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scoray [572]
3 years ago
13

What is the ninth triangular number?

Mathematics
1 answer:
earnstyle [38]3 years ago
5 0
27 I think..... Oh darn I'm replying to my self
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What is the midpoint of the line segment with endpoints (–1, 7) and (3, –3)?
Kipish [7]
The coordinates consist of x coordinate and y coordinate
(x₁,y₁) = (-1,7)
(x₂,y₂) = (3,-3)

To find the midpoint of x coordinate, use this following formula
x midpoint = (x₁ + x₂)/2
x midpoint = (-1 + 3) / 2
x midpoint = 2/2
x midpoint = 1

To find the midpoint of y coordinate, use this following formula
y midpoint = (y₁ + y₂)/2
y midpoint = (7 + (-3))/2
y midpoint = (7 - 3)/2
y midpoint = 4/2
y midpoint = 2

ANSWER
The midpoint is (1,2)
6 0
3 years ago
ANSWER ASAP WILL GIVE BRAINLIEST PLS HELP
jeka57 [31]

Answer:

Step-by-step explanation:

11) Probability of Black is  1/4

12) P of  not orange is  3/4

13) P of blue or black is 1/2

this should be pretty easy for you, why is it tough?  don't say .. " it just is" say what  makes it tough.  I'm curious why this is difficult.   :?

3 0
2 years ago
I need help with number 8
Mumz [18]

Answer:

If the underlined digit is 5 then it is Fifty thousand (50,000)

8 0
2 years ago
Read 2 more answers
3 times negative 13/8
professor190 [17]
3•-13/8 is -4.875 or or -4 7/8
8 0
2 years ago
Read 2 more answers
Miranda wants to give her 14-year-old daughter $20,000 when she turns 18. How much does she need to put in the bank now if the i
Eddi Din [679]
20,000 = P ( 1 + 0.1 )^4
20,000 = P * 1.1^4
20,000 = P * 1.461
P = 20,000 : 1.461 ≈ $13,689.25
Answer: Miranda needs to put now in the bank $13,689.25 
3 0
3 years ago
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