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Alchen [17]
3 years ago
12

A number sequence has nth term 6n + 3 (a) Write down the first four terms of this sequence.  1st term ..............., 2nd term

..............., 3rd term ..............., 4th term
Mathematics
2 answers:
aivan3 [116]3 years ago
7 0

Answer:

9, 15, 21, 27

Step-by-step explanation:

Given n=6n+3

When n=1, t= 6(1)+3 =9

When n=2, t=6(2)+3=15

When n=3, t=6(3)+3=21

When n=4, t=6(4)+3=27

SHORT TRICK :

Whenever the value of 'n' is given in the form of an algebraic expression the common difference of the Arithmetic Progrsiion (A.P) is the coefficient of 'n' in the given expression.

Ex: In this Problem,

Given that n=6n+3

The coeeficient of 'n' is '6'

If you obsereve the answer you will also see that the Common difference is also '6'

Zarrin [17]3 years ago
6 0

Step-by-step explanation:

fknfbflfhe them,......e.<em>.</em><em>t.</em><em>y</em>

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Please help ASAP!!!!
DerKrebs [107]
Anwser:

y = 2x

Examples:

1.1= 1
2.2= 4
3.3= 9
4.4= 16
5.5= 25
6 0
3 years ago
A number,n,is multiplied by -5/8. The product is -0.4. What is the value of n?
Over [174]
N(-5/8)=-0.4
times both sides by -8/5
n(-40/-40)=3.2/5
n1=0.64
n=0.64
8 0
3 years ago
Read 2 more answers
An infinite number of ratios are equivalent to 3:8. How
Inessa05 [86]

Answer:

See below, please!

Step-by-step explanation:

There are infinite number of ratios equivalent to 3:8 because both numbers can be multiplied by a common number or divided by a common number.

For example, 9:24 would still be equivalent to 3:8 because the common number in our case is 3. See what I mean?

Hope this helped!

3 0
3 years ago
You have two coupons, one is for $25 off and the other is for 25% off. When would you use the $25 off coupon? When would you use
Brut [27]

Answer:

If I had two coupons, one for $ 25 off and the other for 25% off, to determine when I would use the $ 25 off coupon and when I would use the 25% off coupon, and when it would not matter which coupon I would use, I must carry out the following reasoning:

The $ 25 off coupon is a flat coupon, that is, it does not adapt to the price of the thing to be paid, but rather maintains its value constantly. Therefore, its utilization will be higher if those $ 25 represent a high value compared to the initial price of the product: if the thing is worth $ 50, a $ 25 off coupon represents half its value, while if the thing is worth $ 500, that same coupon will only represent 5% of it. Therefore, I would use the coupon for things that are worth between $ 25 and $ 99.

Instead, the 25% off coupon is a variable coupon, which is adapted according to the value of the product. In other words, a discount will always be made for 25% of said value: if the product is worth $ 80, the discount will be $ 20 (80 x 0.25), while if the product is worth $ 1,000, the discount will be $ 250 (1000 x 0.25 ). Therefore, I would use the coupon for products with a price greater than $ 100, that is, from $ 101 and up.

Finally, since 25% of $ 100 is $ 25, if you buy something of that value, it would be indistinct to use either of the two coupons.

8 0
3 years ago
Please anyone answer this for me?
vlabodo [156]
Im not sure but

(sarah + tara)/2 = 8

(20 + tara)/2 = 8

20 + tara = 16

tara = 4hours ?? it doesn’t make logical sense but this is the only way i can think of

sorry if this wasn’t helpful ;-;
7 0
3 years ago
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