Answer:
A
D
B
Yan sagot ko
Step-by-step explanation:
-_-_-_-_-
11. 4a + 5a +6
=-4(-3) + 5(-3) + 6
=12-15+6
=3 B.
12. 6b+7b-9
=6(6)+7(6)-9
=36+42-9
=69 C.
13. (4a-3b)²
=4(-4)-3(-5)
=(-16+15)²
=(-1)²
=1 C.
14. (3a+b)/4(c+d)
=3(-1+-2)/4(-3+4)
=3(-3)/4(1)
=-9/4 or -2.25
Why I can't get the answer in number 14 :(
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Answers & Comments
Answer:
A
D
B
A
Yan sagot ko
Step-by-step explanation:
-_-_-_-_-
Answer:
11. 4a + 5a +6
=-4(-3) + 5(-3) + 6
=12-15+6
=3 B.
12. 6b+7b-9
=6(6)+7(6)-9
=36+42-9
=69 C.
13. (4a-3b)²
=4(-4)-3(-5)
=(-16+15)²
=(-1)²
=1 C.
14. (3a+b)/4(c+d)
=3(-1+-2)/4(-3+4)
=3(-3)/4(1)
=-9/4 or -2.25
Why I can't get the answer in number 14 :(