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sveta [45]
3 years ago
15

Every day, Katie looks for seashells on the beach. She has 282828 shells in her collection. Katie finds 121212 more shells each

day.
Mathematics
1 answer:
Hoochie [10]3 years ago
8 0

Katie won't have more than  100 shells until the 7th day

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A blimp is 1500 meters high in the air and measures the angles of depression to two stadiums to the west of the blimp. If those
grigory [225]
Let stadium 1 be the one on the left and stadium 2 the one on the right.

Angle above stadium 1 is 72.9° and the angle above stadium 2 is 34.1° using the angle property of alternate angles(because both the ground and the dotted line are parallel).

For the next part we need to use the trigonometric function of tangent.

As tan x = opposite / adjacent,
Tan 72.9°=1500/ adjacent ( the ground from O to stadium 1)

Therefore the adjacent is 1500/tan 72.9°= 461.46 m( to 5 s.f.)

Same for the next angle,
Tan 34.1°=1500/ adjacent ( the ground from O to stadium 2)

Therefore, the adjacent is 1500/tan 34.1° = 2215.49 m (to 5 s.f.)

Thus, the distance between both stadiums is 2215.49-461.46= 1754.03 m

Correcting the answer to whole number gives you 1754 m which is the option C.
4 0
3 years ago
I really need this answer please help ​
evablogger [386]

Answer:

pretty sure D

Step-by-step explanation:

8 0
3 years ago
A bowl contains 3 red, 8 blue, and 7 black beads. Margaret randomly selects 3 beads one after the other without replacement. Fin
r-ruslan [8.4K]
Total number of beads = 3 + 8 + 7 = 18. P(red) = total number of red/total number of beads = 3/18 = 1/6. P(blue) = total number of blue beads/total number of beads left after replacement = 8/17. P(black) = total number of black beads/total number of beads left after replacement = 7/16. Therefore P(red) = 1/6. P(blue) = 8/17. P(black) = 7/16.
7 0
3 years ago
I need help again... :I yeah...
mafiozo [28]

(0,0) , (10,10) , (30,29) , (40, 38) , (50,45) , (60,51) , (70,59) , (80,61) , (90,65) , (100,79) , (110,70) (120,71)

Enter those coordinates into the table.

8 0
3 years ago
Open image to see question
Agata [3.3K]

Answer:

16

Step-by-step explanation:

To start off this problem, we are given that the line AB is equal to the line CD. In addition to that, we are given that the line EF equally intersects line AB and line CD. This provides us proof that angle AGH is equivalent to angle DHG. From this information, we can solve this problem relatively easily.

Lets work with this equation:

80 = 5x

Next, divide 80 by 5.

\frac{80}{5} =x

16 = x

This means that x is equal to 16.

7 0
3 years ago
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