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kolbaska11 [484]
3 years ago
10

Someone plz help me quickkkk

Mathematics
2 answers:
FromTheMoon [43]3 years ago
8 0
It is 80° because 20+60 is 80 also if you look at the whole thing it looks like it is a bit less then 90°
devlian [24]3 years ago
6 0

Answer:

40 because I had the same exact problem and I got an A+

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Please help with this! :)
olchik [2.2K]

Answer:

4 and 3 <------- That's the set I believe!

3 0
3 years ago
Sinxcosxtanx=1-cos^2x
ycow [4]

Step-by-step explanation:

sin  x \: cos  x \: tanx = 1 -  {cos}^{2} x \\ LHS \\= sin  x \: cos  x \: tanx \\  =sin  x \: cos  x \: \times  \frac{sin  x}{cos  x}  \\  = sin  x \: \times  \frac{sin  x}{1} \\  ={sin}^{2}  x \\  = 1 -  {cos}^{2} x \\  = RHS \\  \therefore \: sin  x \: cos  x \: tanx = 1 -  {cos}^{2} x \\ Hence \: Proved.

7 0
3 years ago
- Write a recursive formula to represent the sequence below.<br> (3,7, 11, 15, 19,23,27,31,35, ...)
NemiM [27]

<em><u>The recursive formula to find nth term of sequence is:</u></em>

a_n = 4n - 1 \text{ where } n \geq 1 and n  = 1, 2, 3, ....

<em><u>Solution:</u></em>

Given a sequence is:

3, 7, 11, 15, 19, 23, 27, 31, 35

<em><u>Let us find the difference between terms</u></em>

7 - 3 = 4

11 - 7 = 4

15 - 11 = 4

19 - 15 = 4

23 - 19 = 4

27 - 23 = 4

31 - 27 = 4

35 - 31 = 4

Thus the difference between terms is constant

Thus the given sequence is arithmetic sequence

An arithmetic sequence is a sequence of numbers such that the difference of any two successive members of the sequence is a constant

<em><u>The nth term of arithmetic sequence is given by:</u></em>

a_n =a_1+(n-1)d

a_n = the nᵗʰ term in the sequence

a_1 = the first term in the sequence

d = the common difference between terms

Here in the given sequence

d = 4

a_1=3

Substitute in above formula,

a_n = 3 + (n-1)(4)\\\\a_n = 3 + 4n - 4\\\\a_n = 4n - 1

<em><u>Thus the recursive formula to find nth term of sequence is:</u></em>

a_n = 4n - 1 \text{ where } n \geq 1 and n = 1, 2, 3, ......

8 0
3 years ago
Find the value of x.<br> B<br> А.<br> to<br> 97°<br> 89°<br> С<br> D
EleoNora [17]

Answer:

should be 89 since it's directly across

8 0
3 years ago
Read 2 more answers
What is 6 4/15 divided by 5
NikAS [45]

Answer:

1 19/75

Step-by-step explanation:

Turn 6 4/15 into an improper fraction= 94/15

Dividing a fraction is multiplying it by its reciprocal

94/15*1/5= 94/75

Last turn the improper fraction into a mixed number= 1 19/75

7 0
3 years ago
Read 2 more answers
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