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3 years ago

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Mathematics

1 answer:

4vir4ik [10]3 years ago

7 0

Answer:

Choice A (older trees are generally taller than younger trees)

Step-by-step explanation:

As you increase the x value, the y value tends to increase as well. Choice B is incorrect because the points are clustered together in a linear fashion, showing correlation. Choice C is incorrect because the fact that they are clustered around a line of best fit shows high correlation. Choice D is incorrect because a negative correlation coefficient would mean the y decreases as x increases.

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Start with Chanel’s sequence. How does a 90-degree counterclockwise rotation about the origin change the coordinates of a shape?

zmey [24]

When a shape is rotated, it must be rotated through a point.

90 degrees counterclockwise rotation negates the y-coordinates, and then swap the x and y-coordinates
Chanel is incorrect

The rule of 90 degrees counterclockwise is:

$(x,y) \to (-y,x)$

This means that:

The y-coordinate is negated
Then the y and x coordinates are swapped

However, Charlies transformation is incorrect.

This is so because, the shape was not rotated, but instead it was reflected across the x-axis.
Then, the shape was dilated

Using points L and Q

$L=(1,1)$

When L is reflected across the x-axis.

The rule is:

$(x, y) \to (x, -y)$

So, we have:

$(1, 1) \to (1, -1)$

Next, it is dilated by 2.

The rule of this is:

$(x,y) \to k(x,y)$

So, we have:

$(1,1) \to2 \times (1,-1)$

$(1,1) \to (2,-2)$

From the diagram, the coordinate of Q is:

$Q = (2,-2)$

Same as the calculated point

Hence, Chanel is incorrect

Read more about transformation at:

brainly.com/question/11709244

8 0

2 years ago

Read 2 more answers

Which is the best estimate of sqrt 0.96 to the nearest hundredth?

AnnyKZ [126]

For this case we have the following expression:
$\sqrt{0,96}$
We use a calculator to calculate the value of the expression shown.
We have then that the result is: $\sqrt{0,96} = 0.979795897
$
Round to the hundredth:
$\sqrt{0,96} = 0.98
$
Answer:
the best estimate of sqrt 0.96 to the nearest hundredth is:
0.98

6 0

4 years ago

Read 2 more answers

You don't need to explain, just try to write the answer and then PRESS PIC

sesenic [268]

The answer to the question is 43

5 0

3 years ago

Can someone help please

Vsevolod [243]

The answer would be c, the scatter plot had one cluster close to the top and no outliers because most of them are closer together. Hope this helps!! :))

5 0

4 years ago

Read 2 more answers

How do you solve it?

zalisa [80]

Step-by-step explanation:

Is there any data given abour the figure? And actually, what exactly do you need to solve?

7 0

2 years ago

Pleaseeeeee help me i appreciate it​

Pleaseeeeee help me i appreciate it