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3 years ago

What is tan B enter your answer as a simplified fraction in the box

Mathematics

1 answer:

Tasya [4]3 years ago

4 0

Answer:

7/24

Step-by-step explanation:

Tangent is opposite over adjacent. You know that the opposite leg is 14 but you don't know the adjacent.

To find the unknown leg, use Pythagorean theorem so that 50^2-14^2= leg. The length is 48.

14/48= tan B

7/24= tan B

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Which of the following is a

CaHeK987 [17]

Answer:

B is the answer because square root of 7 is 2.645 which is more than two and 3 is more tgan 2.645

4 0

3 years ago

There are (n r) different linear arrangements of n balls of which r are black and n-r are white. give a combinatorial explanatio

Vanyuwa [196]

Answer:

$\frac{n!}{r!(n-r)!}$

Step-by-step explanation:

Combinatorial explanation:

The n balls have to be arranged in n positions and the only distinction is where are the black and where white balls are.

We can choose the position of black balls in $\binom{n}{r}$ ways, therefore, white ones are on the remaining positions.

Using binomial we can have explanation written below:

The balls can be arranged in n! possible permutations.

To be precise one particular arrangement includes $r!(n-r)!$ permutations. Since r black balls can be permuted in r! ways and white balls in (n-r)! different orders.

So basically it yields,

$r! \times (n-r)!$ permutations.

So the actual amount is,

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

6 0

4 years ago

Cody increased the amount of money he saves each week from $40 to $75. By

Natali [406]

Answer:

So Cody increase his savings by 87.5%

Step-by-step explanation:

We are given Cody's original savings = $40

We are given his new savings total = $75

Now, in order to find out the percentage we have to first find out by how much did he increase his savings:

Increase in savings = $75 - $40 = $35

So now we have the increase in savings we can find out the percentage:

$increase(\%) \: = \frac{increase \: in \: savings}{original \: savings} \times 100$

Now we plug in our values that we found:

$increase(\%) = \frac{35}{40} \times 100\\ increase(\%) = 87.5\%$

So Cody increase his savings by 87.5%

6 0

3 years ago

HELP I NEED HELP ASAP

V125BC [204]

Answer:

try C or A

Step-by-step explanation:

7 0

3 years ago

There are 25 bananas that will be cut and divided evenly between 4 loaves of bread. How many bananas go into each loaf? Choose t

Paul [167]

Answer: 6 1/4

Step-by-step explanation: 25 divided by 4 = 6 1/4

4 0

4 years ago