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AnnZ [28]
3 years ago
11

Help. When asked to factor the x^2 -100 a student gives the answer (x-10)(x-10) what is wrong with the answer

Mathematics
2 answers:
nlexa [21]3 years ago
5 0
It should be (x+10) (x-10) so the answer is c
aksik [14]3 years ago
4 0

Answer:

one of the minus signs should be a plus sign

Step-by-step explanation:

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Is f = 3 a solution to the inequality below?
Nataliya [291]

Answer: Yes

Step-by-step explanation:

f=3

11+3= 14

23 > 14

es correcto decir que 23 es mas grande que 11+f

3 0
3 years ago
Please help! A clear explanation on how to simplify the exponents and a detailed step by step solution is greatly appreciated.
Amanda [17]

Answer:

0.125 or 1/8

Step-by-step explanation:

2^3 +2^-3= (2*2*2) + (1/(2*2*2))= 8 + 1/8= 8 + 0.125= 8.125

4^3 +1= (4*4*4) + 1= 64 + 1= 65

8.125/65= 0.125 or 1/8

8 0
3 years ago
Juan put three square tiles with sides 8 centimeters, 10 centimeters, and x centimeters together so that they form a right trian
Elan Coil [88]
Since the area of a square is equal to the square of one of its side's length, then the area should be equivalent to x^{2}.
A = x^{2} ---> equation (1)
By using pythagoras rule which states that the x^{2} = hyp^2 - opposite^2---> equation (2)
where the opposite side's length is 8 and the hypotenuse side's length is 10
by substituting by the values in equation (2) therefore,
x^{2} = 10^{2} - 8^{2} substitute this value in equation (1) then
A = x^{2} = 10^{2} -8^{2}
where A is the area of the square whose side is x
6 0
3 years ago
Read 2 more answers
Solve for n.<br><br> 2n-3/5 = 5.
dangina [55]

\dfrac{2n-3}{5}=5\\\\&#10;2n-3=25\\\\&#10;2n=28\\\\&#10;n=14

7 0
3 years ago
How many pairs of numbers have a difference of 12
makvit [3.9K]
An infinite set of numbers have this characteristic.  Some examples:
0, 12
1, 13
2, 14
2.5, 14.5
Pick any number, add 12 to it, and the numbers you started with and ended with are your pair of numbers.

Hope this helps!
5 0
4 years ago
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