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Stells [14]
1 year ago
8

tive property, and wri Use the model to find the missing number in the pai equivalent expressions 15 + 9 = ?(5 + 3) What number

is missing from the expression?
Mathematics
1 answer:
Alex Ar [27]1 year ago
3 0

15 + 9 = ?(5 + 3)

24 = ?(8)

24/8 = ?

? = 3

The missing number = 3

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What is the area of the following circle? use 3.14 for pi and label your answer in units squared or square units.
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Answer:

153. 86 units squared

Step-by-step explanation:

3. 14 x 7^2= 153. 86

4 0
3 years ago
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if two straight lines intersect each other in such a way that one of the angles formed measures 90 degree show that each of the
Hitman42 [59]
I hope this helps in answering your question! If you have any inquiries to the solution, feel free to leave a comment!

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A new bridge structure requires triangles that are in a ratio of 1:1. If AC = 5x − 5 and EC = 3x + 9, find the distance between
Montano1993 [528]

Answer:

C. 60 ft

Step-by-step explanation:

If triangles ABC and EDC are in a 1:1 relation, they are congruent, and  

    AC = EC

5x - 5 = 3x + 9

    5x = 3x + 14

    2x = 14

      x = 7

AC = 5x + 5 = 5(7) - 5 = 35 - 5 = 30 ft

EC = 3x + 9 = 3(7) + 9 = 21 + 9 = 30 ft

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5 0
3 years ago
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Jessica reads a story about a turtle that swam 16 feet in 24 seconds. She assumes that the time, t, that it takes the turtle to
Monica [59]
You would start by figuring out the distance the turtle swims every second by dividing 24 by 16.
24➗16=1.5
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6 0
2 years ago
This question has two parts, First, answer Part A Then, answer Part B
krek1111 [17]
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Final answer x=18

I hope you understand and best wishes!!
4 0
3 years ago
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