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Viktor [21]
3 years ago
13

How to solve this problem

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0
X- 6/4=7
x-6=7×4
x-6=28
x=28-6
x=22
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The first T-shirt you buy costs $7, and every additional shirt costs only $5. Let f(n) be the total cost of n shirts. F is a seq
Zina [86]

Answer:

f(n) = 2 + 5n. This is an arithmetic sequence.

Step-by-step explanation:

f(1) = 7

f(2) = 7 + 5

f(3) = 7 + 5 + 5 = 7 +10

f(4) = 7 + 5 + 5 + 5 = 7 + 15

In general,

f(n) = 7 + 5(n -1 )

        = 7 + 5n - 5

        = 2 + 5n

We have the sequence 7, 12, 17, 22, 27 …

This is an arithmetic sequence, because it is a sequence of numbers in which the <em>common difference</em> between consecutive terms is 5.

6 0
3 years ago
Please answer all with explanation
stepladder [879]

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12+y=6

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y=-6

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2 years ago
Which of these numbers is divisible by 2 A. 2612 B.1241 C.4263
julia-pushkina [17]

Answer:

A. 2612

cause 2612 is a even number

6 0
3 years ago
You plan on taking a 1170 mile long trip in your car, which average 19.5 miles per gallon. About how many gallons of gas will yo
kiruha [24]
171 dollar because 1170 divde by 19.5 is 60 times 2.85 is 171
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3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST AND 20 PTS
Nesterboy [21]

Answer:

-6/7

Step-by-step explanation:

Slope is negative, around -1

7 0
3 years ago
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