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chubhunter [2.5K]
2 years ago
8

50 points!!!

Mathematics
1 answer:
Fynjy0 [20]2 years ago
8 0

Answer:

first I don't know what else please help me too lol.

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Hi again I’ll appreciate it if you help me
BartSMP [9]

Answer:

answer is in the picture with work, just know your formulas and plug the numbers in and you'll be fine

7 0
3 years ago
A class votes for their class President Kennedy receives 21 votes which is 6% of the vote what is the total number of students w
Katarina [22]

Answer:

21

Step-by-step explanation:

literally says it in the text ight

6 0
2 years ago
Read 2 more answers
A tree struck by lightning in a storm breaks and falls over to form a triangle with the ground. The tip of the tree makes a 36°
liraira [26]

Answer: approximately 49 feets

Step-by-step explanation:

The diagram of the tree is shown in the attached photo. The tree fell with its tip forming an angle of 36 degrees with the ground. It forms a right angle triangle,ABC. Angle C is gotten by subtracting the sum of angle A and angle B from 180(sum of angles in a triangle is 180 degrees).

To determine the height of the tree, we will apply trigonometric ratio

Tan # = opposite/ adjacent

Where # = 36 degrees

Opposite = x feets

Adjacent = 25 feets

Tan 36 = x/25

x = 25tan36

x = 25 × 0.7265

x = 18.1625

Height of the tree from the ground to the point where it broke = x = 18.1625 meters.

The entire height of the tree would be the the length of the fallen side of the tree, y + 18.1625m

To get y, we will use Pythagoras theorem

y^2 = 25^2 + 18.1625^2

y^2 = 625 + 329.88

y^2 = 954.88

y = √954.88 = 30.9 meters

Height of the tree before falling was

18.1625+30.9 = 49.0625

The height of the tree was approximately 49 feets

5 0
3 years ago
(50 POINTS) Write out each sum.
valentina_108 [34]

Step-by-step explanation:

12. n^2+2n

if you insert 1 for k and then work up by inserting 2 for k and adding those together and stoping at n.

13. 8-2(2^n)

if you insert 3 for k and then work up by inserting 4 for k and adding those together and keep on going but stopping at n.

Hope that helps :)

4 0
2 years ago
Enter the answer as an exact decimal or simplify
bixtya [17]

Answer:

1/2

Step-by-step explanation:

Write all numerators above the leas common denominator 10

Calculate the sum -2+7=5

5/10

reduce the fraction by dividing both sides by 5

6 0
3 years ago
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