3 years ago

Graph the equation on the coordinate plane. y=-2x

Mathematics

1 answer:

KengaRu [80]3 years ago

6 0

it will be so ezee thats all 480ⁿ17 do you got it just took the test

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joshua can wash 5 cars in 1 hour and jason can wash 3 cars in one hour. at this rate, how long will it yake joshua and jason to

zvonat [6]

The answer is 3 hours 40 minutes

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3 years ago

Line parallel to y=-3x 4 and goes through (-4,6)

Eduardwww [97]

Y=-3x+4
Gradient, m= -3
Parallel lines have equal gradients;
So, equation II,
y=mx+c
y=-3x+c
Replacing for x and y using point (-4, 6)
6=-3(-4)+c
6=12+c
6-12=c
c=-6
y=-3x-6

7 0

2 years ago

Its on the picture, plz go fast

Naily [24]

Answer:

Elimination

Step-by-step explanation:

You would not do substitution since it would not work so you do elimination since the 4y and -4y eliminate then you just solve for it.

7 0

1 year ago

Find the standard equation of the parabola that satisfies the given conditions. Also, find the length of the latus rectum of eac

lakkis [162]

Answer:

The standard parabola

y² = -18 x +27

Length of Latus rectum = 4 a = 18

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given focus : (-3 ,0) ,directrix : x=6

Let P(x₁ , y₁) be the point on parabola

PM perpendicular to the the directrix L

SP² = PM²

(x₁ +3)²+(y₁-0)² = $(\frac{x_{1}-6 }{\sqrt{1} } )^{2}$

x₁²+6 x₁ +9 + y₁² = x₁²-12 x₁ +36

y₁² = -18 x₁ +36 -9

y₁² = -18 x₁ +27

The standard parabola

y² = -18 x +27

Length of Latus rectum = 4 a = 4 (18/4) = 18

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2 years ago

What is the value of the fourth term in geometric sequence for which a1 = 15 and r = 1/3?

Naya [18.7K]

So you express fraction.
15 x (1/3)^ 3=15/27=5/9

7 0

2 years ago

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