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ANEK [815]
4 years ago
11

Line c has an equation of y=-1/3x-5. Perpendicular to line c is line d which passes through the point (-1,7). What is the equati

on of line d?
Mathematics
1 answer:
fgiga [73]4 years ago
4 0

how would I know you can find your in if you read

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Which of the following represents an explicit formula for the sequence:<br> 8.2, 10, 11.8, 13.6
NNADVOKAT [17]

Answer:

Tn = 6.4 + 1.8n

Step-by-step explanation:

Given

Sequence: 8.2, 10, 11.8, 13.6

Required

The formula of the sequence.

First, the type of the sequence needs to be determined (arithmetic or geometric)

It is an arithmetic sequence because each successive sequence is separated by a common difference..

The common difference is represented by d and it's calculated as follows.

d = 10 - 8.2 or 11.8 - 10 or 13.6 - 11.8

Each of the above gives

d = 1.8

Now, that we have the common difference; the next is to determine the formula using the Arithmetic Progression formula.

Tn = T1 + (n - 1)d

Where T1 is the first term of the progression; T1 = 8.2

By substituting 8.2 for T1 and 1.8 for d.

This gives

Tn = 8.2 + (n - 1) * 1.8

Open bracket

Tn = 8.2 + 1.8 * n - 1 * 1.8

Tn = 8.2 + 1.8n - 1.8

Collect like terms

Tn = 8.2 - 1.8 + 1.8n

Tn = 6.4 + 1.8n

Hence, the formula of the sequence is Tn = 6.4 + 1.8n

3 0
3 years ago
Becker catches a fish that's 3/12 of a yard long. to keep the fish, it has to be longer than 1/3 of a yard. can Becker his fish?
Ann [662]
No
Just simply give each fraction a common denominator. In this case I will use 12. So just multiply both sides of 1/3 by 4 to get 4/12. Since 4/12 is greater than 1/3, he cannot keep the fish
5 0
3 years ago
A swim coach randomly selects 3 swimmers from a team of 8 to swim in a heat.
Maru [420]

Answer:

37.5, i think

Step-by-step explanation:

8 0
3 years ago
Find two numbers such that one number is 3 less than twice as big as the other number and the two numbers sum to 21.
Hitman42 [59]

Answer:

The two numbers are:

8 and 13

Step-by-step explanation:

a = 2b - 3       Eq. 1

a + b = 21        Eq. 2

Replacing Eq. 1 in Eq. 2:

(2b-3) + b = 21

3b - 3 = 21

3b = 21 + 3

3b = 24

b = 24/3

b = 8

from Eq. 1

a = 2*8 - 3

a = 16 - 3

a = 13

Check:

From Eq. 2:

a + b = 21

13 + 8 = 21

8 0
2 years ago
Please help me out I’ll give brainliest
yaroslaw [1]

Answer:6

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
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