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Tomtit [17]
3 years ago
5

Need the awnser for 3

Mathematics
1 answer:
Sidana [21]3 years ago
5 0

Answer:

here u go

Step-by-step explanation:

< DBC (angle DBC)

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4 hours is equal to one ____ of the Earth? ILL MARK PLZZZZZZZZ
sertanlavr [38]

Answer:

the earth spins 1,600 km per hour so times 4 is 6,400 and convert that to a fraction i'm not sure if this is right

Step-by-step explanation:

5 0
3 years ago
Can someone please!!! Help me
timurjin [86]
The answer to this question is true
7 0
3 years ago
Tyler is building a fish tank in the shape of a sphere that has a diameter of 14 inches. Based on Tyler's research, it is recomm
Charra [1.4K]

Answer:

Tyler should buy 2 goldfishes for his fish tank,

Step-by-step explanation:

First let's find the volume of the sphere, using the following equation:

Volume = (4/3) * \pi * radius^3

The radius is half the diameter, so the radius is 14/2 = 7 inches

Now, finding the volume, we have:

Volume = (4/3) * \pi * 7^3

Volume = 1436.75\ in^3

Now, we know that we need to have 1 goldfish for every 693 in3 of water, so to find the number of goldfishes, we just need to divide the volume of the sphere by 693 (and round down the result if needed):

Number\ of\ goldfishes = 1436.75 / 693 = 2.07 = 2\ goldfishes

Tyler should buy 2 goldfishes for his fish tank,

3 0
3 years ago
Read 2 more answers
Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2
ivanzaharov [21]

Answer:

اhello : tan θ = - 12/5

Step-by-step explanation:

tan θ = sin θ / cos θ .... (*)

(cosθ)² + (sinθ)² = 1   ... (**)

theta is in quadrant 2 : cosθ ≤ 0

Substitute sinθ = 12/13  into (**) and solve for cosθ :

(cosθ)² + (12/13)² = 1  

(cosθ)²  = 1   - 144/169

(cosθ)²  = 25/169

cosθ = - 5 /13  because  cosθ ≤ 0

by (*) : tan θ = (12/13)/ (-5/13) = (12/13) ×(-13/5)

tan θ = - 12/5

3 0
3 years ago
What type of triangle is shown in the figure?
Ivan
Exacty two sides are congruent so its an Isosceles triangle
5 0
3 years ago
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