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12345 [234]
3 years ago
7

Find the area of the trapezoid.

Mathematics
1 answer:
deff fn [24]3 years ago
3 0
Area of a trapezoid = height*(top+bottom)/2 
Area of trapezoid = 12.6 * (18.3+28.5)/2 = 294.84 ft^2
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Determine the equation of the line that has a slope of 8 and has a y-intercept of -9
Xelga [282]

Answer:

starting point is -9

y = 8x + -9

Step-by-step explanation:

6 0
3 years ago
Ursula bought 9 dozen rolls of first aid tape for the health office. The rolls were divide equally into 4 boxes.
Vilka [71]
A dozen is equal to 12 so you have to do 12 x 9 = 108.

108 ÷ 4 = 27 so there was 27 rolls in each box.
6 0
3 years ago
Order the following from greatest to least: <br>20, −22, |−45|, |−49|.
Leona [35]

20, -22, -45, and -49

it's easy

7 0
1 year ago
Danielle’s chemistry professor has a complicated grading system. Each lab counts once and each test counts as two labs. At the e
Murrr4er [49]

Answer:

92

Step-by-step explanation:

Lab Scores are 84, 81, and 93

Test Scores are 89 and 94

Each lab counts once and each test counts as two labs. At the end of the semester there is a final lab that counts as three regular labs.

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Let her final lab score =b

Refer to the attached diagram

Total Score=624+3b

For her average =90

\frac{624+3b}{10}=90

Cross multiplying

624+3b =90 X 10

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She must score 92 in her final lab to receive an A.

6 0
3 years ago
One day I found a strange thing happening to my watch,the minute hand &amp; the hour hand were coming together every 65 minutes.
brilliants [131]

Answer:

Step-by-step explanation:

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Here M = 64. The clock gains or losses in a day by

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=16/11(60×3/8)=2/11(60×3)=360/11=32(8/11) minutes.

5 0
3 years ago
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