21 ≤ 3 + 9x please help me solve the inequality
2 answers:
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Answer:
A
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
(x + 4)² + (y - 1)² = 25 ← is in standard form
with centre = (- 4, 1 ) and r = = 5 → A
<u>1) </u>
2) Rectangular shape is square shape patio !
<u>Step-by-step explanation:</u>
Here we have , the area of Bianca’s rectangular backyard patio is represented by the expression x2 – 18x + 81, and the length of the patio is represented by the expression x − 9: We need to find
1. what is the expression for the width of the patio? Explain and show all work.
We know that area of rectangle =
⇒
Factorizing RHS:
⇒
⇒
⇒
⇒
2. what special rectangular shape is the patio?
Now , we see that
A rectangle whose length & width are equal is known as a square ! Hence , Rectangular shape is square shape patio !