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Phoenix [80]
3 years ago
5

Divide 81m in ratio 5:4​

Mathematics
1 answer:
Leona [35]3 years ago
7 0

Answer:

45:36

Step-by-step explanation:

Please correct me if not correct.

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scZoUnD [109]

Answer:

The elevator is descending at a rate of 4 m per minute then stops then continues.

8 0
3 years ago
Stephanie puts 30 cubes in a box. The cubes are inch on each side. The box holds 2 layers
Mnenie [13.5K]

Answer:

11.25\:  {in}^{3}

Step-by-step explanation:

Since, box contains two layers of cubes and each layer has 15 cubes.

So, length = 15*1/2 in = 7.5 in,

width = 3*1/2 in = 1.5 in

height = (1/2 + 1/2) = 1 inch

Volume of box = lbh

= 7.5* 1.5 *1

= 11.25 cubic inches

8 0
3 years ago
David saved $175 each month for the first five months and then saved $225 each month for the next five months.
hichkok12 [17]
Answer: 200
Equation: 175 × 5 + 225 × 5 ÷ 10 = 200
Explanation: to find the average, you add up all the numbers, then divide by how many numbers there are. 
7 0
3 years ago
Read 2 more answers
You look down at an object on the ground. If your eyes are
wolverine [178]

Answer:

We can think of this as a triangle rectangle.

We know that you eyes are 55ft above the ground, this can be one cathetus.

We also know that you see with an angle of depression of 50°, from this angle, our known cathetus would be the opposite cathetus.

Now we want to know how far is the object from you, this would be the hypotenuse of the triangle rectangle.

So we only know one angle and the opposite cathetus to this angle, then we can use the relation:

Sin(θ) = (opposite cathetus)/(hypotenuse)

Then if we use this equation, we will get:

Sin(50°) = 55ft/hypotenuse

hypotenuse = 55ft/sin(50°) = 71.8 ft

This means that the distance between you and the object is 71.8 ft.

3 0
3 years ago
Erica, James, Stella, and Kim all did an experiment involving an electrically charged object. Who did repeated trials of his or
masha68 [24]
The answer is D (Stella)
7 0
3 years ago
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