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valina [46]
2 years ago
14

Plz help due tomorrow

Mathematics
1 answer:
zaharov [31]2 years ago
5 0

Answer:

A is the first step

Step-by-step explanation:

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PLEASE! PLEASE! PLEASE! HELP!!!!! also please dont put silly answers i grinded for these points
Eddi Din [679]

Answer:

m <ADB = <u>90° + ½ r</u>

Step-by-step explanation:

explanation attached. brainliest would be nice.

6 0
2 years ago
Suppose a railroad rail is 3 kilometers and it expands on a hot day by 15 centimeters in length. Approximately how many meters w
earnstyle [38]

Answer:

Answer:  13.4 m

Step-by-step explanation:

For small angles, x, in radians,

tan(x) ≈ sin(x) = x

Use this to create an approximate diagram for the problem as shown in the figure below.

The actual deflected shape is parabolic, but it is approximated by an isosceles triangle with small equal angles.

The extend length is 3 km + 12 cm, which is 

3000 + 0.12 = 3000.12 m

Half of the extended length is 1500.06 m

Let h+  the rise of the center of the rail above ground.

From the Pythagorean theorem, obtain

h² + 1500² = 1500.6²

h² = 1500.06² - 1500² = 180.004

h = 13.4 m, which is about 0.9% of the original length.

Read more on Brainly.com - brainly.com/question/5596356#readmore

6 0
2 years ago
A remote-control airplane is descending at a rate of
Aloiza [94]

Answer:

83 m

Step-by-step explanation:

23.6 x 3.5 = 82.6 ≈ 83 m

4 0
2 years ago
Write the ratio<br> 2/3 /5<br> in simplest form
Ierofanga [76]

Answer:

A) 2/15

Step-by-step explanation:

So just divide it normally, do keep change flip

2/3*1/5

2/3 keep

divison change

Denomeinator, flip it, 5 to 1/5

now multiply

2/15

5 0
3 years ago
Three times the largest of three consecutive even integers is 76 more than the sum of the other two integers what are the intege
DerKrebs [107]
<span>go tot he website of 
</span>
https://www.algebra.com/algebra/homework/Problems-with-consecutive-odd-even-integers/Problems-with-c...

It will help you understand the problem and give you the answer.
7 0
3 years ago
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