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4 years ago

Help I don't know how to do geometry

Mathematics

1 answer:

Nana76 [90]4 years ago

6 0

the transformation (x, y) → (x, y- 4) , means the x-coordinate remains unchanged, while the y-coordinate has 4 subtracted from it, for example

the points on the diagram

A(1, 5 ) → A'(1, 5 - 4) → A'(1, 1)

B(4, 5) →B'(4, 5 - 4) → B'(4, 1)

C(4, 3) → C'(4, 3 - 4) → C'(4, - 1)

D(2, 2) → D'(2, 2- 4) → D'(2, - 2)

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2.25meter long and 1.8 meters wide what is the area

Alexxandr [17]

I'm assuming that you're talking about the dimensions of a rectangle. To find the area, you can multiply the length (2.25 meters) by the width (1.8 meters).

2.25*1.8=4.05
The area would be 4.05 sq. meters

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3 years ago

A new battery is expected to have a storage capacity of 60 ampere-hour (A h). A sample is tested, resulting in a 2-side confiden

antoniya [11.8K]

Answer:

Option B) The battery storage capacity is significantly different than 60 Ah, at a confidence level of 95 %

Step-by-step explanation:

We are given the following in the question:

Mean storage capacity = 60 ampere-hour

95% confidence interval =

$63\leq \mu \leq 72$

Thus, the correct answer based on the confidence interval is

Option B) The battery storage capacity is significantly different than 60 Ah, at a confidence level of 95 %

Since it is a two sided test we test whether the mean storage capacity is 60 Ah or different than 60 Ah

Thus, the battery storage is different from 60 Ah because the mean storage capacity does not lie in the 95% confidence interval.

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3 years ago

Which of the following is an example of a perfect square trinomial?

Aliun [14]

Answer:

Step-by-step explanation:

A perfect square trinomial is always in the form

(a+b)(a+b)= $a^{2} +2ab+b^2$

ie. (x+4)(x+4)= $x^{2} +8x+16$

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3 years ago

Estimate the measure of the clockwise angle formed by the minute hand and the second hand, then classify the angle. A. 54°; acut

Harlamova29_29 [7]

I would go with b or a or d but not c

8 0

3 years ago

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The point (–5, 6) is located in which quadrant?<br><br> A coordinate plane.

Kryger [21]

Answer:

The point (-5, 6) is located in the second quadrant

Step-by-step explanation:

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2 years ago

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