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astra-53 [7]
2 years ago
13

Solve for x: 8x = 2/3solve for x: 1/4x =5​two questions

Mathematics
1 answer:
mihalych1998 [28]2 years ago
4 0

Answer: x=5

x= 2

Step-by-step explanation:

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In a triangle the length of two sides are 1.9m and 0.7m. What is the length of the third side, if you know that it should be a w
monitta

Answer:

their sum: 2.8m

their difference: 1.2m

the third side's length should be smaller than their sum, larger than their difference

it could be: 1.3-1.4-1.5-1.6-1.7-1.8-1.9-2-2.1-2.2-2.3-2.4-2.5-2.6-2.7 but since it has to be a whole number, 2m is the only eligible answer.

6 0
3 years ago
What is the justification for each step in the solution of the equation?
Alexandra [31]

For this case we have the following equation:

\frac{2}{3}x-\frac{1}{3}= 2 (x + 2)\\

If we multiply both sides of the equation by 3 we get:

2x-1 = 6 (x + 2) ---> Multiplication Property of Equality

Applying the distributive property we have:

2x-1 = 6x + 12 ---> Distributive Property

Adding 1 on both sides of equality we have:

2x-1 + 1 = 6x + 12 + 1\\

2x = 6x + 13 ---> Addition Property of Equality

Subtracting 6x on both sides we have:

-6x + 2x = 6x-6x + 13\\

-4x = 13 ---> Subtraction Property of Equality

Finally, dividing by -4 on both sides we have:

\frac{-4x}{-4}= \frac{13}{-4}\\

x = -\frac{13}{4}---> Division Property of Equality


5 0
3 years ago
Read 2 more answers
What is 10/25 simplified
Natalija [7]
\frac{10}{25}= \frac{10\div5}{25\div5}=\boxed { \frac{2}{5} }
5 0
2 years ago
Read 2 more answers
HELP me.a man weighs 5/6 of his weight plus 30 pounds.what is his weight.
san4es73 [151]
X=the weight of this man
We can suggest this equation:
5x/6+30=x
least common multiple=6
5x+180=6x
5x-6x=-180
-x=-180
x=180

Answer; his weight is 180 pounds.
8 0
2 years ago
6 times a number is 27 less then the square of that number find the positive soloution
ella [17]

Answer:

9

Step-by-step explanation:

n2-27=6n

Than n (exponet) 2 - 27 - 6n = 0

Now factor (n-9)(n+3)=0

5 0
2 years ago
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