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Elina [12.6K]
3 years ago
7

I need a lot of help

Mathematics
1 answer:
Alinara [238K]3 years ago
4 0

Answer:

2∛11

Step-by-step explanation:

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What is the distance between the origin and the point (5, 12)? If necessary, round your answer to two decimal places.
NeX [460]
1st 

Make a right triangle with legs 5, 12, and hypotenuse D. D is the distance you need.
Pythagorean Th
25 +144 = D^2 
169 = D^2
D = 13

2. Plug in all the points...
B, D, F work
5 0
3 years ago
Which of the following sequences are geometric?
love history [14]
Let's start by first remembering what a "geometric sequence" is. A geometric sequence is a sequence of numbers that multiply by the same number each time. For example,
2, 4, 8, 16
is a geometric sequence since each number is multiplied by 2 from one to the next, but
2, 4, 6, 8 
is NOT a geometric sequence. We are adding 2 each time, but not multiplying, so it doesn't count. We have to be multiplying to have a geometric sequence.

[A] Let's look at A, are we multiplying by the same thing? 
6*3 = 18
18*3 = 54
54*3 = 162
162*3 = 486
Yes! We are multiplying by 3 each time. This is a geometric sequence!

[B] Are we multiplying by the same thing?
2*3/2 = 3
3*3/2 = 9/2 which is not 5.
NOPE

[C] Are we multiplying by the same thing?
2*5/2 = 5
5*5/2 = 25/2 which is not 8
NOPE

[D] Are we multiplying by the same thing?
-4*1/2 = -2
-2*1/2 = -1
-1*1/2 = -0.5
-0.5*1/2 = -0.25
-0.25*1/2 = -0.125
Yep, we are multiplying by 1/2 each time! This is a geometric sequence!
5 0
3 years ago
Read 2 more answers
Sin theta = -5/13 and cos theta = -12/13 use ratio identity to find cot theta
Virty [35]
This is in the 3rd quadrant, so -12 is the adjacent side of the 5,12,13 triangle.
Cot(theta) = -12/(-13) = 12/13
4 0
3 years ago
14x-5=7+11x i need help with this
leva [86]

Answer:

x=4

Step-by-step explanation:

first lets move it over

3x = 12

x=4

check:

14*4 = 56

-5 =

51

7+ 11x=

11*4 = 44

44+7 = 51

51 = 51

hope this helps :D

3 0
4 years ago
Ramone plans to give a bag of candy to each of the 27 students in his class. Each bag of candy will cost $2.87. Which expression
Elanso [62]
D. $ 3x30

Since $2.87 round to $3 and 27 rounds to 30 you would multiply the cost of each bag ($3) by the amount of people (30) meaning your estimate would be 30x3 which equals $90
8 0
3 years ago
Read 2 more answers
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