Answer:
Squaring both the sides, we get a quadratic and solving it, we find that the possible values of x are -7 and -4.
Step-by-step explanation:
The expression can be written as √(x+8) - 6 = x. Take 6 on the other side and square both the sides.
[√(x + 8)]² = (x + 6)²
x + 8 = x² + 12x + 36
x² + 11x + 28 = 0
x² + 7x + 4x + 28 = 0
(x + 7)(x + 4) = 0
x = -7 and x = -4
The possible values of x are -7 and -4.
For more explanation, refer the following link:
brainly.com/question/10572241
#SPJ10
64-128-256
each step double previous number
x is the temperature and y is the number of swimmers. If there are 80 swimmers, then y = 80 instead of x = 80
This is how Corey should have solved
y = 1.505*x - 88.21
80 = 1.505*x - 88.21 <--- replace y with 80
1.505*x - 88.21 = 80
1.505*x = 80 + 88.21 <--- add 88.21 to both sides
1.505*x = 168.21
x = 168.21/1.505 <--- divide both sides by 1.505
x = 111.767
x = 111.8
If there are 80 swimmers at the pool, then the possible outside temperature is roughly 111.8 degrees F. This temperature seems awfully large, so it's possible that Corey's regression equation has limited scope; in other words, it isn't too useful if x is outside a given interval
<h2>
<em><u> </u></em><em><u>IF </u></em><em><u>YOU </u></em><em><u>DONOT</u></em><em><u> </u></em><em><u>WANT </u></em><em><u>TO </u></em><em><u>READ </u></em><em><u>SO </u></em><em><u>MUCH </u></em><em><u>THEN </u></em></h2>
<em><u>PLEASE</u></em><em><u> </u></em><em><u>SEE </u></em><em><u>THE </u></em><em><u>ATTACHMENT</u></em><em><u> </u></em>
Answer: yes.
Step-by-step explanation: i dont really get this one so i just said yes