Perform the indicated operation -100/5

Mathematics

2 answers:

ludmilkaskok [199]2 years ago

6 0

Answer:-20

Step-by-step explanation:

The answer is negative 20 because if you do -20 times 5 you get -100. So you now you are right when you did a check step that worked

Ludmilka [50]2 years ago

3 0

In order to get the answer to this question you will have to divide the numbers.

$-\frac{100}{5}$

$100 \div 5 = 20$

$= -20$

Therefore the answer is "-20."

Hope this helps.

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Given that a randomly chosen quadrilateral has four right

motikmotik

Answer:

0.25

Step-by-step explanation:

complete question:

Bart found 20 quadrilaterals in his classroom. He made a Venn diagram using the properties of the quadrilaterals, comparing those with four equal side lengths (E) and those with four right angles (R).

See attachment for the figure.

SOLUTION:

At Venn diagram there are 4 parts (20 pieces):

-> blue colored - quadrilaterals having four equal side lengths (3 pieces)

-> orange colored - quadrilaterals with four right angles (6 pieces)

-> blue and orange colored - quadrilaterals with four right angles and with four equal side lengths (2 pieces)

-> white colored - quadrilaterals without previous two properties (9 pieces).

Considering events:

A -> a randomly chosen quadrilateral has four right angles;

B -> a randomly chosen quadrilateral has four equal side lengths;

By using formula : $P(B|A)=\dfrac{Pr(A\cap B)}{Pr A}$ in order to find probability that a randomly selected quadrilateral with 4 right angles also has four equal side lengths: