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Evgen [1.6K]
3 years ago
14

Solve equation for 3(2x - 5) - (2x - 5) = 6(4x + 5)​

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
5 0

Answer:

the answer is negative two / x= -2

RUDIKE [14]3 years ago
3 0
<h2>>>Answer </h2>

_________

\:

\rm3(2x - 5) - (2x - 5 ) = 6(4x + 5)

\rm6x - 15 - 2x - 5 = 24x + 30

\rm4x - 20 = 24x + 30

\rm4x - 24x = 30 + 20

\rm - 20x = 50

\rm \: x  = \frac{50}{ - 20}

\rm \: x = \boxed{  - 2 \frac{1}{2} }

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Hi I really need help with this question please,
Mrrafil [7]

Answer:

{ ( \sqrt{30 - x} )}^{2}  =  {x}^{2}  \\ 30 - x =  {x}^{2}  \\  \\  {x}^{2}   +  x - 30 = 0 \\ delta = 1 - 4 \times ( - 30) \times 1 = 121 \\ x1 =  \frac{ - 1 +  \sqrt{121} }{2 \times 1}  =  \frac{ - 1 + 11}{2}  = 5 \\ x2 =  \frac{ - 1  -   \sqrt{121} }{2 \times 1}  =  \frac{ - 1  -  11}{2}  =  - 6 \\

6 0
2 years ago
What does initial value mean?<br><br> (The topic matter is linear functions)
vagabundo [1.1K]
Initial value can mean many things, but what I believe it means in this area is the value that you start with (obviously), so in the equation (y=mx+b), the initial value is the b. It is where the line intercepts the y-axis, and that is your initial value, I believe!
I hope this was helpful and answered your inquiry! If you have any further doubts or questions, please let me know so that I can help you!
5 0
3 years ago
Find the circumference of the circle shown. round to the nearest tenth .
aivan3 [116]

Answer:

The answer is B (110.0 cm).

Step-by-step explanation:

If you multiply the diameter 35 by pi (3.14) you get 109.9.

When you round to the nearest tenth the answer 110.

4 0
3 years ago
Choose the best description for the real number 35
Natalija [7]

Answer:

A) Irrational, because it is not a terminating or repeating decimal.

Step-by-step explanation:

Every time a square root results in a decimal, it will always never end, and never repeat. The square root of 35 qualifies for both of these qualities, therefore, making the answer (A). Hope this helps!

5 0
3 years ago
What are the solutions to the equation (x – 2)(x + 5) = 0?
Ray Of Light [21]

Answer:

(2,-5)

Step-by-step explanation:

8 0
3 years ago
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