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vredina [299]
4 years ago
11

rectangle q has an area of 2 square units thea drew scaled version and labled it rectangle r what scale factor did thea use to g

o from q to r
Mathematics
1 answer:
alexgriva [62]4 years ago
5 0

Answer:

<em>It has been given that Rectangle Q has an area of 2 square units.</em>

<em>Thea Drew a scaled version of Rectangle Q and marked it as R.</em>

<em>As you must keep in mind If we draw scaled copy of pre-image, then the two images i.e Pre-image and Image are similar.</em>

<em>As you have not written what is the scale factor of transformation</em>

<em>Suppose , Let the Scale factor of transformation= k</em>

<em>Rectangle Q = Pre -image, Rectangle R= Image</em>

<em>If, Pre-Image < Image , then scale factor is k >1.</em>

<em>But If, Pre-Image > Image , then Scale factor will be i.e lies between, 0<k<1.</em>

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Americans who are 65 years of age or older make up 12.9% of the total population. If there at 30.3 million american in this age
telo118 [61]

Total population of US is 234.88 million.

Step-by-step explanation:

Given,

Number of people are 65 or older = 30.3 million

This represents 12.9% of total population.

Let,

x represent the total population.

12.9% of x = 30.3 million

\frac{12.9}{100}x=30.3\ million\\0.129x=30.3\ million

Dividing both sides by 0.129x

\frac{0.129x}{0.129}=\frac{30.3}{0.129}\ million\\\\x=234.88\ million

Total population of US is 234.88 million.

Keywords: percentage, division

Learn more about percentage at:

  • brainly.com/question/12148432
  • brainly.com/question/12223460

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5 0
3 years ago
A bag has four green marbles, three red marbles, and three yellow marbles. What is the probability that you pick a red marble, d
Archy [21]
The probability is 1/9
5 0
3 years ago
Read 2 more answers
A survey of high school juniors found the 75% of the students plan on attending college. If you pick 3 students at random, what
olya-2409 [2.1K]

Assuming you pick 3 students at random, The probability that at least two plan on attending college is 84%.

<h3>Probability</h3>

Using Binomial Distribution

Given:

n = 3

p = 0.75

q = 1-0.95 = 0.25

Hence:

P[≥2] = P[2] + P[3]=(3c2 ×0.75²×0.25) + 0.75³

P[≥2] = P[2] + P[3]=0.421875+0.421875

P[≥2] = P[2] + P[3]=0.84375×100

P[≥2] = P[2] + P[3]=84% (Approximately)

Inconclusion the probability that at least two plan on attending college is 84%.

Learn more about probability here:brainly.com/question/24756209

4 0
2 years ago
For what value of a does 9=1/27a-3
USPshnik [31]

Answer:

a = 324

Step-by-step explanation:

9=1/27 a -3

value of a = ?

9=(1/27) a  -3

9 + 3 = (1/27) a

12 = (1/27) a

12 x 27 = a

a = 324

6 0
3 years ago
I need help pleaseeee!!!!! I don’t understand
olganol [36]

Answer:

a. x = 5, m∠FGH = 22°

b. m∠HGI = 22°

c.  m∠FGI = 44°

Step-by-step explanation:

Since GH bisects FGI this means it divides the angle in two equal parts.

a. solving for x means equating them:

5x-3 = 6x-8 =>

5x - 6x = 3 - 8 =>

x = 5.

Both m∠FGH and m∠HGI are 5*5-3 = 22°

c. Add both angles: m∠FGH + m∠HGI = 44°

8 0
3 years ago
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