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Nataly [62]
3 years ago
13

NEED HELP PLEASE

Mathematics
1 answer:
Bingel [31]3 years ago
4 0
You first have to distribute correctly so it simplifies is 15+3n
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Length of the bases and h is the height, to answer the question. How many square feet of grass
Aleonysh [2.5K]

Answer:

There are 7,725 square feet of grass on the trapezoidal field

Step-by-step explanation:

Here in this question, we are interested in calculating the square feet of grass present on the trapezoidal field.

What this question is actually asking us is to calculate the area of the trapezoid-shaped grass field.

To calculate this area, what we need to do

simply is to use the formula for the area of a trapezoid.

Mathematically, the area of a trapezoid can be calculated using the formula;

Area of trapezoid = 1/2 * (a + b) * h

where a and b refers to the length of the parallel lengths of the trapezoid and h refers to the height of the trapezoid.

From the question;

a, b = 81ft and 125 ft

h = 75 ft

Substituting these values, we have :

Area = 1/2 * (81 + 125) * 75

Area = 1/2 * 206 * 75 = 83 * 75 = 7,725 ft^2

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3 years ago
Find the unit rate:<br> A bus traveled 288 km in 3hrs?<br> Plssss helpppppp
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Answer:

96 km/hr

Step-by-step explanation:

Divide the distance traveled by the time it took to get the rate:

288 / 3 = 96

5 0
3 years ago
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After a special medicine is introduced into a petri dish full of bacteria, the number of bacteria remaining in the dish decrease
Digiron [165]

Answer:

the answer is 5.5

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Identify the percent, amount, and base in this problem:<br><br> What is 20% of 50?
Julli [10]

Convert the percentage into a decimal

50 * .20 = 10

50 - 10 = 40

20% of 50 is 40

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