(4 - x) = -8 Ox= -16/19 Ox= 1/4 Ox= 25/10 Ox=-41/10

Readme [11.4K]

Answer:

I believe it is 1/4

Step-by-step explanation:

8 0

3 years ago