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Serhud [2]
3 years ago
11

How many solutions will the following equation have: x squared -49=0

Mathematics
2 answers:
RSB [31]3 years ago
7 0
Xsquere-49=0
Xsquere=49
X=√49 (squere root of 49 is 7)
i.e  X=7
nevsk [136]3 years ago
3 0
If u use factoring then x can be 7 or -7
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Can someone please explain how to do number 9.
bogdanovich [222]

Answer:

x<15, probably

Step-by-step explanation:

maybe multiply 2 to each side to eliminate the fraction. so 3x+15<60. subtract 15 to isolate the variable term so 3x<45. divide by 3 to isolate x so x<15. check the work. is the inequality true for all values of x less than 15? let's try the first possible integer value, 14, to be sure. 3(14)+15= 57. so 57/2<30. now 57/2 is 28.5 and 28.5<30 so it seems right

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3 years ago
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skad [1K]
Hello,

The answer is "4 ways".

Reason:

You can write it these ways:

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Therefore you can write it 4 different ways....

If you need anymore help feel free to ask me!

Hope this helps!

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5 0
3 years ago
Which statement best describes the decimal equivalent to 5/9?
san4es73 [151]

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