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rodikova [14]
3 years ago
7

Find the unknown value 18 is 50% of

Mathematics
1 answer:
nasty-shy [4]3 years ago
6 0
Question : 18 is 50% of what number?

Answer : 36.

How : well if you multiply 18 times 2 the answer is 36. Since 18 is half of 36, being 50%

-procklown
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Triangles BAD and BDC are right triangles with AB = 12 units, BD = 15 units, and BC = 17 units. What is the area, in square unit
Irina18 [472]

Answer:

The area of the quadrilateral ABCD is 114 square units

Step-by-step explanation:

7 0
2 years ago
oel biked 9 miles east and then 12 miles north. If he biked back to his starting point using the most direct route, how many mil
kvasek [131]

Answer:

36 miles

Step-by-step explanation:

(Imagine a huge triangle on a perfectly open space-- not with streets or houses or cornfields.)

The dimensions of the two sides given are multiples of a classic Pythagorean Triple: 3, 4, 5.    3^{2} + 4^{2} = 5^{2}  

9 is 3x3, 12 is 3x4 so the remaining side would be 3x5  15

Add those 3 sides to get the total distance, 36 miles.

6 0
3 years ago
Please help me solve this !<br> will mark brainliest !<br> (spammers reported)
lions [1.4K]

Answer

-10

Step-by-step explanation:

-8w-7=9

add 7 to both sides

-8w=16

divide by negative 8 on both sides

w=-2

w-8=-10

3 0
2 years ago
Read 2 more answers
I need help lol. please give me an explaination as well ty &lt;3​
Feliz [49]
You need to write it out such as number 8 would be 10x10x10x10 so for every number on top you multiply the number by itself
3 0
2 years ago
30 - -5n + 16 + 3n =
MatroZZZ [7]

Answer:

8n + 46

Step-by-step explanation:

Combine like terms. First, simplify the signs. two negatives directly next to each other equals one positive:

- (-5n) = + 5n

30 + 5n + 16 + 3n = (30 + 16) + (5n + 3n)

(30 + 16) = 46

(5n + 3n) = 8n

8n + 46 is your answer.

7 0
3 years ago
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