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frozen [14]
3 years ago
9

PLZ HELP  ME

Mathematics
1 answer:
Basile [38]3 years ago
4 0
To find equivalent fractions, multiply both sides of the fraction by the same number.
3*7=21. 5*7=35.

2*5=10. 7*5=35.

So the answer is A.

:) 
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1.04p=234

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Find the estimates of x^2-x-2=3
Julli [10]

Answer:

x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79

Step-by-step explanation:

Given

Quadratic equation is

x^2-x-2=3\\x^2-x-5=0

Roots of the quadratic equation ax^2+bx+c=0 are

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\

So, for the given equation roots are

x=\frac{1\pm\sqrt{(-1)^2-4(1)(-5)}}{2\cdot 1}\\x=\frac{1\pm\sqrt{21}}{2}\\so, x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79

5 0
3 years ago
Whats the value of Z? Please halp
d1i1m1o1n [39]
The value of Z, can vary based on the mathematical equation u were given, for example if Z= 5 then 5= Z
8 0
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What number between one and 20 has exactly 5 factors
Semmy [17]
Interesting factoid: Only perfect squares have an odd number of factors. So we know to try 4, 9, and 16, and ignore the rest. It's 16, whose factors are 1, 2, 4, 8, and. 16 .
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Read 2 more answers
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