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joja [24]
2 years ago
8

Use intercepts to graph the linear equation –2x + 6y =18

Mathematics
2 answers:
posledela2 years ago
5 0
(-9,3)

Root is (-9,0)
Vertical intercept is (0,3)
Dominik [7]2 years ago
5 0

Answer:

First, you solve for y, then you graph the equation.

See picture for how to solve for y (aka put in slope intercept form) and graph.

1/3 is the slope and 3 is the y intercept

Step-by-step explanation:

see photos

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The perimeter of a rectangular field is 60 meters. Its area is 200 square meters. Find its dimensions.
Vanyuwa [196]

Answer:

20 m by 10 m

Step-by-step explanation:

let w be width and l be length , then

2(l + w) = 60 ( divide both sides by 2 )

l + w = 30 ( subtract w from both sides )

l = 30 - w → (1)

lw = 200 → (2)

Substitute l = 30 - w into (2)

w(30 - w) = 200 ← distribute parenthesis on left side

30w - w² = 200 ( subtract 200 from both sides )

30w - w² - 200 = 0 ( multiply through by - 1 )

w² - 30w + 200 = 0 ← in standard form

(w - 10)(w - 20) = 0 ← in factored form

Equate each factor to zero and solve for w

w - 10 = 0 ⇒ w = 10

w - 20 = 0 ⇒ w = 20

Substitute these values into (1)

l = 30 - 10 = 20

l = 30 - 20 = 10

dimensions of field is 20 m by 10 m

4 0
2 years ago
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MA_775_DIABLO [31]
Isolate x
So xy - 2 = k
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xy = k + 2

x = (k+2)/y
6 0
2 years ago
Simplify this 9+ -4=
ddd [48]

Answer:

13

Step-by-step explanation:

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The circumference of the circle is 62.8cm what is the diameter use 3.14
Svetllana [295]

Answer:

20

Step-by-step explanation:

Divide 62.8 by 3.14

4 0
3 years ago
Use the Distributive Property to multiply.) -4x(x - 7)*
ad-work [718]

Answer:

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Step-by-step explanation:

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