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Marysya12 [62]
3 years ago
14

8th grade math! If you know the answer to this problem please interact(:

Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0

Answer:

the third one (-2,1)

Step-by-step explanation:

erik [133]3 years ago
3 0

Answer:

C

Step-by-step explanation:

so solving the first one we get

y=2x+5

and the second one we get

y=5x+10+1

y=5x+11

substiuting we get

2x+5=5x+11

3x=-6

x=-2

and y= 1

so it would be C

if my answer helps please mark as brainliest.

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Write an equation in slope-intercept form for the line with slope 6 and y-intercept -5.
shepuryov [24]

Answer:

y = 6x -5

Step-by-step explanation:

The slope intercept form of an equation is

y = mx+b where m is the slope and b is the y intercept

y = 6x -5

5 0
3 years ago
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NARA [144]

Answer:

25 {x}^{4 }  - 49

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3 years ago
National Textile installed a new textile machine in one of its factories at a cost of $250,000. The machine is depreciated linea
kirill115 [55]

Answer:

The required expression is y=250,000-24,000 t

Step-by-step explanation:

Consider the provided information.

National Textile installed a new textile machine in one of its factories at a cost of $250,000.

That means for 0 year the cost of the machine is $250,000.

This can be written as: (0, 250,000)

Over 10 years with a scrap value of $10,000

That means for 10 year the cost of the machine is $10,000.

This can be written as: (10, 10,000)

Now first find the rate of change:

Rate of change=m=\frac{Rise}{Run}=\frac{10,000-250,000}{10-0}

Rate of change=m=\frac{Rise}{Run}=\frac{-240,000}{10}

Rate of change=m=\frac{Rise}{Run}=-24,000

Now use the point-slope form of an equation of a line with the point (0, 250,000), we can find the required expression.

(y-250,000)=-24,000(t-0)

y-250,000=-24,000 t

y=250,000-24,000 t

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6 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!!!!!
Marta_Voda [28]

Answer:

x > - 8 or x < 2

Step-by-step explanation:

Given

- 8 < 2(x + 4) or - 3x + 4 > x - 4

Solve each part separately

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- 4 < x + 4 ( subtract 4 from both sides )

- 8 < x , thus

x > - 8

OR

- 3x + 4 > x - 4 ( subtract x from both sides )

- 4x + 4 > - 4 ( subtract 4 from both sides )

- 4x > - 8

Divide both sides by - 4, reversing the symbol as a result of dividing by a negative quantity

x < 2

Solution is x > - 8 or x < 2

6 0
4 years ago
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bogdanovich [222]

Answer:

19 shows direct variation

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19- Shows a steady increase of four in y for each one in x

20- Shows no increase

Step-by-step explanation:

19 is a constant increase by 4, 20 does not show either

4 0
3 years ago
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