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luda_lava [24]
3 years ago
15

Please help I need it in 5 minutes

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0
I cant see the picture, post it again pls.
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Can you solve this? It is for MATH 111
umka2103 [35]
The equation only is true for objects with negligible air resistance. A feather does not have this property.
Using the equation shown:
50 = -16t^2
t^2 = 50/16 = 3.125
t = sqrt(3.125) = 1.77 seconds
6 0
3 years ago
Helppppp plzz thnaksss <br><br><br> Are these correct??
givi [52]
The first picture is correct, the triangle was dilated by a factor of 1/3 and then shifted 2 units down.

The second picture is also correct, because the dots are higher as they move to the right, it is a positive association and they follow a linear line.
7 0
3 years ago
A water sprinkler has a range of 5 meters as shown. The jet of water from the sprinkler sweeps out at an angle of 85° as the noz
telo118 [61]
I found the image that accompanied this problem.
We need to solve for the area of the sector.

A = n/360 * π * r²
A = 85/360 * 3.14 * 5²
A = 0.2361 * 3.14 * 25
A = 18.5347 

Answer is C. 18.5 square meters.
6 0
4 years ago
Read 2 more answers
4+3x the (x has an exponent of 4)=81
Stells [14]

Answer:

x = 2.25 (Approximately)

Step-by-step explanation:

4 + 3x^4 = 81

4 - 4 + 3x^4 = 81 - 4

3x^4 = 77

(3x^4)/3 = 77/3

x^4 = 25.67 (Approximately)

x = 2.25 (Approximately)

8 0
3 years ago
In this unit, you worked with geometric proofs. A proof is a logical sequence of justified conclusions that lead from a hypothes
tigry1 [53]

An importance of mathematical proofs is that they elucidate on why a conjecture is false (untrue).

<h3>The importance of mathematical proofs.</h3>

Generally, some of the importance of mathematical proofs include the following:

  • They elucidate on why a conjecture is false (untrue).
  • It provides a rational and logical justification for a theory.

In geometry, some of the consequences of the inaccuracy in the conclusion within a proof are:

  • It leads to the misinterpretation of concepts and theories.
  • It produces wrong results.

Outside the world of geometry, there are different kinds of proofs and these include:

  1. The Big Bang theory.
  2. Reflection of light by a plane mirror.
  3. Surface tension in water.

Basically, if there were to be an unjustified conclusion in the proofs above, the study of the properties of matter might not be possible. Also, the end users of various materials are most likely to be affected.

Read more on proofs here: brainly.com/question/26283907

#SPJ1

6 0
2 years ago
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