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2 years ago

A triangle has sides of length 3 cm and 3 cm. What can be concluded about the length of the third side?

Mathematics

1 answer:

mrs_skeptik [129]2 years ago

7 0

Answer:

that its 3cm

Step-by-step explanation:

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If a prius cost $65 per day and civic cost $52 per day. Which will be cheaper?

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3 years ago

Write an equation, in slope-intercept form, that shows the relationship between the # of apples and the total price. Each apple

Norma-Jean [14]

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3 years ago

What’s the answer to this question

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3 years ago

Suppose you know that Mr. and Mrs. Vincent have at most eight children. One day you happen to meet two girls who were the Vincen

lianna [129]

Answer:

The number of children are 4 out of which 3 are girls

Step-by-step explanation:

Data provided in the question:

P(Two randomly selected children are girls) = $\frac{1}{2}$

now,

let the number of children be 'n'

the number of girls be 'x'

thus,

P(Two randomly selected children are girls) = $\frac{^xC_2}{^nC_2}$ = $\frac{1}{2}$

also,

$^nC_r$ = $\frac{n!r!}{(n-r)!}$

thus,

$\frac{\frac{x!2!}{(x-2)!}}{\frac{n!2!}{(n-2)!}}$ = $\frac{1}{2}$

$\frac{x(x-1)}{n(n-1)}$ = $\frac{1}{2}$

2x(x-1) = n(n-1)

now

for x = 3 and n = 4

i.e

2(3)(3-1) = 4(4-1)

12 = 12

hence, the relation is justified

therefore,

The number of children are 4 out of which 3 are girls

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3 years ago

A cat-lover claims that cats are just as smart as dogs. In order to back this claim up with some evidence she organizes a study

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Answer:

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Step-by-step explanation:

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3 years ago