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zhannawk [14.2K]

2 years ago

10

Triangle HAM is reflected over the y-axis using the rule (x, y) → (−x, y) to create triangle H′A′M′. If a line segment is drawn

from point A to point A′, which statement would best describe the line segment drawn in relation to the y-axis?

2 answers:

Rufina [12.5K]2 years ago

6 0

Answer:

The segment drawn and the y-axis are congruent to each other.

vladimir1956 [14]2 years ago

4 0

Answer:

the last one

i think it right

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The degree measure of angle a is 135°. which expression below is equivalent to the radian measure of angle a?

Kazeer [188]

It is given that $\angle a=135^{\circ}$ .

Now, know that in 180 degrees there are $\pi$ radians. This can be written as:

$180^{\circ}=\pi$ radians

$\therefore 1^{\circ}=\frac{\pi}{180}$ radians (dividing both sides by 180)

Thus, to find the measure of the given angle of $135^{\circ}$ in radians, we will have to multiply the above equation by 135. Thus, we get:

$135^{\circ}=\frac{\pi}{180}\times 135$ radians

$135^{\circ}\approx2.356$ radians

Thus, equivalent to the radian measure of angle a is 2.356

7 0

2 years ago

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Train A traveled 173 miles in five hours. For Train B, y = 31.35x represents its rate of speed over the same five hours. Which t

kap26 [50]

<span> D) Train A by a factor of 1.1
</span>Train A: <span>17/35</span><span> = 34.6</span>

<span>Train B: </span>Rate<span> is the </span>slope<span> of the </span>equation, 31.35

Thus,<span>34.6/31.35</span><span> = 1.1036</span>

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2 years ago

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Simplify aaa^3bxa^2b^3abx^4

dolphi86 [110]

Aaa^3bxa^2b^3abx^4
=aaa^3a^2abb^3bxx^4
=a^(1+1+3+2+1)b^(1+3+1)x^(1+4)
=a^8^b^5x^5

5 0

2 years ago

A veterinarian's office recorded one particular week that they had 50 patients. The following table shows the recorded number of

Gre4nikov [31]

Answer:

1. <u>The correct answer is 46%</u>

2. <u>The correct answer is .07</u>

<u>3. The correct answer is (34%,58%)</u>

4. <u>The correct answer is (32%,60%)</u>

Step-by-step explanation:

1. Let's calculate the percentage or proportion of patients that were dogs:

p = (7 + 4 + 5 + 5 + 2)/50 = 23/50 = 0.46

<u>The correct answer is 46%</u>

2. Let's estimate the standard error, using the given formula, this way:

S.e = √ (0.46 * 0.54)/50 = √0.049 = 0.07

<u>The correct answer is .07</u>

<u>3. </u>Let's calculate the confidence limits of the 90% confidence interval, this way:

Confidence limits = proportion +/- 1.645 * standard error

Confidence limits = 0.46 +/- 1.645 * 0.07

Confidence limits = 0.46 +/- 0.12

Confidence limits = 0.34, 0.58

<u>The correct answer is (34%,58%)</u>

4. <u> </u>Let's calculate the confidence limits of the 95% confidence interval, this way:

Confidence limits = proportion +/- 1.96 * standard error

Confidence limits = 0.46 +/- 1.96 * 0.07

Confidence limits = 0.46 +/- 0.14

Confidence limits = 0.32, 0.60

<u>The correct answer is (32%,60%)</u>

3 0

2 years ago

. In triangle JKL, ∠ J measures 25.8º, and ∠ K is a right angle. What is the measure of ∠ L?

Alina [70]

Answer:

64.2

Step-by-step explanation:

Since a right triangle is equal to 90 degrees, you would subtract 25.8 from 90 to get your answer.

Hope this helps :)

8 0

2 years ago