MATHEMATICS HIGH SCHOOL

Clarise evaluated this expression.(66.3 – 14.62) ÷ 0.6 – 0.22

(51.68) ÷ 0.6 – 0.22

(51.68) ÷ 0.42

51.68 ÷ 0.16

32.3

Which errors did Clarise make? Check all that apply.
1. She subtracted before evaluating the exponents.
2. She evaluated inside the parentheses first.
3. She divided before she subtracted.
4. She subtracted before she divided.
5. She divided incorrectly.

Answers

Answer 1

Answer:

Answer:

the answer is 2,and 4 and 5

Answer 2

Answer:

Answer:

Step-by-step explanation:

A,D,E

edgeeeeeeeeeeeee

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Which is 216 written as a power of a number?
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b. 36
c. 1082
d. 723

Answers

the answer is A hope this helps.

$6^(3) =6*6*6=216$

The answer is A

sand is falling at the rate 27 cubic feet per minute onto a conical pile whose radius is always equal to its height. how fast is the height of the pile growing when the height is exactly (a) 3 feet (b) 6 feet (c) 9 feet.

Answers

Answer:

Step-by-step explanation:

The formula for the volume of a cone is V = (1/3)(area of base)(height). If the radius is always equal to the height of the cone, then V = (1/3)(πh²)(h), where we have eliminated r. Shortened, this comes out to V = (1/3)(π)(h³).

We want to know how fast h is increasing when h = 3 ft.

Taking the derivative dV/dt, we get dV/dt = (1/3)π(3h²)(dh/dt), or, in simpler terms, dV/dt = πh²(dh/dt). Set this derivative = to 27 ft³/min and set h = 3 ft.

Then 27 ft³/min = π(3 ft)²(dh/dt) and solve for dh/dt: (3/π) ft/min = dh/dt when h = 3 ft.

10 2.5 16 4 ? 7.5 48 12 Which statement explains how to find the number of minutes it takes to bike 7.5 miles? Find the ratio of minutes to miles, 4:1. Divide 7.5 by 4. Find the ratio of minutes to miles, 4:1. Multiply 7.5 by 4. Find the difference between 16 and 10. Add the difference to 16. Find the difference between 16 and 10. Add the difference to 7.5.