Answer:
128 chocolate cupcakes
Step-by-step explanation:
68% of 400 is 272
400-272=128
Answer:
15
Step-by-step explanation:
the square root of 225 is 15 there are steps
Answer:
(1) 9
(2) 
(3) 6()
Step-by-step explanation:
From the question,
(1) (
)²
Applyin the law of multiplication of surds
()² = (
(2) (
)× (
) =
Also applying the the law of multiplication of surd
(
)×() = () ( This is an irational answer)
∴ ()×() =
(3) 2()×3()
Also applying the law of multiplication of surds i.e Multiply surds to surds and whole number to whole number
= 2×3×()×()
6×() = 6(
Answer:
Luis’s, because he flipped the inequality sign when he subtracted
Step-by-step explanation:
7.2b + 6.5 > 4.8b – 8.1.
Amelia started by subtracting 7.2b from both sides to get
6.5 > –2.4b – 8.1
Correct
Luis started by subtracting 4.8b from both sides to get
2.4b + 6.5 < – 8.1
Incorrect
Shauna started by subtracting 6.5 from both sides to get
7.2b > 4.8b – 14.6
Correct
Clarence started by adding 8.1 to both sides to get
7.2b + 14.6 > 4.8b
Correct
Luis’s is incorrect because he flipped the inequality sign when he subtracted
