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3 years ago

Pls help I will mark braniliest

Mathematics

1 answer:

lidiya [134]3 years ago

7 0

Answer:

y=x+2 will be a positive upwards graph that has a slope of 1 this means it will cross diagonally perfectly it won't change directions and it won't go up more than down or left more than right. It will cross the x axis at 2.

y=-x+2 It will be the same thing but this time starts from the top left and goes down gets to x axis at positive 2 again

y=|x|+2 This will go down from top left again and hit positive 2 on y axis then go back up making a v it does not curve and it does have a perfect slope of 1 making it easy to graph.

Step-by-step explanation:

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write an equation of the perpendicular bisector of the line segment whose endpoints are (-1,1) and (7,-5)

gladu [14]

Find midpoint of segment.
(-1,1), (7,-5)
$x= \frac{-1+7}{2}=3,y= \frac{1+(-5)}{2}=-2$

Find slope of line which passes through (-1,1) and (7,-5).
$m= \frac{-5-1}{7-(-1)}= \frac{-6}{8}=- \frac{3}{4}$

The slope of perpendicular line is negative reciprocal value of m.
$m_{\perp}=- \frac{1}{m} =- \frac{1}{- \frac{3}{4} } = \frac{4}{3}$

Write quation of line which slope is $\frac{4}{3}$ and passes throug the point (3,-2).
$m=\frac{4}{3},x_1=3,y_1=-2
\\y-y_1=m(x-x_1)
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\\y+2=\frac{4}{3}x-\frac{8}{3}
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\\3y+6=4x-8
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3 years ago

Translate to an algebraic expression the sum of a and 8

gogolik [260]

Answer:

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Step-by-step explanation:

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4 years ago

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Three guinea pigs living in the same cage need at least 12 square feet of living space. Is a cage that measures 3 feet by 5 feet

Basile [38]

Area of the cage : A = L * W
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3 years ago

Solve the equation and check the solution4.4x-4=3.4x

PolarNik [594]

$4.4x-4=3.4x$

Substract '-3.4x' at LHS nad the RHS of the above expression.

$\begin{gathered} 4.4x-4-3.4x=3.4x-3.4x \\ 4.4x-3.4x-4=0 \\ x-4=0 \end{gathered}$

Add '4' on both LHS and RHs of the above expression.

$undefined$

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2 years ago

The Tauroto region contains 31 different species of IceCream-type small monsters. Each capture of an IceCream-type small monster

Rudik [331]

Answer:

0.28

Explanation:

You can determine the probability of the collector has captured at least two small monsters of the same species is the complent of that all the monsters captured are of different species, i.e. none are of the same species.

The probability than none of the five captured small monsters are of the same species are:

1. Probability than the one monster is of the species One, and the others are not of the species One:

(1/32) × (31/32) × (30/32) × (29/32) × (28/32)

2. Probability that the first monster is of the species Two, and the others are not of the species Two:

(1/32) × (31/32) × (30/32) × (29/32) × (28/32)

3. Probability that the first monster is of the species Three and the others are not of the same species:

(1/32) × (31/32) × (30/32) × (29/32) × (28/32)

4. Inference

As you see you have to do this 32 times, and then add all the equal 32 probabilities, which is

32 × (1/32) × (31/32) × (30/32) × (29/32) × (28/32) = 0.72

That is the probability that none of the five small monsters are of the same species. Then, the probability that at leas two small monsters are of the same species is 1 - 0.72 = 0.28

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3 years ago