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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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Gayle starts to save at age 20 for an extended vacation around the world that she will take on her 45th birthday. She will contr
Katen [24]
For this case we have the following equation:
 P (t) = P (1 + r / n) ^ (n * t)
 Where,
 P: initial investment
 r: interest
 n: periods
 t: time
 she will take on her 45th birthday:
 for t = 25:
 P (25) = 1000 * (1 + 0.0165 / 4) ^ (4 * 25)
 P (25) = 1509.31 $
 Answer:
 The future value of this investment when she takes her trip is:
 P (25) = 1509.31 $
8 0
3 years ago
Read 2 more answers
1. Is the relation a function and why or why not?<br> {(1, 2), (2, 3), (1, 6), (4,3)}
weqwewe [10]

Answer:

Its not a function, D

Step-by-step explanation:

its not a function because the x value, 1, repeats. input is x and output is y, so the input of 1 has more than one output.

7 0
3 years ago
James uses 1/2 of a cup of sugar in his cookies, and Jade uses 3/4 of a cup of sugar in her cookies. Noel takes the sum of the t
lesya692 [45]

Answer:

5/8 of a cup

Step-by-step explanation:

What you do is you add 1/2 and 3/4 together.

1/2+3/4=5/4.

Noel used half of 5/4 so you would multiply it by 1/2

5/4*1/2=5/8 is your answer.

4 0
3 years ago
Read 2 more answers
Divide 70 in the ratio of 4:10
Lelechka [254]
Easy! just compare then cross multiply 70:1 × 10:4 because you need to use the negative reciprocal of either one to create division with ratios/fractions
\frac{70}{1}  = \frac{10}{4}
8 0
3 years ago
Consider the polynomial function
dolphi86 [110]

Answer:Since the degree is odd, the ends of the function will point in the opposite directions. Odd. Identify the leading coefficient.

Step-by-step explanation:

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░░░░░░█░░░░░░░░█░ bob da bildr

8 0
2 years ago
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