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4 years ago

I need some help please

Mathematics

1 answer:

klio [65]4 years ago

4 0

True, because the dilation factor is less than one. This will result in the shape reducing.

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The coordinate grid below shows triangle ABC and it's image after translation, triangle A'B'C':

malfutka [58]

Y+4 would complete the rule for this translation.

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4 years ago

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The coordinates of the vertices of △JKL are J(3, 4), K(3, 1) , and L(1, 1) . The coordinates of the vertices of △J′K′L′ are J′(−

timurjin [86]

The <em><u>correct answer</u></em> is:

A 180° rotation followed by a translation 1 unit down.

Explanation:

The points are mapped as follows:

J(3, 4)→J'(-3, -5)

K(3, 1)→K'(-3, -2)

L(1, 1)→L'(-1, -2)

A 180° rotation maps a point (x, y) to (-x, -y). This would map

J(3, 4)→(-3, -4)

K(3, 1)→(-3, -1)

L(1, 1)→(-1, -1)

The difference between these points and the image points are that each y-coordinate of the image is 1 lower than these. This means a translation 1 unit down would result in the image points.

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3 years ago

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Complete each sentence to describe the algebraic expression 9 + y.

Zanzabum

Answer:

The variable is y.

The operation is +

The constant is 9.

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3 years ago

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The average birth weight of elephants is 200 pounds. Assume that the distribution of birth weights is Normal with a standard dev

zhenek [66]

The birth weight of elephants at the 85th percentile is 262.16 pounds

<h3>What is the standard deviation?</h3>

Standard deviation is defined as the amount of variation or the deviation of the numbers from each other.

Given that:-

The average birth weight of elephants is 200 pounds $\mu$ = 200

The deviation of 60 pounds. $\sigma$ = 60

The birth weight of elephants at the 85th percentile. z = 85%= 1.036

Now from the formula of z-score:-

$z=\dfrac{x-\mu}{\sigma}\\\\\\z=\dfrac{x-200}{60}\\\\\\1.036\times 60=x-200\\\\\\x=\ \ 262.16\ pounds$

Hence the birth weight of elephants at the 85th percentile is 262.16 pounds

To know more about standard deviation follow

brainly.com/question/475676

#SPJ1

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2 years ago

What is the sum of the Linear expression 2n+6 and 6n-2

saveliy_v [14]

Hello there! ^-^

To solve, do the following.

2n + 6 = 8n and 6n - 2 = 4n

I think you can take it from here ;)

If not just simply message me

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4 years ago