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Tom [10]
3 years ago
9

A sequence starts:

Mathematics
1 answer:
Softa [21]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

Given the sequence

1, 4, 9, 16, ....

has n th term

a_{n} = n²

(a)

Given the sequence 2, 5, 10, 17, ......

Note the terms are 1 more than the previous given sequence, thus

a_{n} = n² + 1

(b)

Given 2, 8, 18, 32, ......

Note the terms are twice the original given sequence, thus

a_{n} = 2n²

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Patrick picked two numbers. The first number has 7 hundreds, 0 tens, and 0 ones. The second number has 2 fewer hundreds than the
pshichka [43]

Answer:

500 and 700

Step-by-step explanation:

It says '7 hundreds' referring to 700. and it then say the second number has 2 fewer, two fewer hundreds is 200. so the two numbers are 500 and 700.

8 0
3 years ago
Al can wash a car in 60 minutes, and bill can wash a car in 30 minutes. cathy can wash a car in 20 minutes. how long, in minutes
choli [55]
B) 36

To figure this out you need to average the numbers. To average them you add them all up and divide by how many are there.
(60+30+20)/3
(90+20)/3
110/3
36
3 0
3 years ago
1)Kamala’s mother gave her a 100 Rupee note .Kamala bought a pen for Rs.68.50.How much money will be left with her?
baherus [9]

Answer:

100- 68.50 = 31. 50 rupees

Step-by-step explanation:

that is 31 rupees and 50 paise

3 0
3 years ago
Read 2 more answers
1.5x + 1.3x = -8.4<br><br> I just wanted to make sure i got it right I got X = 42
Marianna [84]

Answer:

Hello there! I'm Ashlynn I'm always here to help!

___________________________________________

1.5x+1.3x

Combine 1.5x and 1.3x to get 2.8x.

(2.8x)

Subtract 1 from 1.

2.8x  

0

 

For any term t except 0, t  

0

=1.

2.8×1

For any term t, t×1=t and 1t=t.

2.8

________________________________________________________

<em>“Let your unique awesomeness and positive energy inspire confidence in others.” </em>

<em> - </em><em>Anonymous</em>

4 0
3 years ago
Erin ran 7 1/2 miles around the track. Each lap is 1 1/2 miles. How many laps did Erin run
Roman55 [17]

Answer:

She ran 5 laps

Step-by-step explanation:

Why? Because with each lap stating to be one and a half miles; you first and only step is to divide, seeing how each time you put 1 1/2 into the value of this 7 1/2 miles, you got a lap each time.

you divide 7 1/2 by 1 1/2,

this results in getting, 5

3 0
3 years ago
Read 2 more answers
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