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3 years ago

How to find coordinates -2,4

Mathematics

2 answers:

Setler79 [48]3 years ago

4 0

Answer: start at the origin (the center where the two bold lines intersect) and go left two notches. that is where -2 is. then go up 4 notches. that is where -2,4 is.

allsm [11]3 years ago

3 0

Answer:

Travel left across the X-Axis (Horizontal) -------- until you reach negative two (-2)

Then Travel up on the Y-Axis (Vertical) Until you get to your Y coordinate four (4)

Step-by-step explanation:

Connect both of your points to create a line.

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Find the equation of the line through (0,4) perpendicular to the line y = 3x

Rufina [12.5K]

Answer:

$y = - \frac{1}{3} x + 4$

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

The product of the gradients of perpendicular lines is -1.

Gradient of given line= 3.

(Gradient of line)(3)= -1

3m= -1

m= $- \frac{1}{3}$

subst. m= $- \frac{1}{3}$ into the equation:

$y = - \frac{1}{3} x + c$

To find the value of c, substitute a coordinate.

When x=0, y=4,

$4 = - \frac{1}{ 3} (0) + c \\ 4 = c \\ c = 4$

Thus the equation of the line is $y = -\frac{1}{3} x + 4$ .

3 0

3 years ago

Need answers for 70-75

adoni [48]

Answer:

70. 0

71. -54

72. 12

73. 86

74. 59

Step-by-step explanation:

To evaluate an expression, substitute specific values for the variables and simplify using Order of Operations.

70. c-3d becomes

$(1)-3(\frac{1}{3}) = 1-(\frac{3}{3}) = 1-1 = 0$

71. $x+x^3-4x^4$ becomes

$2+2^3-4(2)^4 = 2+8-4(16) = 2+8-64=10-64=-54$

72. $5a+3a^2$ becomes

$5(-3)+3(-3)^2 = -15 +3(9) = -15 + 27 = 12$

73. $F=\frac{9}{5}C+32$ becomes

$F=\frac{9}{5}(30)+32=\frac{270}{5}+32 = 54+32 = 86$

74. $F=\frac{9}{5}C+32$ becomes

$F=\frac{9}{5}(15)+32=\frac{135}{5}+32 = 27+32 = 59$

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3 years ago

Which equation has a zero slope and y-intercept of -2?

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Answer:

It is D

Step-by-step explanation:

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3 years ago

Solve the equation<br> 42x + 7 = 16

ehidna [41]

Answer:

should get 0.2 hope this helps you!

Step-by-step explanation:

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2 years ago

Read 2 more answers

which graph represents a line with a slope of -2/3 and a u intercept equal to that of theme u =2/3×-2

Usimov [2.4K]

Answer:

Step-by-step explanation:

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3 years ago

How to find coordinates -2,4​

How to find coordinates -2,4