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2 years ago

Which fraction has a terminating decimal as its decimal expansion?

Mathematics

1 answer:

Alinara [238K]2 years ago

4 0

Answer:

A or D

Step-by-step explanation:

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A man invest 5,200,part at 4% and the balance at 3%. If his total income for the two investments is $194,how much money did he i

Fed [463]

Let the amount invested at 4% be = x

Let the amount invested at 3% be = y

Given is:

$x+y=5200$ or $x=5200-y$ .... (1)

As, total income for the two investments is $194, so equation is:

$0.04x+0.03y=194$ ....(2)

Putting value of x from (1) in (2)

$0.04(5200-y)+0.03y=194$

$208-0.04y+0.03y=194$

$0.01y=14$

$y=1400$

And x=5200-y

$x=5200-1400=3800$

Hence, money invested at 4% is $3800 and money invested at 3% is $1400

6 0

2 years ago

Please help due in 3 min <br> could you show the steps please

Westkost [7]

Muitply by two on both sides then subtract then divide to find x

6 0

2 years ago

Suppose the scores of seven members of a women’s golf team are 68, 62, 60, 64, 70, 66, and 72. Find the mean, median, and midran

Ksenya-84 [330]

The mean, median, and midrange of the given that are 66, 66 and 66 respectively.

Option D) Mean = 66, median = 66, midrange = 66 is the correct answer.

<h3>What is the mean, median, and midrange?</h3>

Mean is the sum total of the number divided by number of terms

Median is the middle number when arranged in ascending or descending order.

Midrange is the average of the sum of the maximum number and the minimum number.

Given that;

Data set: 68, 62, 60, 64, 70, 66, and 72

n = 7

First, we arrange in ascending order.

60, 62. 64, 66, 68, 70, 72

Mean = ( 60 + 62 + 64 + 66 + 68 + 70 + 72 ) / 7

Mean = 462 / 7

Mean = 66

Median = 66

66 is the middle number.

Range = ( Max + Min ) / 2

Range = ( 72 + 60 ) / 2

Range = 132 / 2

Range = 66

Therefore, the mean, median, and midrange of the given that are 66, 66 and 66 respectively.

Option D) Mean = 66, median = 66, midrange = 66 is the correct answer.

learn more on mean, median and mode here: brainly.com/question/9588526

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3 0

1 year ago

a deep sea exploring ship is pulling up a diver at the rate of 25 feet per minute. The diver is 200 feet below sea level. How de

nlexa [21]

25 times 10=250

200+250=450 feet underwater

7 0

2 years ago

Explain and show how to find the square root of 50 to the nearest tenth

4vir4ik [10]

Answer:

$\sqrt{50}=7.1$

Step-by-step explanation:

We want to find the square root of 50;

We need to first rewrite 50 as a prime factorization.

$\sqrt{50}=\sqrt{25\times 2}$

We now split the square root to get:

$\sqrt{50}=\sqrt{25}\times \sqrt{2}$

Take square root to get:

$\sqrt{50}=5 \sqrt{2}$

$\sqrt{50}=5(1.414)=7.07$

To the nearest tenth we have $\sqrt{50}=7.1$

7 0

2 years ago