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ArbitrLikvidat [17]
3 years ago
5

Find the nth term for this sequence -1 - 4 - 9 - 16 - 25

Mathematics
1 answer:
Fudgin [204]3 years ago
7 0

Answer:

Un = -n²

Step-by-step explanation:

Un = -n²

it's a quadratic term but with minus sign, just it

U1 = -1² = -1

U2 = -2² = -4 and so on

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Anwser both of them please
eimsori [14]
The rectangle on the right is 81 and the rectangle on the left is 24. I don't really know about the second one sorry, but I hope this helped.
4 0
3 years ago
Four friends went to the movies each ticket cost $8 and each person bought popcorn and a soda for $5 how much did they spend in
Neporo4naja [7]
Answer: m = $52

Explanation:
Tickets (t) = $8
Popcorn & Soda (s)= $5
Friends = 4
Since all friends bought the same thing the equation will be set as
4(t +s) = m OR 4t +4s = m
Using substitution, you plug each variable
t = 8 and s = 5
4((8) + (5)) = m
4(8+5) = m => 4(13) =m => 52=m
OR
4(8) + 4(5) = m => 32 + 20 = m =>
52 =m
7 0
3 years ago
Find three positive consecutive integers such that the product of the smallest and the largest is 17 more than three times the m
trapecia [35]
There are two answers to this question
the first possible answer is 5, 6, and 7 and the second possible answer is -4, -3, and -2


Step-by-step explanation:

let the three numbers be (x-1), x, and (x+1)
the product of the smallest and largest number is 17 more than 3 times the middle number, or
(x-1)(x+1) = 3x+17, or
x^2-1 = 3+17, or
x^2-3x-18 = 0
(x-6)(x+3) = 0
So x = 6 or -3
Then just subtract one and add one to get the other integers. the three numbers are 5, 6, and 7 or -4, -3, and -2
3 0
3 years ago
Is this a right triangle??? Show work
podryga [215]

Answer:

This is a right angle.

Step-by-step explanation:

As you can see below, the angle specified is 90 degrees. That is a right angle.

6 0
3 years ago
In this picture, m∠PQR = 161° and m∠SQR = 38°. If m∠PQS = (2x + 15)°, what is the value of x?
elena55 [62]

Answer:

B

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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