<u>Answer</u>
√7 × √5
√3 × √2
<u>Explanation</u>
√9*√16 = 3 × 4
= 12
= 12/1 ⇒ It is a rational answer.
√7*√5 = √(7×5)
= √35
= 5.916079783.... ⇒ Irrational
√3*√2 = √(3×2)
= √6
= 2.449489743... ⇒ Irrational
4√2*√2 = 4 × √(2×2)
= 4 × √4
= 4 × 2
= 8
= 8/1 ⇒ It is rational
The expressions that would give irrational answers are: √7*√5 and√3*√2
Answer:
I think its......false (I tried)
Step-by-step explanation:
Answer:
(344*20) + ( 2*20) = (20*2) = ?
Step-by-step explanation:
Answer: 1.79
Step-by-step explanation: x2−6x−14=0
For this equation: a=1, b=-6, c=-14
1x2+−6x+−14=0
Step 1: Use quadratic formula with a=1, b=-6, c=-14.
x=
−b±√b2−4ac
2a
x=
−(−6)±√(−6)2−4(1)(−14)
2(1)
x=
6±√92
2
x=3+√23 or x=3−√23
Answer:
x=3+√23 or x=3−√23= 1.79
Answer:
Step-by-step explanation:
Given
--- acceleration
--- final velocity
--- initial velocity (it is 0, because the car starts from rest)
Required
Determine the time taken
This will be solved using Newton's first equation of motion:
Substitute values for v, u and a
Make t the subject
<em>Hence, the time taken is approximately 5.2 seconds</em>
