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guapka [62]
3 years ago
13

Write explicit equation for the sequence

Mathematics
1 answer:
Ray Of Light [21]3 years ago
5 0

Step-by-step explanation:

r=14/7=28/14=56/28=2    

So it is geometric

By using this equation:  

a(n)=a1*(r)^(n-1)

and we have a(1)=7 , r=2

<u>explicit equation : a(n)=7*(2)^(n-1)</u>

<em>hope this helps</em>

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An after-school sewing club has 120 yards of fabric to divide equally among the members of the club. When two more students join
maksim [4K]

The number of members before the entry of two new participants was 6, because before they had 20 yards and after their entry each one had 15 yards.

<h3>How to calculate how many members there were?</h3>

To figure out how many members there were, we must try different numbers until we find which number matches the information. In this case, it can be affirmed that there were 6 members, that is to say that each one had 20 yards.

  • 120 ÷ 6 = 20 yards.

Now, knowing that 2 more members joined, we must divide 120 by 8 to check the information in the statement.

  • 120 ÷ 8 = 15

According to the above, the number of members at the beginning was 6.

Learn more about members in: brainly.com/question/15128108

#SPJ1

3 0
2 years ago
Read 2 more answers
Maria found the least common multiple of 6 and 15. Her work is shown below.
Alex

The answer is D. Maria selected a multiple that is not the least of the common multiples.

We see from the list that the least common multiple between 6 and 15 is 30, not 60.

8 0
3 years ago
Read 2 more answers
Which expression can you simplify by combining like terms?
Sonbull [250]

Answer:

6 {d}^{2} + 5cd - 3dc + 8

Step-by-step explanation:

b/c we can substructure 5cd and 3dc b/c it doesn't matter if the place of cd and dc change. what I mean if 5 ×3=15 and it is the same with 3×5=15 both of the product are the same but, if it is - and ÷ it wil be wrong for example 5-3=2 but 3-5= -2

if is helpful ❤❤

THANK YOU

6 0
3 years ago
A quadrilateral has vertices A{11, -7), B(9,-4), C11,-1), and D(13,-4).
Bess [88]

Answer:

Quadrilateral ABCD is a <u>parallelogram</u>

if the vertex C( 11, -1 ) we’re shifted to the point C ( 11, 1 ), quadrilateral ABCD would be a <u>kite</u>

Step-by-step explanation:

without solving, im guessing that quad ABCD is a paralellogram (//gram)

lets test this theory

see if the slope of AB and CD, and BC and AD is the same

slope AB and CD

AB:

-7--4/11-9

=-3/2

CD:

-1--4/11-13

=3/-2

=-3/2

slope is the same

slope BC and AD

BC:

-4--1/9-11

=-3/-2

=3/2

AD:

-7--4/11-13

=-3/-2

=3/2

slope is same

because 2 pairs // sides ---> //gram

if the vertex C( 11, -1 ) we’re shifted to the point C ( 11, 1 ), quadrilateral ABCD would be a kite

hope this helps!

please mark brainliest thank you !

4 0
3 years ago
Richard and teo have a combine age of 38 Richard is 11 years okder than twice teo age how old are Richard and teo?
Reptile [31]
Richard is 29 and teo is 9
6 0
2 years ago
Read 2 more answers
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