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3 years ago

13

the angle between the length of a rectangle and its diagonal is 30degrees. if the length of the rectangle is 6cm, find the lengt

h of diagonal.

1 answer:

adell [148]3 years ago

4 0

Answer:

view the picture

Step-by-step explanation:

It is self explanatory

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Item 16 a dentist's office and parking lot are on a rectangular piece of land. the area (in square meters) of the land is repres

Lyrx [107]

For this case, the first thing we should do is use the following equation:
x ^ 2 + x-30
Here, we substitute the value of x = 20
We have then:
(20) ^ 2 + (20) -30 = 390 m ^ 2
Answer:
the area of the land when the length of the dentist's office is 20 meters is:
390 m ^ 2

6 0

2 years ago

Find the probability of selecting two number cards when two cards are

olga2289 [7]

We know that there are 36 number cards and 16 face cards in standard deck of 52 cards. Now choose two cards without replacement from 52 cards.

The number of ways of choosing any 2 cards without replacement from 52 cards is

$C(2,52)=\frac{52!}{50!2!}$ .

The number of ways of choosing 2 number cards without replacement from 36 cards is

$C(2,36)=\frac{36!}{34!2!}$ .

The required probability is

$\frac{\frac{36!}{34!2!}}{\frac{52!}{50!2!} } =\frac{35*36}{51*52} =\frac{105}{221}$

Correct choice is (A).

6 0

3 years ago

Read 2 more answers

Solve for x.<br><br> 4/5 = 7/x

VARVARA [1.3K]

The answer is 8.75 because 7 * 5 is 35 / 4 = 8.75

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3 years ago

-3(1-2x)=21-6x what is the answer to this problem

zepelin [54]

Answer:

The answer to your question is 2 which means x=2.

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3 years ago

During math club, Richard is given four sets of numbers.

ioda

The answer would be C) Set 1 and Set 3. This is because both numbers in the set have to be negative for the statements to be true.

6 0

3 years ago