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2 years ago

Choose the correct proportions.

Mathematics

1 answer:

ozzi2 years ago

6 0

Answer:

Step-by-step explanation:

We know that the only possibilities with proportionate answers are 6:7 = 12:14, or 7:6 = 14:12. Only 6:7 = 12:14 is an answer choice. Both the numbers in the first pair times two equal the second pair.

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3) 14, 9, 20, 5, 17, 13 mean: median: mode: range:

Korolek [52]

Answer:

mean: 13

range: 15

there is no mode

median: 13.5

Step-by-step explanation:

mean= 14+9+20+5+17+13 = 78

78÷6= 13

range = highest number minus the smallest number

20-5 = 15

the mode is the number that occurs the most

median= 13+14= 27

27÷2 = 13.5

7 0

2 years ago

What is 21 divided by 50

Trava [24]

Answer:

o.42

Step-by-step explanation:

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3 years ago

Read 2 more answers

In a certain city there are 4,000 youths between ages 16 and 20 years old who drive cars. If 560 of

Lubov Fominskaja [6]

Step-by-step explanation:

P = 560 / 4000

P = 0.14

There is a 14% probability.

7 0

3 years ago

The two-way frequency table below shows data on mindset and attendance at practice for students in Mateus's study.

andrezito [222]

Answer:

Relative frequencies

Growth mind set fixed mind set Total

Attendance

every practice 0.7 0.3 1

missed at-least

one practice 0.1344 0.8656 1

Step-by-step explanation:

Growth mind set fixed mind set total

Attendance

every practice 28 12 40

missed at-least

one practice 9 58 67

Relative frequencies

Growth mind set fixed mind set Total

Attendance

every practice $\frac{28}{40} = 0.7$ $\frac{12}{40} = 0.3$ 1

missed at-least

one practice $\frac{9}{67} = 0.1344$ $\frac{58}{67} = 0.8656$ 1

Final answer:-

Relative frequencies

Growth mind set fixed mind set Total

Attendance

every practice 0.7 0.3 1

missed at-least

one practice 0.1344 0.8656 1

5 0

2 years ago

Writing quadratic equations question 4

Ratling [72]

Answer:

a²+b²=c²; (1.0)²+(5.0)²=x²

Step-by-step explanation:

(1.0×1.0)+(5.0×5.0)=(x×x)

5 0

2 years ago