Can someone explain to me how (1/3)^-2 = 9

Answers

Answer 1

Answer:

(1/3)^-2 = 9

Step-by-step explanation:

The negative power in this equation tells you to flip the fraction and get rid of the negative symbol. This becomes 3^2 which is 9.

Related Questions

Please help me with my question the question is in the photo

Answers

Answer:

6 intersections

Step-by-step explanation:

HALP!!! DON'T MIND MY TABS BTW!! JUST NEED HELP!!! SUPER eAsY!!

Answers

Answer: cv

Step-by-step explanation:

The length of a piece of ribbon is 1 1/2yards. How long is the ribbon in inches?

(1 yard = 36 inches)

(lol I need help on this)

Answers

The length of the piece of rubin on is 54 inches

A backpack is on sale for 30% off. If the sales price is $15.75, what is the original price?

Answers

Answer:

$20.47

Step-by-step explanation:

What is the value of x
53
180
60
90

Answers

Answer:

I got ans 28 but not there in options I am sorry

Answer:

Step-by-step explanation:

x+x+2+72=180

2x=180-74

2x=106....divide both by 2

x=53

At what point do the lines y = x - 8 and y y = - 3x + 16 (4, - 4) (3 ) (0, 16) (2) (11, 3) ( ) (6, - 2)

Answers

Answer:

(6, -2)

Step-by-step explanation:

Correct question

At what point do the lines y = x - 8 and y = - 3x + 16 intersects?

Equating both expressions;

x - 8 = -3x+16

Collect like terms

x+3x = 16+8

4x = 24

x = 24/4

x = 6

Substitute x = 6 into any of the equation

Recall that y = x - 8

y = 6 - 8

y = -2

Hence the point (x, y) where they intersects is at (6, -2)

A pair of pants that cost $75 is on sale for 20% off. What's the new price?

Answers

Answer:

60 dollars

Step-by-step explanation:

Answer:

$60

Step-by-step explanation:

Percentages are out of 100. Move the percentage sign twice in 20% to get 0.20.

Then, multiply 0.20 by 75. This gives you 15.

Lastly, subtract 15 from 75 (75-15), giving you $60 as your new price.

I dont get this I need help to find the answer: 2x + 4 = -6x - 12

Answers

Answer:

x= -2

Step-by-step explanation:

2x + 4 = -6x - 12

(-4 from both sides)

2x=-6x-16

(add 6x to both sides)

8x=-16

divide by 8

x=-2

Okie, let’s do this mate!

1. Bring the variables to one side. But remember the sign of the number would change if the number is brought on the other side of the equal sign.

2x + 6x = -12 - 4

2. Now that you have the equation nice and organized add the variables add the constants (regular numbers) together!

8x = -16

3. You are almost done! Now divide each side by 8 since both of the numbers on either side of the equal sign can be divisible by 8.

x = -2

So your solution to your problem would be x = -2

Hope this helped have an awesome day!

james and elaine share a box of sweet in the ratio2:3 what fraction of sweets does a) james receive b) elaine receive

Answers

Answer:

SEE BELOW FOR ANSWER

Step-by-step explanation:

THE PROBLEM TELLS US JAMES AND THEN ELAINE

SO THE RATIO IS JAMES 2 AND ELAINE 3

-4x + 64 < 242 + 3x
Giving extra points

Answers

Answer:

opppp

Step-by-step explanation:

Answer:

x>-178/7

Step-by-step explanation:

Atalien is 5 feet tall. His shadow is 8 feet long. At the same time of day, a tree's shadow casts a 32 feet long shadow. What is the height of the tree?

Answers

Answer:

The tree will be 20 Ft

Step-by-step explanation:

5:8

?:32

8×4=32

5×4=20

20 is the answer

Answer:

Step-by-step explanation:

This is the correct answer

What is 25% of 80? *

Answers

Answer:

Step-by-step explanation:

the sum of two numbers is 10. Their product is 1 less than 5^2

Answers

Answer:

4 and 6

Step-by-step explanation:

trust me

Answer:

4 and 6

Step-by-step explanation:

6 + 4 = 10

6 x 4 = 24 which is one less than 5 x 5 which is 25

4) Share 40 buttons between Freya and Sophie in the ratio 6:2

Answers

the ratio is chocky stick

Answer:

Freya's share = 6×5=30

Sophie's share = 2×5=10

Step-by-step explanation:

6x+2x= 40

8x= 40

x= 5

Freya's share = 6×5=30

Sophie's share = 2×5=10

Hope this helps you.

sorry for blur but please help

Answers

Answer:

0 => -5

1 => -3

2 => 3

3 => 13

Step-by-step explanation:

No worries! To fill the table, we need to take the x values and insert them for the f(x) value.

