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Alex Ar [27]
3 years ago
9

Fill in the blank.51+7=____+51

Mathematics
2 answers:
Lorico [155]3 years ago
7 0
51+7=7+51
the answer is 7
Irina18 [472]3 years ago
6 0

Answer:

I think the answer is 7

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A building 50 ft high casts a 75-ft shadow. Sarah casts a 6-ft shadow. The triangle formed by the building and its shadow is sim
Rom4ik [11]
Make each known side into a ratio like so...
75/6 
(Because 75 is the shadow casted by the building, and 6 is the shadow casted by sarah)
and 50/x 
(50 is how tall the building is and sarah's height is what needs to be found) 
Therefore, 
75    50
----  -----
 6      x

Do cross products;
50 x 6 = 75 x X
300 = 75x 
Divide by 75 
x = 4ft

8 0
3 years ago
2(x + 1 ) - 3(x + 5) ≥ 0
zaharov [31]

answer is x is less than or equal to -13

hope this helps:-)

3 0
3 years ago
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Answer: it’s A

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3 years ago
Find the area to the nearest square foot of the shaded region below, consisting of a square with a circle cut out of it. Use 3.1
NeTakaya

Answer:

22 square feet

Step-by-step explanation:

Area of shaded region = Area of square - Area of circle. The diameter of the circle is also the length of the side of the square as the circumference of the circle is on the circumference of the square.

Area of circle = 3.14 × r × r

r = 10 ÷ 2

= 5

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= 100

Area of shaded region = Square - Circle

= 100 - 78.5

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I hope this helps :)

7 0
3 years ago
For number 9 and 10 what do I put for the distance between the points?
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Answer:

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