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Simora [160]
3 years ago
14

GIVING BRAINLIEST NO LINKS

Mathematics
2 answers:
Lemur [1.5K]3 years ago
8 0

Answer:

The answer is 27.5 I think-

STatiana [176]3 years ago
3 0

Answer:

c)20

Step-by-step explanation:

You might be interested in
Simplify. √-64 A) -8 B) 8i C) -8i D) 32i
Vedmedyk [2.9K]

Answer:

C

Step-by-step explanation:

8i

√-64 = i√64 = 8i

6 0
3 years ago
Make a conjecture about the sum of the first 15 positive even number
erica [24]
I conclude that the sum will be even because any even number can be represented by 2n where n is a whole number
and even numbers are 2 apart, so
the sum of the first 15 are
2n+2(n+1)+2(n+2) etc until we get to 2(n+14)
we can undistribute the 2 from all of them and get
2(n+n+1+n+2...n+14)
and we are sure that whatever is in the parenthasees is a whole number because whole+whole=whole
therefor, the sum is even

if you did want to find the sum then
an=2n
the 15th even number is 30
the first is 2
S15=15(2+30)/2=15(32)/2=15(16)=240
which is even
6 0
3 years ago
If 1+1=2 then whats 2+2
hammer [34]

Step-by-step explanation:

4

.......

hope it helps!

3 0
3 years ago
Read 2 more answers
Fine area in triangle.​
choli [55]
Answer:Area of triangle is 18cm2
There is a dotted line to show us how to do,we know the dotted means we don’t actually work that part out.
1. The bottom added together = 11,now : (11x6) ÷ 2 = 33cm2.
2.The part where there is a dotted triangle: (6x5) ÷ 2 = 15cm2.
3. 33 - 15 = 18.



3 0
2 years ago
Convert 0.7135° to minutes and seconds. Round to the nearest second.
jarptica [38.1K]
0° 42' 48.6". 
Conversion: 
d = int(.7135°) = 0°m = int((.7135° - 0°) × 60) = 42's = (.7135° - 0° - 42'/60) × 3600 = 48.6".7135°= 0° 42' 48.6"
How to convert decimal degrees to degrees,minutes,seconds

One degree (°) is equal to 60 minutes (') and equal to 3600 seconds ("):

1° = 60' = 3600"

The integer degrees (d) are equal to the integer part of the decimal degrees (dd):

d = integer(dd)

The minutes (m) are equal to the integer part of the decimal degrees (dd) minus integer degrees (d) times 60:

m = integer((dd - d) × 60)

The seconds (s) are equal to the decimal degrees (dd) minus integer degrees (d) minus minutes (m) divided by 60 times 3600:

s = (dd - d - m/60) × 3600



6 0
3 years ago
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