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3 years ago

I need help evaluating this problem

Mathematics

2 answers:

murzikaleks [220]3 years ago

8 0

Your answer should be 16/9

Reil [10]3 years ago

3 0

$\bf \left( \cfrac{64}{27} \right)^{\frac{2}{3}}\implies \left( \cfrac{4^3}{3^3} \right)^{\frac{2}{3}}\implies \left( \cfrac{4^{3\cdot \frac{2}{3}}}{3^{3\cdot \frac{2}{3}}} \right)\implies \cfrac{4^2}{3^2}\implies \cfrac{16}{9}$

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Solve - 2/5x is less than or equal to 20

sashaice [31]

Answer:

x is less than or equal to 0

Step-by-step explanation:

- you need to multiply both sides of the inequality by 5/2

- then you reduce the numbers with the greatest common factor 5

- then you reduce the numbers with the greatest common factor 2

- any expression multiplied by 0 equals 0

- so you get x is less than or equal to 0

^^^ hope this helps! :)

8 0

3 years ago

Find an equation of the line that passes through (-5,-7) and is parallel to 5x+9y+18=0. Give answer in slope intercept form

Kipish [7]

Answer:

y = - $\frac{5}{9}$ x - $\frac{88}{9}$

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 5x + 9y + 18 = 0 into slope- intercept form

Subtract 5x + 18 from both sides

9y = - 5x - 18 ( divide all terms by 9 )

y = - $\frac{5}{9}$ x - 2 ← in slope- intercept form

with m = - $\frac{5}{9}$

Parallel lines have equal slopes, thus

y = - $\frac{5}{9}$ x + c ← is the partial equation

To find c substitute (- 5, - 7) into the partial equation

- 7 = $\frac{25}{9}$ + c ⇒ c = - 7 - $\frac{25}{9}$ = - $\frac{88}{9}$

y = - $\frac{5}{9}$ x - $\frac{88}{9}$ ← equation of line

5 0

3 years ago

I need help finding slope for m

Nataly [62]

-4 + 6/-1 + 3 = 2/2

The slope is 1.

7 0

3 years ago

Read 2 more answers

Jude Enjoys Eating Potato Chips. He likes to place 3 chips together in a stack to make interesting flavours. If he only has one

frez [133]

Using the combination formula, it is found that he can make 4 different stacks.

The order in which the balls are selected is not important, as stated in the problem. hence the <em>combination formula</em> is used to solve this question. If the order was important, then the permutation formula would be used.

<h3>What is the combination formula?</h3>

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by: