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3 years ago

Find the equation of the line that has the same slope as y = 2x – 3 and goes through the point (–1, 3).

Mathematics

1 answer:

tankabanditka [31]3 years ago

6 0

Answer:

y=2x+5

Step-by-step explanation:

y=2x+b

3=2(-1)+b

3=-2+b

+2 +2

b=5

y=2x+5

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A person on tour has dollar 360 for his daily expenses. If he extends his tour for 4 days, he has to cut down his daily expenses

Greeley [361]

Answer:

The original duration of the tour is 18 days.

Step-by-step explanation:

Let

the number of days spent be T

Daily expenses be D

Initially ,

total tour expenses was 360

$D \times T=360$

$D = \frac{360}{T}$ -------------(1)

If he extends his tour for 4 days, he has to cut down his daily expenses by dollar 3

$(D + 4) \cdot(T -3) = 360$ ---------------(2)

Expanding the eqaution(2)

DT-3D + 4T -12 = 360

Substituting the value of D

$(\frac{360}{T})T -3( \frac{360}{T}) + 4T -12 = 360$

$(\frac{360}{T})T -3( \frac{360}{T}) + 4T= 360 + 12$

$(\frac{360}{T})T -3( \frac{360}{T}) + 4T= 372$

$360 - ( \frac{1080}{T}) + 4T= 372$

$( \frac{1080}{T}) + 4T= 372 - 360$

$( \frac{1080}{T}) + 4T= 12$

$1080 + 4T^2= 12T$

Solving the quadratic equation we get

T = 18 and T = -15

T is the number of gays and it cannot be negative , hence T is 18

Substituting in equation (1) we get

$D = \frac{360}{18}$

D = 20

4 0

3 years ago

hello this is a thing that i have to do in a few days i posted it earlier bc no one likes to answer my questions anywayy correct

AlekseyPX

Answer:

Step-by-step explanation:

3 0

3 years ago

Which Expression is equivalent to 5−3(4−1)?

Softa [21]

I believe the answer would be B, good luck

5 0

3 years ago

Read 2 more answers

What does f mean in f(x)=3/2x+2?<br><br> Also do the two points 0,2 and 2,5 work with the equation?

dem82 [27]

Answer:

f(x) means y

Points 0,2 and 2,5 work with the equation

Step-by-step explanation:

f(x) means y

For 0, 2

y = 3/2(0) + 2

y = 2

For 2,5

y =3/2(2) + 2

y = 5

3 0

2 years ago

Read 2 more answers

I need HELP please I don't get how to do this and I only have a little time to do it!!!

Ghella [55]

For a transition up you would add the number of h it’s of the transition to the y value and keep the x value the same

the transition would be (6, -5 + 1) = (6,-4)

draw the point at (6,-4) which would be one line above where the dot is now.

5 0

3 years ago