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Ne4ueva [31]
2 years ago
7

What is the 15th term of the sequence 20, 16, 12, 8, 4, ...?

Mathematics
1 answer:
Leviafan [203]2 years ago
8 0

Answer:

C -36

Step-by-step explanation:

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What is the answer to this equation? 5/4 + 4m/9 = 65/36
____ [38]

M=1.25 should be your answer!


7 0
2 years ago
PLEASE HEL MUST BE DONE URGENTLY
LekaFEV [45]
Y = x + 2 is closest to what I believe is the solution.

If the club begins with 2 members, then +2  MUST appear in the formula.

If the club adds 2 members every week, then the total number of members would be

f(x) = y = 2 + 2(x-1), where x is the number of weeks.

Test this:  If x = 1, then y = 2+2(1-1) = 2 + 0  = 2.  This is correct.  The club began with 2 members in week 1

8 0
3 years ago
Read 2 more answers
In triangle abc angle a = 40◦, side b = 11 and side c = 5. use the cosine rule to find the length of side a, to two decimal plac
Sonbull [250]
A^2 = b^2 + c^2 - 2bc cos a

    = 11^2 + 5^2 - 2*5*11 cos 40

   =  7.86 to 2 DP's

to find the remaining angles use the sine rule:-
a / sin A = b / sin B so

7.857/ sin 40 =  11 / sin B
sin B = 11 sin40 / 7.857 = 0.8999

<B = 64 degrees 

so <C = 180 - 64-40  =  76 degrees
5 0
3 years ago
I need help pls answer All 4 of the questions
Alja [10]

Answer:

Step-by-step explanation:

1: 7/6

2: 3/2

3: 0.000288

4: six tenths

4 0
2 years ago
Read 2 more answers
Declan draws triangle WXY. He then constructs a perpendicular bisector from vertex W that intersects side XY at point Z. What ca
Ganezh [65]

Answer:

YZ = XZ

Step-by-step explanation:

Perpendicular Bisector:

A perpendicular bisector of a line segment 'l' is a line that is perpendicular to the line segment 'l' and cuts the line segment 'l' into two equal parts.

Given:

1. A triangle WXY.

2. A perpendicular bisector from vertex W that intersects XY at point Z.

Conclusion based on the drawing:

a. Z is the midpoint of the line segment XY because point Z lies on the perpendicular bisector of XY.

b. Hence, XZ = YZ.

5 0
3 years ago
Read 2 more answers
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