Find the next two terms in this sequence. 1, -3, 9, -27, 81, [ ? ],
1 answer:
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<u>Answer:</u>
x = 5.00 cm
<u>Step-by-step explanation:</u>
• area of the rectangle = x
=
• area of the circle = π r²
= x
= x
∴ +
x
⇒ +
⇒
• Using quadratic formula, where
a =
b =
c = ,
As length (x) cannot be a negative number,
x = 5.00 cm
Answer:
see below
Step-by-step explanation:
Use the distributive property:
(y^2 +3y +7)(8y^2 +y +1)
= y^2(8y^2 +y +1) +3y(8y^2 +y +1) +7(8y^2 +y +1)
= 8y^4 +y^3 +y^2 + 24y^3 +3y^2 +3y + 56y^2 +7y +7
= 8y^4 +y^3(1 +24) +y^2(1 +3 +56) +y(3 +7) +7
= 8y^4 +25y^3 +60y^2 +10y +7 . . . . . matches the last choice
