Answer:
4
Step-by-step explanation:
If you have a scientific calculator you can easily plug this into the calculator and get the answer: Below I will show you the steps to get the answer
1. (distribute the - sign to the number 2)
2. (Multiply -2 and -1)) (also subtract 3-1)
3. (Multiple -2 * -2 * -2) ( multiple 2*2)
4.
5. 4
The given quadratic expression; 5b² -6b -2 is prime because the discriminant is not a perfect square.
<h3>
What is the discriminant of the expression?</h3>
According to the task content; it is required to identify if the expression is prime.
On this note, it follows that the discriminant of the expression can be evaluated as follows;
= 36 -(4× 5 × -2)
= 76.
Hence, the expression is prime since 76 is not a perfect square.
Read more on discriminant;
brainly.com/question/2507588
#SPJ1
<span>∠B = 45°
</span><span>∠A = 90°
so
</span>∠C = 45° = ∠B
and
<span>AB = AC = 8
answer
AC = 8 cm</span>
-1 16/25
you can convert -1.64 to a fraction (-1 64/100)
the whole number -1 stays the same
.64 is same as 64/100
simplified (16/25)
final answer (-1 16/25)