3 years ago

Brian’s backyard is in the shape of a square. If the yard is 21 feet long, how much land does Brian’s backyard cover?

Mathematics

1 answer:

babymother [125]3 years ago

6 0

Answer: 21 feet long

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Trapezoid ABCD has an area of 525 cm squared. If height AB = 21 cm and BC = 37 cm, what is the measure of AD?

Annette [7]

Answer:

AD = 13

Step-by-step explanation:

Area of trapezoid ABCD

$= \frac{1}{2} (AB + AD) \times AB \\ \\ 525= \frac{1}{2} (37+ AD) \times21\\ \\ 525 \times 2= (37+ AD) \times21 \\ \\ 1050 = 21 \times 37 + 21AD \\ \\ 1050 = 777+ 21AD \\ \\ 21AD = 1050 - 777 \\ \\ 21AD = 273 \\ \\ AD = \frac{273}{21} \\ \\ AD = 13$

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Express 11/15 as a percent.

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The constant of proportionality represents the unit cost .You use the equation y = 8.5 x to calculate the total cost y in dollars for x in what ever you are buying

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2 years ago

1. A. 3.75 B. 1.5 C. 3 D. 4.5 2. A. 30 B. 16 C. 8 D. 15

Gnom [1K]

b: 3.75 since it is half of the segment that measures 7.5, this is proven because the line in the middle is a bisector of the top and bottom line indication that both half measure the same; 3.75

2) 15 not sure why

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3 years ago

Addison made 11 quarts of punch for her party. How many gallons of punch did she make? THANK YOU ;)

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