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kolbaska11 [484]
3 years ago
12

Please help. so confused on this one​

Mathematics
1 answer:
Sladkaya [172]3 years ago
3 0

Answer:

n - 3 >= 10

n >= 13

the answer is b

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A plumber had two pipes. The ratio of the length of the longer pipe to the
expeople1 [14]

Answer:

4.95m

Step-by-step explanation:

Let the length of longer and shorter pipe be x and y respectively..

given,

x/y=9/2...(i)

x-1.65=3y ...(ii)

in eqn ii..

x-1.65=3y

or, x/y - 1.65/y = 3

or, 9/2-1.65/y =3

or, 4.5-3 = 1.65/y

or, y=1.65/1.5

•°• y = 1.1m

now,

x/y = 9/2

or, x/1.1 = 4.5

x= 4.5×1.1

•°• x= 4.95m

thus, the length of the longer pipe is 4.95m

7 0
2 years ago
What is f(4) if f(x)=|3x+4|-2
alex41 [277]
Okay so just put the 4 in for x
and multiply

5 0
2 years ago
18/5 as a mixed number
Alona [7]
18/5 as a mixed number is 3 3/5 
3 0
2 years ago
Read 2 more answers
Researchers suspect that the average number of units earned per semester by college students is rising. A researcher at Calendul
aleksandrvk [35]

Answer:

All Calendula College students enrolled in the spring.

Step-by-step explanation:

A researcher at Calendula College wishes to estimate the number of units earned by students during the spring semester at Calendula.

To do so, he randomly selects 100 student transcripts from among all Calendula College students enrolled in the spring and records the number of units each student earned in the spring term.

7 0
2 years ago
"solve each system by graphing"
garik1379 [7]
Put them into y=mx+b
y=1/3x -1 
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Graph them. Where they touch is your answer. No touch? No solution. Same line? Infinite solutions.
Second set: Same thing.
Solution to first set is (9,2)
3 0
3 years ago
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