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Paha777 [63]
2 years ago
6

Problem 12- finding area

Mathematics
1 answer:
azamat2 years ago
8 0

Answer:To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.

Step-by-step explanation:

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hadley earned $27 for a fundraiser. thea earned $81 for the fundraiser. How much more money did thea earn than Hadley? a. 2.5 b.
Ksenya-84 [330]

To find the difference, subtract Thea's earnings from Hadley's earnings.

81-27=54

Thea earned $54 more than Hadley.

8 0
3 years ago
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A typical tip in a restaurant is​ 15% of the total bill. If the bill is ​$90​, what would the typical tip​ be?
Lana71 [14]

Answer:

$13.50 typical tip

Step-by-step explanation:

So to find the percentage

multiply 0.15*90

You’ll get 13.5

6 0
2 years ago
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Many companies "grade on a bell curve" to compare the performance of their managers and professional workers. This forces the us
GarryVolchara [31]

Answer:

option A

Step-by-step explanation:

given,

10% A grades     80% B grades      10% C grades

This year, managers with scores less than 35 received C's and those with scores above 425 received A's.

The mean has to be middle of two corresponding cutoff value

              \mu = \dfrac{35+425}{2}

                      μ = 230

Cutoff Off C grade corresponds with the area of 0.10 is table A.

corresponding z- score according to Table A

           Z = -1.28

now, standard deviation

    z = \dfrac{x-\mu}{\sigma}

    \sigma= \dfrac{x-\mu}{z}

    \sigma= \dfrac{35-230}{-1.28}

       σ = 152.3

Correct answer is option A

4 0
3 years ago
What is the place value of 6,064,325 and 3,974,381
Andreas93 [3]
Millions. Btw if there's 2 commas and 1 digit before the first comma it's million
4 0
3 years ago
Help please. Only 20 minutes left.
Tcecarenko [31]

Answer:

-5

Step-by-step explanation:

4 0
3 years ago
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