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hichkok12 [17]
3 years ago
10

Please help quickly 15 POINTS

Mathematics
2 answers:
DedPeter [7]3 years ago
5 0
37.88888888 and it just keep repearing so there is no right answer dont foeget to mark me as the best answer
Stolb23 [73]3 years ago
3 0

Answer:

5/24 is your answer

Step-by-step explanation:

3/8 + (-1/6)

first, you must know that when adding a positive to a negative, you change the addition sign to a subtraction sign, that will get rid of that negative and now you will have this equation:

3/8 - 1/6

this is because you can't add a negative to a positive


now, find the common denominator, in this case, it is 24

now, 24/8 = 3, so multiply the numerator and denominator by three, you should get :

9/24

now, 24/6 = 4

4 multiplied by the numerator and denominator = 4/24

now subtract:

9/24 - 4/24 = <u><em>5/24</em></u>

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Answer:

x = 47

Step-by-step explanation:

Every triangle's interior angles add up to 180°.

Let's make an equation.

x + 102 + 31 = 180

x + 133         = 180

x                   = 47

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3 years ago
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Drupady [299]

Answer:

exact form: x= 11/2

Decimal Form

X= 5.5

Mixed form

X= 5 1/2

Step-by-step explanation:

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3 years ago
when coloring in a grid to show a fraction, what does 3/10 look like when the grid represents a whole
Katarina [22]

Answer:

3 of 10 grid squares making up the whole will be colored.

Step-by-step explanation:

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_____

If the whole is divided into more than 10 parts, 3/10 will be 3 out of every 10. So if there are 20 parts, for example (2 tens), the 3/10 will be 6 of those parts (3 of each of the two tens).

5 0
3 years ago
Can somebody solve this system equation using addition please?
givi [52]

-4x - 5y = 7

3x + 5y = -14

You can add these two equations together straightaway since the y-terms have opposite coefficients.

-4x - 5y = 7

3x + 5y = -14

+___________

-x - 0 = -7

-x = -7

x = 7

Substitute 7 for x into either of the original equations and solve algebraically to find y.

3x + 5y = -14

3(7) + 5y = -14

21 + 5y = -14

21 = -14 - 5y

35 = -5y

-7 = y

Finally, check work by substituting both x- and y-values into both original equations.

-4x - 5y = 7

-4(7) - 5(-7) = 7

-28 + 35 = 7

7 = 7

3x + 5y = -14

3(7) + 5(-7) = -14

21 - 35 = -14

-14 = -14

Answer:

x = 7 and y = -7; (7, -7).

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3 years ago
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hichkok12 [17]

Answer:

\Large \boxed{\mathrm{All \ real \ numbers}}

Step-by-step explanation:

y=x^2

The domain are the set of all possible values for x.

There are no restrictions on the value of x.

The domain is all real numbers.

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