Answer:
D; 1019 square feet
Step-by-step explanation:
10 x 13 x 8 = 1040 square feet
3 x 7 = 21 square feet
1040 - 21 = 1019 square feet (:
Answer:
64
Step-by-step explanation:
(2x + 3y)^2 = 4
xy = -5
4x^2 + 9y^2
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(2x + 3y)^2 = 4 [Start here]
4x^2 +12xy + 9y^2 = 4 [Expand]
4x^2 +12(-5) + 9y^2 = 4 [Substitute xy = -5]
4x^2 -60 + 9y^2 = 4
4x^2 + 9y^2 = 4 + 60 [Rearrange]
4x^2 + 9y^2 = 64 [64 is the value of 4x^2 + 9y^2]
2) C
3) B
4) C
6) I'm pretty sure its D but it could be C
Answer:
f(x) is x multipled by f
Step-by-step explanation:
pls brianlist