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3 years ago

40 points: how do u calculate this and what is sin, cos and what is the formula

Mathematics

1 answer:

dlinn [17]3 years ago

3 0

Answer:

Step-by-step explanation:

sin∅ = opposite side over hypotenuse

cos∅ = adjacent side over hypotenuse

To find x, there are multiple ways:

tan72° = 6/x

x = 6/tan72°

cos72° = x/15

15cos72° = x

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13x + 4 + 10x - 1 = 141

Anna007 [38]

Answer:

x=6

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

fabiana decides to save the money she is earning from her after school job for college. she makes an initial contribution of 300

Oxana [17]

Answer:

A. Total Money Contributed after n months = $\$ 3000 + \$ (500\times n)$

B. Total Money Contributed after 24 months = $\$ \ 15000$

Step-by-step explanation:

Given:

Initial contribution = $\$\ 3000$

each month contribution = $\$\ 500$

After 1 month contributed = $\$\ 3000 + \$\ 500 \times 1= \$ \ 3500$

Solving for Part A

let n be the number of months

∴ Total Contribution after n months = Initial contribution + (each month contribution $\times$ Number of months = $\$\ 3000 + \$\ 500 \times n$

Solving for Part A

Now n= 24 months

∴ Total Contribution after 24 months = $\$\ 3000 + \$\ 500 \times 24 = \$\ 3000 + \$\ 12000= \$\ 15000$

3 0

3 years ago

Could someone help me, please? I’ll appreciate it.

Liono4ka [1.6K]

Answer:

Step-by-step explanation:

5x/20 =45/36

5x = 20(45/36)

5x = 25

x = 5

8 0

2 years ago

Consider the sequence 1, 4, 16, 64, 128, … Which statement describes the sequence? The sequence diverges. The sequence converges

vagabundo [1.1K]

Answer:

The sequence diverges

Step-by-step explanation:

The given sequence is 1, 4, 15, 64, 128, ...

By observation the sequence can be expressed as a sequence of 4 raised to increasing powers of 'x' as follows;

The sequence is 4ˣ, where; x = 0, 1, 2, 3, 4, ..., ∞

Therefore, the values of each subsequent term of the sequent is higher than the term it succeeds, the sequence does not converge to a given limit value and therefore, the sequence diverges.

5 0

3 years ago

7 + (-2) is units from 7, in the direction. 7+(-2) =

faltersainse [42]

I might be wrong.
7+(-2)= -9

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3 years ago