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stiv31 [10]
3 years ago
7

When ∆RST is translated 4 units down, what are the apparent coordinates of T’?

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

Answer:

T' is at (-1,-8)

Step-by-step explanation:

When we translate down 4 units, we will subtract 4 from the y coordinate

T is at (-1,-4)

We need to subtract 4 from the y coordinate

T' is at (-1,-4-4)

T' is at (-1,-8)

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The graph shows the value of a certain model of car compared with its age. Which statement is false?
uranmaximum [27]
Answer: Choice B

===================================

A more in depth look

Choice A is true because the points are going downward as you read from left to right. The points aren't all on the same line but they are close to one. We can cross choice A off the list.

Choice B is false. So this is the answer. The fact that the points are close to the same line indicates that the r value is close to -1 rather than 0. If the points were randomly scattered about, or if they fell on a curve such as a parabola, then the linear correlation coefficient r would be (closer to) zero.

Choice C is true. The explanatory variable is the independent variable x. We can cross choice C off the list. 

Choice D is true. The points are fairly close to the same straight line. It's not perfect but it's good enough. We can cross choice D off the list.
4 0
4 years ago
Read 2 more answers
Hal and Renee play the following game a bag has 11 tiles in it each with a letter from the word probably in it Hal and Renee tak
Masteriza [31]

Answer:

  • <em>D. The game is not fair because the probability of Hal drawing a winning letter is less then the probability of Renee drawing a winning letter </em>

Explanation:

The word is not probably, which has 8 letters, but probability, which has 11 letters

<u>1. Hal</u>

Probability of drawing a vowel

  • The vowels are:  o, a, i, i, and y: 5

  • The total number of letters in the bag is 11.

  • Probability of vowel = 5 / 11

<u>2. Renee</u>

Probability of drawing a consonant

  • The consonants are: p, r, b, b, l, t, and y: 7

  • Probability of a drawing a consonant: 7 /11

<h2>Conclusion</h2>

As you see, the probability of drawing a vowel (5/11), which is the winning letter for Hal, is less than the probability of drawing a consonant (7/11), which is the winning letter of Renee. Then,

  • The game is not fair because the probability of Hal drawing a winning letter is less then the probability of Renee drawing a winning letter.

8 0
4 years ago
In the given figure, the area of △ADE is 16 units. What is the area of △ABC?
Sunny_sXe [5.5K]

Answer:

(i) Triangle ABC and triangle ADE are similar triangles. Hence, their ratios will be same.

Ratio of DE to BC is 4:6 => 2:3

To find area, we need to raise the ratio of length to power 2

(2/3)² = 16/x

4/9 = 16/x

x = (16*9)/4

x = 36cm²

Therefore, area of triangle ABC is 36cm²

(ii) Ratio of DE to BC is 4:8 => 1:2

(1/2)² = 25/x

1/4 = 25/x

x = 25*4

x = 100cm²

Therefore, area of triangle ABC is 100cm²

I'm not sure about the third question, sorry

Step-by-step explanation:

5 0
3 years ago
Solve 2cos x+2cos 2x=0 on the interval [0,2pi)
rjkz [21]
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6 0
3 years ago
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Nadusha1986 [10]

Answer:

319 seconds

Step-by-step explanation:

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When slope is 6.4%, \theta=tan^{-1} 0.064=3.67^{\circ}&#10;

a_{net}=a-gsin\theta=2.93-32.2sin3.67=-0.87&#10;

Therefore, a_{net}=-0.87 ft/s^{2}&#10;

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65577.6=297.73t+0.5(-0.87)t^{2}&#10;

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Making t the subject of the formula by solving quadratic equation

t=318.4791278210496

Therefore, time is 319 seconds

8 0
3 years ago
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