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3 years ago

7

Which expression is equivalent to 586c + 736c, if c+ 0?

1 answer:

Mkey [24]3 years ago

7 0

Answer:

C.

$12 \sqrt[3]{6c}$

Step-by-step explanation:

$5 \sqrt[3]{6c} + 7 \sqrt[3]{6c} \\ = (5 + 7)( \sqrt[3]{6c}) \\ = 12 \sqrt[3]{6c}$

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How is this worked out ? im confused.

Rudik [331]

Answer:

From the given ratio for $tan\theta=\frac{4}{5}$ we found the values are

$sin\theta=4$

$cos\theta=5$

$csc\theta=\frac{1}{4}$

$sec\theta=\frac{1}{5}$

$cot\theta=\frac{5}{4}}$

Step-by-step explanation:

Given the ratio for $tan\theta=\frac{4}{5}$

We have to find the rest of trignometric functions:

$tan\theta=\frac{4}{5}\hfill (1)$

$tan\theta$ can be written as

$tan\theta=\frac{sin\theta}{cos\theta}\hfill (2)$

Comparing equations (1) and (2) we get

$tan\theta=\frac{sin\theta}{cos\theta}=\frac{4}{5}$

$\frac{sin\theta}{cos\theta}=\frac{4}{5}$

Equating the coressponding numerator and denominator respectively

Therefore $sin\theta=4$ and $cos\theta=5$

We can find $csc\theta$

$csc\theta=\frac{1}{sin\theta}$

$=\frac{1}{4}$ (since $sin\theta=4$ )

$csc\theta=\frac{1}{4}$

We can find $sec\theta$

$sec\theta=\frac{1}{cos\theta}$

$=\frac{1}{5}$ (since $cos\theta=5$ )

$sec\theta=\frac{1}{5}$

To find $cot\theta$ :

$cot\theta=\frac{1}{tan\theta}$

$=\frac{1}{\frac{4}{5}}$

$=1\times \frac{5}{4}$

$=\frac{5}{4}}$

$cot\theta=\frac{5}{4}}$

7 0

3 years ago

Help math !!!!!!!!!!!!!!!!!!!!!!

Murrr4er [49]

The first box, or the box in the top left corner

8 0

3 years ago

Read 2 more answers

Can y’all help please

masha68 [24]

Answer: yes

Step-by-step explanation:

6 0

3 years ago

On a map, 2 1/2 cm represents 60 km. What is the actual distance between two cities that are 5 1/2 cm apart on the map?

lesya [120]

Answer:

They would be 132km apart

Step-by-step explanation:

In order to solve this we need to set up a proportion. To make that easier, let's first change the fractions into decimals.

2 1/2 = 2.5

5 1/2 = 5.5

Now we can put the scale in the right side fraction and the distance in the left.

2.5cm/60km = 5.5cm/xkm

Now cross multiply to solve

60 * 5.5 = 2.5 * x

330 = 2.5x

132 = x

8 0

2 years ago

Raj builds a side table in the shape of a cube. Each edge of the cube measures 20 inches. Raj wants to cover the top and four si

Mumz [18]

Answer:

Step-by-step explanation:

20in * 20in = 400in sq

400in sq * 5 sides = 2,000in sq needed.

4in * 4in = 16in sq

Take the 2,000in sq needed and divid it by the 16in each tile covers.

2,000 / 16 = 125 tiles

Therefore, you would need 125 tiles to cover 5 sides of the table. Top and four sides.

3 0

2 years ago