Select all irrational numbers. √9 √12 √16 √20 √25

2 answers:

8 0

I hope this helps you

square root of 9=3 rational number

square root of 16=4 rational number

square root of 25=5 rational number

square root of 12=2 square root of 3 irrational

square root of 20=2 square root of 5 irrational

exis [7]3 years ago

4 0

All irrational numbers are 12 and 20 (they don't make perfect squares). Hoped this help!

You might be interested in

Which sentence describes a benefit that short-term disability insurance offers a policyholder? A. It provides 30% to 40% of the

faltersainse [42]

Answer:

D. It provides 40% to 60% of the policyholder's income for up to one year.

Step-by-step explanation:

Insurance is a risk sharing device where the risk is shared between the policyholder and the insurance company through regular periodic payment called premium. What Short term disability insurance does is to make do with the income of a person that has to leave his/her place of work as a result of sickness or injury. It provides financial assistance while the individual convalesces at home. The employee are liable to receive 40 to 60 % of their gross weekly income pending on the premium paid. This coverage period is 9 to 52 weeks, (i.e 2.25 to 12 months).

5 0

3 years ago

Solve x2 + 8x − 3 = 0 using the completing-the-square method.

lisabon 2012 [21]

$(a+b)^2=a^2+2ab+b^2\\------------------\\\\x^2+8x-3=0\ \ \ |add\ 3\ to\ both\ sides\\\\x^2+2x\cdot4=3\ \ \ |add\ 4^2\ to\ both\ sides\\\\x^2+2x\cdot4+4^2=3+4^2\\\\(x+4)^2=3+16\\\\(x+4)^2=19\iff x+4=-\sqrt{19}\ or\ x+4=\sqrt{19}\\|subtract\ 4\ from\ both\ sides\\\\\boxed{x=-4-\sqrt{19}\ or\ x=-4+\sqrt{19}}$