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Olenka [21]
3 years ago
13

What is the similarity ratio (scale factor) of the larger triangle to the smaller triangle?

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
7 0

Answer:

5/11

Step-by-step explanation:

Correct answer

UkoKoshka [18]3 years ago
5 0

Answer:

  • 5/11

Step-by-step explanation:

<u>Corresponding side have same ratio:</u>

  • 55/121 = 5/11 (divide by 11)
  • 40/88 = 5/11 (divide by 8)
  • 30/66 = 5/11  (divide by 6)

The similarity ratio or the scale factor of the larger triangle to the smaller is 5/11

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Which of the following statements are not true in developing a confidence interval for the population mean?
frutty [35]

Answer:

b) The width of the confidence interval becomes narrower when the sample mean increases.

Step-by-step explanation:

The confidence interval can be calculated as:

\bar{x} \pm \text{Test Statistic}\displaystyle\frac{\sigma}{\sqrt{n}}

a) The width of the confidence interval becomes wider as the confidence level increases.

The above statement is true as the confidence level increases the width increases as the absolute value of test statistic increases.

b) The width of the confidence interval becomes narrower when the sample mean increases.

The above statement is false. As the sample mean increases the width of the confidence interval increases.

c) The width of the confidence interval becomes narrower when the sample size n increases.

The above statement is true as the sample size increases the standard error decreases and the confidence interval become narrower.

8 0
3 years ago
A sum of money doubles itself in 16 2 years at certain rate of simple interest. How long will it take to double itself at the sa
Viefleur [7K]

Answer:

r=40% or .4

Step-by-step explanation:

32=16(1+r)^2

6 0
3 years ago
1. What would be the best graph or display to represent your Home Library Statistics data? Why?
algol13

Answer:

A bar graph

Step-by-step explanation:

A bar chart will give you the visual understanding of your data.It will clearly show the book with most number of pages and compare the books according to the number of pages.You can formart using different colors for each bar.

4 0
3 years ago
Mathematical Statement Justification
olya-2409 [2.1K]

Answer:

B

Step-by-step explanation:

1. Given mathematical statement

4x+3=x+5-2x

So,

\begin{array}{cc}4x+3=x+5-2x&\text{ Given}\end{array}

2. Rewrite it as

4x+3=x-2x+5

So,

\begin{array}{cc}4x+3=x-2x+5&\text{ Commutative property of addition}\end{array}

3. Combine like terms x and -2x:

4x+3=-x+5

So,

\begin{array}{cc}4x+3=-x+5&\text{ Combine like terms}\end{array}

4. Add x to both sides:

4x+3+x=-x+5+x\\ \\5x+3=5

So,

\begin{array}{cc}5x+3=5&\text{ Addition property of equality}\end{array}

5. Subtract 3 from both sides:

5x+3-3=5-3\\ \\5x=2

So,

\begin{array}{cc}5x=2&\text{ Subtraction property of equality}\end{array}

6. Divide both sides by 5:

x=\dfrac{2}{5}

So,

\begin{array}{cc}x=\dfrac{2}{5}&\text{ Division property of equality}\end{array}

6 0
3 years ago
Read 2 more answers
Help me solve -8 + 5 (g+2) - 2
goldenfox [79]

- 8 + 5 (g+2) - 2

mutiply the bracket by 5

(5)(g)= 5g

(5)(2)= 10

-8+5g+10-2

-8+10-2+5g ( combine )

2-2+5g

0+5g

Answer:

5g

4 0
3 years ago
Read 2 more answers
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