What is 2 2/3 - 1 1/3? answer using backslash for example 2/3

Help me with this question I will mark brainlist no web link Solve :- 9n²-64=0

Archy [21]

Factorize

(3n + 8) (3n - 8) = 0
3n + 8 = 0 and 3n - 8 = 0

Solve both for n

3n + 8 = 0
3n = -8
n = -8/3

3n - 8 = 0
3n = 8
n = 8/3

Therefore n = -8/3 and n = 8/3

6 0

2 years ago

Which number represents a square root of 3 (cosine (StartFraction pi Over 2 EndFraction) + I sine (StartFraction pi Over 2 EndFr

wariber [46]

Answer: hello your question is poorly written attached below is the complete question

answer:

$\sqrt{3}(cos(\frac{3\pi }{2}) + isin(\frac{3\pi }{2}))$ --- ( option d )

Step-by-step explanation:

The correct option that represents a square root of 3 as related to the question attached below is :

$\sqrt{3}(cos(\frac{3\pi }{2}) + isin(\frac{3\pi }{2}))$

8 0

3 years ago

What function is shown by the graph below?

Airida [17]

Answer:

The function $f(x)=\sqrt{x+2}$ is shown by the graph below ⇒ 2nd answer

Step-by-step explanation:

To find the right function chose two points from the graph and substitute the x-coordinate of each point in the function to find the y-coordinate, if they are the same with the corresponding y-coordinates of the points, then the function is shown by the graph

From the figure:

The curve passes through points (-2 , 0) and (2 , 2)

∵ $f(x)=\sqrt{x-2}$

∵ x = -2

- Substitute x by -2

∴ $f(-2)=\sqrt{-2-2}$

∴ $f(-2)=\sqrt{-4}$ ⇒ it is impossible no square root for (-) number

∴ $f(x)=\sqrt{x-2}$ is not the function shown by the graph

∵ $f(x)=\sqrt{x+2}$

∵ x = -2

- Substitute x by -2

∴ $f(-2)=\sqrt{-2+2}$

∴ $f(-2)=\sqrt{0}$

∴ f(-2) = 0 ⇒ same as the y-coordinate of x = -2

∵ x = 2

- Substitute x by 2

∴ $f(2)=\sqrt{2+2}$

∴ $f(2)=\sqrt{4}$

∴ f(2) = 2 ⇒ same as the y-coordinate of x = 2

∴ The function $f(x)=\sqrt{x+2}$ is shown by the graph below

7 0

3 years ago

How many pounds of cashew nuts worth 75 cents a pound must be mixed with 10 pounds of pecans worth $1.50 a pound to make a mixtu

Trava [24]

Let c represent the weight of cashews and p the weight of pecans.

Then c + 10 = total weight of the nut mixture.

An equation for the value of the mixture follows:

$1.50(10 lb) + $0.75c = (c+10)($1.00)

Solve this equation for c: 15 + .75c = c + 10. Subtract .75c from both sides:

15 = 1c - 0.75c + 10. Then 5=0.25c, and c = 5/0.25, or 20.

Need 20 lb of cashews.

Check: the pecans weigh 10 lb and are worth $1.50 per lb, so the total value of the pecans is $15. The total value of the cashews is (20 lb)($0.75/lb), or $15. Does (20 lb + 10 lb)($1/lb) = $15 + $15? Yes. So c= 20 lb is correct.

3 0

3 years ago

Daphne borrows $2500 from a financial institution that charges 6% annual interest, compounded monthly, for 2 years. The amount t

Gnom [1K]

1350$ is the right answer to your problem trust me I know this

7 0

2 years ago