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Evgesh-ka [11]
3 years ago
9

Need help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Mathematics
1 answer:
liraira [26]3 years ago
7 0

Answer:

he travels 65 miles every hour because 130÷ 2= 65

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An arithmetic sequence is defined by the recursive formula t1 = 11, tn = tn - 1 - 13, where n ∈N and n > 1. Which of these is
Darya [45]
ANSWER

The general term of the sequence is.

t_n= 11 - 13(n - 1)

The correct answer is C.

EXPLANATION
The recursive definition of the sequence is given by

t_n=t_{n-1}-13
where
t_1=11

and
n > 1.

When we plug in
n = 2
into the recursive definition, we obtain,

t_2=t_{2-1}-13


\Rightarrow t_2=t_{1}-13

\Rightarrow \: t_2=11-13

t_2= - 2

The Commons difference is
d = - 2 - 11 = - 13

The general term is given by the formula,

t_n= t_1 + (n - 1)d

We substitute the above values to obtain,

t_n= 11 + (n - 1)( - 13)

This implies that,

t_n= 11 - 13(n - 1)

where,
n\in N
3 0
4 years ago
If x = 4 in this equation, what does y equal? 5x+8y=4
monitta
5x + 8y = 4.....when x = 4
5(4) + 8y = 4
20 + 8y = 4
8y = 4 - 20
8y = - 16
y = -16/8
y = -2 <==
8 0
4 years ago
The United States Congress contains 435 representatives and 100 senators. You want to make groups that each have the same number
Aleksandr-060686 [28]

Answer:

5

Step-by-step explanation:

The greatest common factor of 435 and 100 is 5, so if you make 5 groups, each group will have 87 representatives and 20 senators.

7 0
3 years ago
Convert 5/6, 8/9, and 7/8 to equivalent fractions with denominator 72, their LCD
ValentinkaMS [17]

Answer:

60/72, 64/72, 63/72

Step-by-step explanation:

5/6 = 60/72

8/9 = 64/72

7/8 = 63/72

6 0
2 years ago
The population of a certain country is growing at a rate of 1.51.5​% per year. How long will it take for this​ country's populat
Rzqust [24]

Answer:

After 46 years, the population of this country will be doubled.

Step-by-step explanation:

Given that,

The population of a certain country is growing rate 1.5%.

The formula for this is

t=\frac{ln2}{k}

t= time in years

k=population growth rate.

Here k=1.5% =\frac{1.5}{100} = 0.015

t=\frac{ln2}{0.015}

  ≈46 years

After 46 years, the population of this country will be doubled.

3 0
4 years ago
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