Plssss help i need a good grade
2 answers:
Answer:
D.
Step-by-step explanation:
- so first we'll write the exponential form which is: 3²ˣ⁻¹⁶=3⁴ˣ⁻¹²
- since we got the same bases the exponents can now be written as equals: 2x-16=4x-12
- Switch the numbers around to get the x's on one side and the numbers on the other side: 2x-4x=-12+16
- Add/subtract the values: -2x=4
- divide by -2 to get x by itself: -
= 
- that should leave you with option D: x=-2
Answer:
Its either 2 or -2
Step-by-step explanation:
Im sorry, im not entirely sure which one but im pretty sure its a negative (i get confused sometimes)
Just go with one of those two answers ( C or D)
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Step-by-step explanation:
x4x
=x4*x1
=(x*x*x*x)*(x)
=x*x*x*x*x
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Answer:
$0.45
Step-by-step explanation:
1 tin of beans-> $1.55÷3=$0.31
3 tins of beans-> $0.31×3=$0.93
4 tins of tomatoes-> $2.73-$0.93=$1.80
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Answer:
Step-by-step explanation:
28 kg + 750 g = 28*1000 + 750
28000 + 750
= 28750 g
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= 28750 ÷ 500
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Answer:
r = 8°
Step-by-step explanation:
95° = 6r° + 47° ( vertically opposite angles are equal)
6r° = 95° - 47°
6r = 48°
r = 48°/6
r = 8°
Answer:
3:2
Step-by-step explanation
18:12, divide both by 6, 18/6=3, 12/6=2, ratio simplified is 3:2
