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Sergeu [11.5K]
3 years ago
10

Find the term that must be added to the equation x2−10x=1 to make it into a perfect square

Mathematics
1 answer:
adoni [48]3 years ago
6 0

Answer:

25

Step-by-step explanation:

If you add 25 to both sides, you get

x^2-10x+25=26.

Now, you can simplify the left side into a perfect square

(x-5)^2=26

You might be interested in
28 - 6(2x + 4) = 124​
Iteru [2.4K]

Answer: x = -12 is the correct answer

Step-by-step explanation: the moderator that deleted this if is so wrong then just tell me why is wrong if you are so smart.

5 0
3 years ago
Use distributive property to create an equivalent expression to 7x + 56
OverLord2011 [107]
You will have to factor this equation. This means you have to find the lowest number that goes into both 7 and 56 (in other terms, gcf(7, 56)). You will put that as the leading coefficient in this factored term. gcf(7,56) = 7 so 7 will be leading coefficient. It will look somewhat like this 7(a + b) (a and b are just random variables representing what will go inside the parentheses). a and b can be determined by dividing each term in this expression by 7. Hence, 
7x + 56 = 7(x + 8).This can obviously also be proven by the distributive property.
7 0
3 years ago
Read 2 more answers
A box contains four red balls and eight black balls. Two balls are randomly chosen from the box, and are not replaced. Let event
kvasek [131]

black ball   and    red ball

8 out of 12   x     4 out of 11

      \frac{8}{12}            x             \frac{4}{11}

= \frac{8(4)}{12(11)} = \frac{8}{3(11)} = \frac{8}{33} = 0.24  = 24%

Answer: 24%

3 0
3 years ago
Read 2 more answers
Easy 10 points for the day a challenge question will be given out by me every day so here is the first on. -7+7x30+101/2. There
Ksju [112]
The answer is 131/2 that is the answer
7 0
3 years ago
Which of the following is not a way to represent the solution of the inequality 2(x − 1) greater than or equal to −12?
lesya [120]

Let us solve the inequality first


2(x-1)\ge -12


Dividing through by 2 gives


(x-1)\ge -6


Grouping like terms gives

x\ge -6+1

This implies that;

x\ge -5

This corresponds to option A in words

If we rewrite as

-5\le x

it will correspond to option C in words

Representing on diagram corresponds to option D (See attachment)


All are correct ways to represent the solution except B.

The correct answer is option B





5 0
3 years ago
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