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3 years ago

Solve the equation.

Mathematics

2 answers:

Alex17521 [72]3 years ago

8 0

Answer:

=13/3

Step-by-step explanation:

1. Distribute

3+2(4−6)=8+1

3+8−12=8+1

2. Combine like terms

3+8−12=8+1

11−12=8+1

3. Add 12 to both sides of the equation

11−12=8+1

11−12+12=8+1+12

4. Simplify

11=8+13

5. Subtract 8x from both sides of the equation

11=8+13

11−8=8+13−8

6. Simplify

3=13

7. Divide both sides of the equation by the same term

3=13

3x÷3=13÷3

8. Simplify

If you cancel terms that are in both the numerator and denominator you will get:

=13/3

I hope this helps

disa [49]3 years ago

7 0

Answer:

3x + 2(4x − 6) = 8x + 1

3x + (8x-12)=8x+1

-12=19x+1

-11=19x

-11/19 (Im pretty sure i did this right but at the same time im not, im sorry if i got this wrong)

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Is x = -3 a solution to the equation -3X^2=-27

Softa [21]

Yes it is.

-3(-3)^2 = -27

-3(9) = -27

-27 = -27

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Is -22.96 an integer

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Answer:

no it is not an integer

Step-by-step explanation:

nope.

Integers are whole numbers that are not fractions.

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3 years ago

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Two of the sides of a triangle measure 20 inches and 30 inches. Which choice is a possible length of the third side?

Semenov [28]

C. 35 inches it has to be at least 10 but 50 is too much

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3 years ago

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At the movie theater, child admission is $5.50 and adult admission is $8.60. On Saturday, 137 tickets were sold for a total sale

snow_tiger [21]

Answer:

The number of child tickets were sold is 75

Step-by-step explanation:

Given as :

The price of tickets for child admission = $5.50

The price of tickets for adult admission = $8.60

The total numbers of tickets sold = 137

The total price of tickets sold = $986.00

Let The number of tickets for child = C

The number of tickets for adults = A

So, According to question

A + C = 137

And 5.50 A + 8.60 C = 986

Solve the above equation

5.5 A + 5.5 C = 137 × 5.5

or, 5.5 A + 5.5 C = 753.5

Or, ( 5.5 A + 8.6 C) - ( 5.5 A + 5.5 C) = 986 - 753.5

Or, (5.5 A - 5.5 A) + (8.6 C - 5.5 C) = 232.5

Or, 0 + 3.1 C = 232.5

∴ C = $\frac{232.5}{3.1}$ = 75

And A = 137 - C = 137 - 75 = 62

Hence The number of child tickets were sold is 75. Answer

7 0

4 years ago

Plz answer correctly for me<br><br><br> THANK YOU

Marizza181 [45]

Answer:

$\textbf{NO}\\$

Step-by-step explanation:

$\textup{To check if it is a triangle, use \textbf{Pythagoras Theorem}.}\\ \textup{It states that}$$ a^2 + b^2 = c^2 $$ \\\textup{where $a, b$ are the sides and $c$ is the \textup{hypotenuse}.}\\$

$\textup{Now, call $a = 8$, $b = 10$, $c = 16$}\\\textup{Substituting for $a, b $ \& $c$:}\\$ a^2 + b^2 = 8^2 + 10^2 = 164 $\\\textup{But $c^2 = 16^2 = 256$ not equal. So, the given data does not represent a right angle triangle. Instead, it is a \textbf{Scalene Triangle} where all the sides are of different length.}$

8 0

4 years ago