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jok3333 [9.3K]
3 years ago
14

A commemorative plaque is the shape of a trapezoid with a height of 8 inches and bases that measure 12 inches and 15 inches. Wha

t is the area of the plaque. (1/2 (b1 + b2) x h )
Mathematics
1 answer:
aleksandrvk [35]3 years ago
4 0
27, hope this helps dude
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KJ=3x+12 And KH=6x-15. What is KG?
Andreyy89

Answer:

39


Step-by-step explanation:

3x + 12 = 6x - 15

6x - 3x = 12 + 15

3x = 27

x = 9


KJ = KH = KG = 3x + 12

KG = 3.(9) + 12

KG = 27 + 12

KG = 39


I hope I helped you.

7 0
3 years ago
Evan and Marshall are having a debate. Evan contends that the pantheon is larger than the pantheon in terms of area. Marshall co
AlekseyPX

Answer:

The area of the Pantheon is 2826. Round the final answer to the nearest square meter. Do not round intermediate calculations. The area of the Parthenon is 2000. Round the final answer to the nearest square meter. Do not round intermediate calculations.

The person who created the answers used 3.141 as pi and since nothing is said as what to use for pi I used 3.14 and that was really frustrating to me.

Thought you guys should know. And I want to also add thank you so much for the time and effort your team and volenters put into Khan I really appreciate it.

Credit- Andy

7 0
3 years ago
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The two cones are congruent. Determine the unknown measures of the cones. A = units B = units C = units D = units
Sophie [7]

Answer:

3.1

4.2

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42

Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.

3 0
2 years ago
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US National forest cover approximately 300,000 square miles. conversationalist want the total square footage of forests to be 30
Sveta_85 [38]
E+10 is equivalent to 10^10 so, 9e+10 is equivalent to 9*10^10. 300,000^2 is 90000000000 square miles, where as the US has 4000000. Therefore, if the national forest were as large as the environmentalist wants them to be, the forest would be larger than the US, which is IMPOSSIBLE !!! As a result, this goal is not reasonable 
7 0
3 years ago
Katy has 100 quarters and dimes. Their total value is $19. How many of each coin does Katy have?
jekas [21]

Answer:

she has D=40,  and Q=60

Step-by-step explanation:

7 0
2 years ago
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