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Diano4ka-milaya [45]
3 years ago
11

X^{2} -25=0 Please help meeee

Mathematics
2 answers:
-BARSIC- [3]3 years ago
8 0

Answer:

x=5,x=-5

Step-by-step explanation:

x^2-25=0

Add 25 to both sides:

x^2-25+25=0+25

x^2=25

Square root both sides:

x=\sqrt{25},\:x=-\sqrt{25} (Since a negative number multiplied by itself gives positive, there are two answers.)

x=5,x=-5

tekilochka [14]3 years ago
6 0

Hey there!

<h3>ANSWER: x=5\\x=25</h3><h2>EXPLANATION:</h2>

x^2-25=0

The first step we have to do is to add 25 to both sides of the equation.

x^2-25+25=0+25\\\text {equals }x^2=25

In our last and final step, we will have to take the square root.

x= ±\sqrt{25}

We have two answers.

x=5(ANSWER)\\x=-5(ANSWER)

Hope this helps!

\text {-TestedHyperr}

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3 years ago
Which point is on the line y = -2x + 3?<br><br> (-2, -1)<br> (3, 3)<br> (3, -3)<br> (-3, -9)
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3 years ago
One number is 5 more than the other. Their sum is 33. Find the numbers.
dimaraw [331]

Answer:

19,14

Step-by-step explanation:

x=5+y

x+ y= 33

we will solve using substitution

(5+y) +y= 33

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subtract 5 from both sides

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y=14

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for this, we will substitute y's value (14) into the first equation

x=5+(14)

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3 0
2 years ago
A local restaurant offers a deal if you purchase 3 medium pizzas you get 2 side dishes for free if you get a total of 8 side dis
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Veggies = 8.3%

EXPLANATION :

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