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3 years ago

The square root of 80

Mathematics

1 answer:

pochemuha3 years ago

6 0

Sqrt(80) = Sqrt(16) x sqrt(5)
= 4 x sqrt(5)

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Multiplication property: if angle j equals 30 then 2m angle j equals

EastWind [94]

If m∡J=30, then 2(m∡J) = 2(30) = 60

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3 years ago

The ratio of 7th graders to 6th graders kn the debate team is 3:2. There are a total of 30 debate team members. How many 6th gra

user100 [1]

Answer:

The answer is 18 on the 7th grade, 12 on the 6th grade.

Step-by-step explanation:

3x6=18
2x6=12

18+12=30

7 0

3 years ago

How do i solve -2(y-2)<2(y-4)

salantis [7]

Your answer would be y<3

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4 years ago

What is the answer to the system?

omeli [17]

$\begin{cases}x + y = 40 \\ \frac{x}{20} + \frac{y}{4} = 6\end{cases} \\ \Leftrightarrow \begin{cases} x + y = 40\\x + 5y = 120 \end{cases} \\ \Leftrightarrow \begin{cases} x + y = 40\\ 4y = 80\end{cases} \\ \Leftrightarrow \begin{cases}x = 20 \\ y = 20\end{cases}$

6 0

4 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

3 years ago