The equation we're given is

f(x)=2x²-5

Starting with 0, we have

2(0)²-5

0²-5

0-5

-5

If we repeat for the rest of the values, we get the f(x) values listed above.

Answer: 0= -5 1=-3 2=3 3= 13

To answer this for every Number there is for x you have to plug it in

2(0)^2 -5
2(0)-5
0-5
=-5

2(1)^1-5
2(1x1)-5
2-5
=-3

Hope this helped!!

Line q passes through the points (4, 6) and (0,6). What is the equation for the line which is perpendicular to q and passes through the point (-2,3)?

Answers

9514 1404 393

Answer:

x = -2

Step-by-step explanation:

Line q is the horizontal line y = 6, so the perpendicular line will be vertical. In order for it to go through the point (-2, 3), the equation must be ...

x = -2

I will give brainliest to whoever answers this correctly

Answers

Answer:

A. x=5

B. y=8

C. 16.4

D. w=5

Step-by-step explanation:

I hope this helps

Answer:

A= 150 cm

B= 4 cm

Sorry if its wrong

what is -2x(x+3y)-5y(4x-3)+2xy

Answers

Answer:

[tex]2x^{2}[/tex]-24xy+15y

Step-by-step explanation:

4 is the radius
Find the area of the semicircle.

Answers

Answer:

25.12sq.cm

Step-by-step explanation:

Answer:

6.28

Step-by-step explanation:

Because a=pi times the radius squared divided by 2

a= 3.14 times 2 squared

What is the change in temperature from 15°F to -8°F?
7°F
23°F
-23°F
-7°F

Answers

The answer would be -23F because if we add -23 to 15 it would be -8

Danika picked no more than 40 apples for baking pies. Her recipe for 8 apples to make 1 pie. If p is the number of pies Danika will make, which inequality describes the value of p?

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

A rectangle on a coordinate plane is translated 5 units up and 3 units to the left.which rule describes the translation

Answers

Answer:

Answer choice 3

Step-by-step explanation:

up corresponds to y, and left corresponds to x. Up is positve movement by 5, and left is negative movement of 3

how many solutions douse -5x-8=+8

one solution
no solution
Infinitely Many Solutions

Answers

Answer: One solution

Step-by-step explanation:

Given

-5x-8=8

Add 8 on both sides

-5x-8+8=8+8

-5x=16

Divide -5 on both sides

-5x/-5=16/-5

x=-3.2

Therefore, it has one solution

Hope this helps!! :)

Please let me know if you have any questions

(GIVING BRAINLIEST!!)

The library is 5 miles from the post office. How many yards is the library from the post office?

A) 5 yards
B) 352 yards
C) 8,800 yards
D) 17,600 yards

Answers

Answer: C) 8,800 yards

Hope this helps (:

The current value of a card is 60 times the original price in dollars the baseball card is worth $15 right in solving equations to find the original value of baseball card

Answers

Answer:

i think the answer is 4

Step-by-step explanation:

i'm sorry if it isn't right i'm not the smartest person in the world

Answer:

$0.25

Step-by-step explanation:

If the baseball card is worth 60 times as much as before, and it's worth $15 right now, then:

$15 = 60x

This means that 60 times the original price x is $15.

The original price would be:

$15 = 60x

0.25 = x

x = $0.25

halp please

which number should each side of the equation 2/3 x = 10 be multiplied by to produce the equivalent w
equation of x = 15

○-2/3

○1/3

○3/2

○3

Answers

The answer is 3/2.
Explanation: you want to get x by itself so that you have the equation x = 15. To do that you multiply 2/3x * 3/2 to get x. this works because 3/2 cancels out 2/3 and you get 1. Multiplying 10 by 3/2 also gets you 15. So in the end you have
x = 15.

Help me the picture is above.

Answers

Answer:

10 because I am a bdgjndbk

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?
$3 per pound
$1.25 per pound
o per pound
$2.50 per pound

Answers

the unit rate is $1.25 per pound

What is the slope of the line?

Answers

Answer:

Step-by-step explanation:

slope is 3/1 which is just 3

Which of these systems of equations have no solution? Choose one.

Answers

Answer:

The second one

Step-by-step explanation:

The two lines never intersect.

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