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Orlov [11]
3 years ago
12

Which of the following equations does not apply the Order of Operations correctly?

Mathematics
1 answer:
drek231 [11]3 years ago
4 0

Answer:

A

Step-by-step explanation:

See paper for order of operations

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Which of the following is not a perfect square?<br> A. 50<br> B. 49<br> C. 121<br> D. 1
luda_lava [24]
50 is not a perfect square because it doesn’t have a square root.

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If the cost of a 2.5 meter cloth is $30.5. What will be the cost of 22 meters ?
alisha [4.7K]

Answer:

268.40

Step-by-step explanation:

We can write a ratio to solve

2.5 meters        22 meters

-----------------  = --------------

30.5 dollars       x dollars

Using cross products

2.5 * x = 30.5 * 22

2.5x =671

Divide each side by 2.5

2.5x / 2.5 = 671/2.5

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2 years ago
180° &lt; x &lt; 270°, what is the value of tan-1(0.577)?
Allisa [31]
Think:  "Find <span>tan-1(0.577)" means "Find the ANGLE in Quadrant III whose tangent is 0.577.  Because the angle is in QIII, both the opp side and the adj side are negative.  Here you have four answer choices.  The correct answer MUST be within the interval 180 and 270 degrees.  Only one of the given answer choices satisfies that criterion.  Which one is it?

</span><span>tan-1(0.577) = ?</span>
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How are special right triangles used in finding the area of a regular hexagon?
musickatia [10]

Answer:

To find the area of the hexagon,we will first find the area of each equilateral triangle then multiply it by 6.

6 0
2 years ago
Malcolm took 18 minutes to do 15 math problems. Diedra took 17 minutes to do 16 math problems. Which student did more problems p
boyakko [2]

The student that did more maths problems per minute is Diedra.

In order to determine which student did more maths problems per minute, the rate of each student has to be determined. Rate is the total questions solved divided by the time.

Rate = total questions / total time

Malcolm = 15 / 18 = 0.833 problems per minute

Diedra = 16/ 17 = 0.941 problems per minute

To learn more about rate, please check: brainly.com/question/9834403

3 0
2 years ago
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