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MrRissso [65]
3 years ago
12

4 classmates were asked to decorate 1/5 of the bulletin board in a classroom. they divided the section to be decorated among the

4 student. What fraction of the entire bulletin board did each classmate decorate
Mathematics
1 answer:
aksik [14]3 years ago
4 0
Data:
Fraction of the chalkboard = \frac{1}{5}
classmate = 4
<span>Fraction that each classmate decorated = ?
</span>
Solving:

\frac{1}{5}\div4 \to \frac{ \frac{1}{5} }{4} =  \frac{1}{5}* \frac{1}{4}  =  \boxed{\boxed{\frac{1}{20}}} \end{array}}\qquad\quad\checkmark

Fraction that each classmate decorated = \frac{1}{20}


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If p is the hypothesis of a conditional statement and q is the conclusion, which is represented by ~p → ~q?
Bogdan [553]
It is equivalent to q -> p. 
4 0
3 years ago
Circle towns limit form a perfectly circular shape that has a population of 20000 in the population density of 480 people per sq
Alex

Answer:

D =\frac{P}{\pi X^2}

And solving for the radius we got:

X = \sqrt{\frac{P}{\pi D}}

And replacing the data given we got:

X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km

And this value converted to meters is X = 87.40 m

Step-by-step explanation:

For this case we know the population size P = 20000 and we also know the population density D = 480 \frac{people}{km^2}

We can assume that the area is a circle. We also know that the formula for the population density is given by:

D= \frac{P}{A}

Where P represent the number of people and A the area. Since we are assuming a circle then the area is given by:

A = \pi X^2

With X the radius of the circle

And then the populationd density become:

D =\frac{P}{\pi X^2}

And solving for the radius we got:

X = \sqrt{\frac{P}{\pi D}}

And replacing the data given we got:

X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km

And this value converted to meters is X = 87.40 m

6 0
3 years ago
Find the midpoint of a segment whose endpoints are (9, –7) and (–3, 5).
suter [353]
For this question, you would have to use the midpoint formula. 
(X1 +X2 / 2 , Y1 + Y2 / 2)

In other words, 
(9 + -3 / 2 , -7 +5 / 2)
(6 / 2 , -2 / 2)
(3 , -1)

Your midpoint is (3, -1)
7 0
3 years ago
I need help with these anyone know
Brilliant_brown [7]
7. 20
8. 680
9. 700
10. 4,000
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7 0
3 years ago
11. If Sally
Delvig [45]

Answer:

0.2

Step-by-step explanation:

Multiply 4/5 and 1/4: Decimal form

.8 • .25

3 0
3 years ago
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