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Gala2k [10]
3 years ago
10

Please answer! What is the scale factor from triangle a to triangle b? ​

Mathematics
2 answers:
Genrish500 [490]3 years ago
8 0
Triangle b is larger than triangle a
fgiga [73]3 years ago
8 0
Answer: The scale factor is 1.5

Explanation: The value of two corresponding legs are given. You use that and the knowledge of triangle A to B to create the equation 18/12. You then get the answer 1.5
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I need to model 2 equivalent fractions for 6 fifths
masha68 [24]
Six fifths = \frac{6}{5}.
You can multiply the numerator and denominator by any number to find an equivalent fraction. 
Two examples of equivalent fractions would be \frac{12}{10} and \frac{18}{15}.
Hope that helped you.
3 0
3 years ago
8 cm<br> 4 cm<br> 3cm. <br> 6cm <br><br> What is the area of the figure in square centimeters?
Dmitry [639]

Answer:

576 cm sqyared

Step-by-step explanation:

8 x 4 x 3 x 6 = 576

3 0
2 years ago
QUICKK ANSWERR (will mark brainlist)
atroni [7]

Answer:

Jessie sold x DVDs for $<u>3</u> each and then sold a board game for $<u>12</u>. Jessie made (select) $27 in her sales. How many DVDs did she sell?

She sold 5 DVDs

Step-by-step explanation:

3x+12=27

3x=15

x=5

5 DVDS

4 0
3 years ago
1. Find the 90% Cl for the population mean if sample
Elden [556K]

Answer:

The answer is below

Step-by-step explanation:

1)

mean (μ) = 12, SD(σ) = 2.3, sample size (n) = 65

Given that the confidence level (c) = 90% = 0.9

α = 1 - c = 0.1

α/2 = 0.05

The z score of α/2 is the same as the z score of 0.45 (0.5 - 0.05) which is equal to 1.65

The margin of error (E) is given as:

E=Z_{\frac{\alpha}{2} }*\frac{\sigma}{\sqrt{n} } =1.65*\frac{2.3}{\sqrt{65} } =0.47

The confidence interval = μ ± E = 12 ± 0.47 = (11.53, 12.47)

2)

mean (μ) = 23, SD(σ) = 12, sample size (n) = 45

Given that the confidence level (c) = 88% = 0.88

α = 1 - c = 0.12

α/2 = 0.06

The z score of α/2 is the same as the z score of 0.44 (0.5 - 0.06) which is equal to 1.56

The margin of error (E) is given as:

E=Z_{\frac{\alpha}{2} }*\frac{\sigma}{\sqrt{n} } =1.56*\frac{12}{\sqrt{45} } =2.8

The confidence interval = μ ± E = 23 ± 2.8 = (22.2, 25.8)

8 0
3 years ago
What is the word phrase for this algebraic expression z/8-9
ivann1987 [24]
The phrase would be: "z divided by the difference of 8 and 9"
5 0
3 years ago
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