4(2x + 10)=0
8x + 40 = 0
8x = -40
x = -5
Answer:
length ≈ 0.599 feet
Step-by-step explanation:
volume = length³
0.215ft³ = length³
cube root both sides to isolate the length
∛(0.215ft³) = length
length ≈ 0.599 feet
Answer:
(x, y) = (-6, 3)
Step-by-step explanation:
Maybe you want to solve ...
Use the first equation to substitute for y in the second:
2x +3(-2x -9) = -3
2x -6x -27 = -3
-4x = 24 . . . . . . . . . add 27, simplify
x = -6 . . . . . . . . . . . divide by -4
y = -2(-6) -9 = 12 -9 = 3
The solution is (x, y) = (-6, 3).
Answer:
![\angle NRQ =85 \degree](https://tex.z-dn.net/?f=%20%5Cangle%20NRQ%20%3D85%20%5Cdegree)
Given:
![\angle RPQ = 45 \degree \\ \angle PQR = (6x + 4)\degree \\ \angle NRQ = (15x - 5)\degree](https://tex.z-dn.net/?f=%20%20%5Cangle%20RPQ%20%3D%2045%20%5Cdegree%20%5C%5C%20%20%5Cangle%20PQR%20%3D%20%286x%20%2B%204%29%5Cdegree%20%5C%5C%20%20%5Cangle%20NRQ%20%3D%20%2815x%20-%205%29%5Cdegree%20)
Step-by-step explanation:
Property used: <em>An exterior angle of a triangle is equal to the sum of the opposite int</em><em>e</em><em>rior angles.</em>
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