MATHEMATICS HIGH SCHOOL

-1 1/6 - (-2 1/3) =Please explain how you got the answer! :)

I need the answer quickly!!!

Answers

Answer 1

Answer:

HI Brainiac

-1 1/6 -(-2 1/3)

= -7/6 -(-7/3)

= -7/6 - -7/3

= 7/6

I hope that's help:0

Please ask me any questions you want.

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You are going to have a swimming pool put your back yard this summer. The dimensions of the pool are going to be 15 ft by 30 ft. There is going to be a concrete walkway around the outside of the pool, but they are not sure how wide it will be. The design of the pool, including the walkway, is shown below.
In an isosceles triangle, the longest side measures c units. The other sides of the triangle measure a units. Which equation can be used to determine if the triangle is a right triangle?a squared = c squared2 a squared = c squareda Superscript 4 Baseline = c squared2 a = c

I dont know how to answer it

Answers

y: (0, 275)
x: (125, 0)

A bike ramp has a slope of 1/4. What is the angle the ramps makes with the ground to the nearest degree?

Answers

The slope is equivalent to the rise over run. Since the slope of the bike ramp is ¼, the rise is equivalent to 1 and the run is equivalent to 4. To get the angle of the bike ramp make with the ground, let us use the equation tanθ= rise/run.

Therefore, tanθ= ¼.

Θ=tan-1 (1/4)

So the angle of the bike ramp is Θ= 14degrees

Answer fast plzzzzzzzzz

Answers

Answer: D) 45 ft.

Step-by-step explanation:

You have the measurements for the sides BC and CD, if you divide BC by CD you get the dialation. Which is 2.5. Multiply 18 by 2.5, Congrgulations you have the answer!

salma purchased a prepaid phone card for $20. long distance calls cost 24 cents a minute using this card. salma used her card only once to make a long distance call. if the remaining credit on her card is $13.52. how many minutes did her call last?

Answers

We can set up an equation to solve this problem, but first we need to write out what we know.

$20 overall
$0.24 every minute
$13.52 remaining on the card

Now that we know our information, we can set it up in an equation.

20 - 0.24x = 13.52

The 20 represents $20 overall when she first got the phone card.
We are then subtracting $20 from how must it costs a minute (which is 24 cents). The 'x' indicates the number we are trying to find (how many minutes her call lasted). Lastly, 13.52 is the result of everything, since she has $13.52 remaining on the card.

We can now solve the equation:

20 - 0.24x = 13.52
-0.24x = 13.52 - 20 /// subtract 20 from each side
-0.24x = -6.48 /// simplify
x = 27 /// divide each side by -0.24

Our solution is: x = 27.

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An easier way to solve this problem would be to first, subtract the total amount of money she had on the card when she first got it, and then the remaining total she ended up with.

$20 - $13.52 = $6.48

So, she spent a total of $6.48 on long distance calls, but since we are looking for how many minutes, we need to divide the total she spent and how much it costs per minute.

6.48 ÷ 24 = 27

We receive the same amount of minutes spent just like we did the last way we solved.

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Salma spent 27 minutes on the phone.

I need help!! please help urgently!There is a circular pool in the backyard with an approximate area of 113 square inches. What is the radius?

A. 6 inches
B. 8 inches
C. 12 inches
D. 36 inches