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garik1379 [7]
3 years ago
10

Can someone please please help me? with a reasoning? :(

Mathematics
1 answer:
Natali [406]3 years ago
8 0

Answer:

a) 3x + y = -5 & b) y = 1/3 ( 21- 9x )

Step-by-step explanation:

a)

3x + y = -5

y = -3x -5

b)

y = 1/3 ( 21 - 9x)

y = -3x + 7

y = 3x + 2.5

the slop is to be same in the parallel lines. slop means m in ( y = mx + c )

so a) & b) are parallel lines. since their m is -3 .

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6. Which value is a solution to the inequality? −3x −5 < −14
yan [13]
First, add -5 to -14: 

-3x < -9 

Then, just divide!: 

x < 3
Hopefully that helped! :) 
8 0
3 years ago
Read 2 more answers
En un salon de clases cuando se colocan cuatro alumnos en cada banca, 3 de ellos quedan sin puesto y cuando se colocan de a 5 en
Harlamova29_29 [7]

Answer: 5 benches and 23 students

Step-by-step explanation:

I will answer in English.

We have E students and B benches.

If we sit 4 students per bench, we have 3 students left.

then:

E = 4*B + 3

And if we sit 5 students per bench, there are two places with no students sited.

E = 5*B - 2

now we can replace the E in the second equation with the right part in the first equation:

4*B + 3 = 5*B - 2

3 + 2  = 5*B - 4*B

5 = B

So we have 5 benches, and:

E = 4*5 + 3 = 23 students.

5 0
3 years ago
How do you find the slope equation of x+4y=16
tankabanditka [31]

x+4y=16

4y= -x +16

y = -1/4x + 4


so slope = -1/4

5 0
4 years ago
What fraction of 6 weeks is 6 days​
adelina 88 [10]

Answer:

\frac{1}{7}

Step-by-step explanation:

6 weeks is 42 days.

6 days/42 days = 1/7

6 0
2 years ago
50 points Quick answer, thank you.
PIT_PIT [208]
Lines R and S are parallel.

this seems like a geometry question and I’m in Algebra so I probably shouldn’t even try to answer this.
6 0
4 years ago
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