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Salsk061 [2.6K]
3 years ago
7

Please help with this I’m not sure if I’m doing it right??

Mathematics
1 answer:
Mariulka [41]3 years ago
5 0

Answer:

Option B. is the right choice.

Step-by-step explanation:

Divide the given figure such that the divided parts represent either a rectangle or square.

Take one small box in each divided figure as one unit length.

Total\:Area=\left(4\times 4\right)+\left(4\times 2\right)\\\\=24\:square\:units

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B) 5(2x - 4)<br> Expand the following
jeka94

Answer:

10x-20

Step-by-step explanation:

(5×2x)-(5×4)

10x-20

8 0
2 years ago
A mathematical phrase represented by numbers, variables, and operations is a(n)
Andre45 [30]

Answer:

Expression

Step-by-step explanation:

Expressions use numbers, variables, and operations to form a mathematical calculation.

Equations are similar except they use equal signs, so that makes them different than expressions.

If this answer is correct, please make me Brainliest!

7 0
3 years ago
A financial analyst wanted to estimate the mean annual return on mutual funds. A random sample of funds' returns shows an averag
Feliz [49]

A financial analyst wanted to estimate the mean annual return on mutual funds. A random sample of 60 funds' returns shows an average rate of 12%. If the population standard deviation is assumed to be 4%, the 95% confidence interval estimate for the annual return on all mutual funds is

A. 0.037773 to 0.202227

B. 3.7773% to 20.2227%

C. 59.98786% to 61.01214%

D. 51.7773% to 68.2227%

E. 10.988% to 13.012%

Answer: E. 10.988% to 13.012%

Step-by-step explanation:

Given;

Mean x= 12%

Standard deviation r = 4%

Number of samples tested n = 60

Confidence interval is 95%

Z' = t(0.025)= 1.96

Confidence interval = x +/- Z'(r/√n)

= 12% +/- 1.96(4%/√60)

= 12% +/- 0.01214%

Confidence interval= (10.988% to 13.012%)

3 0
3 years ago
(01.04 LC)Multiply (-1/3)(1/4)
pashok25 [27]

Answer:

D: -1/12

Step-by-step explanation:

4 0
3 years ago
A spinner with 9 congruent sections is labeled 1-9. The probability of spinning a 1 or a 9 is 2/9. What is the probability of no
Alecsey [184]

Answer:

7/9 which is the opposite of 2/9

Step-by-step explanation:

3 0
3 years ago
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