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2 years ago

Write the same ratio using another form A:B vs A to B

Mathematics

2 answers:

meriva2 years ago

7 0

A/b over another one

Firdavs [7]2 years ago

5 0

A over B like a.fraction

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Find the two small as possible solutions

solong [7]

Answer: $\bold{b)\quad \dfrac{5}{6},\ \dfrac{25}{6}}$

<u>Step-by-step explanation:</u>

$12cos\bigg(\dfrac{2\pi}{5}x\bigg)+10=16\\\\\\12cos\bigg(\dfrac{2\pi}{5}x\bigg)=6\\\\\\cos\bigg(\dfrac{2\pi}{5}x\bigg)=\dfrac{1}{2}\\\\\\cos^{-1}\bigg[cos\bigg(\dfrac{2\pi}{5}x\bigg)\bigg]=cos^{-1}\bigg(\dfrac{1}{2}\bigg)$

$\text{Use the Unit Circle to determine when}\ cos=\dfrac{1}{2}\quad \rightarrow \quad\text{at}\ \dfrac{\pi}{3}\ and \ \dfrac{5\pi}{3}\\\\\\\dfrac{2\pi}{5}x=\dfrac{\pi}{3}\qquad and\qquad \dfrac{2\pi}{5}x=\dfrac{5\pi}{3}\\\\\\\bigg(\dfrac{5}{2\pi}\bigg)\dfrac{2\pi}{5}x=\dfrac{\pi}{3}\bigg(\dfrac{5}{2\pi}\bigg)\quad and\quad \bigg(\dfrac{5}{2\pi}\bigg)\dfrac{2\pi}{5}x=\dfrac{5\pi}{3}\bigg(\dfrac{5}{2\pi}\bigg)\\\\\\.\qquad \qquad \large\boxed{x=\dfrac{5}{6}\qquad and \qquad x=\dfrac{25}{6}}$

6 0

2 years ago

Read 2 more answers

1. Solve: 4(x + 3) = 9x + 9 - 5x + 3

Xelga [282]

Answer:

the answer is c

Step-by-step explanation:

i hope this helps

8 0

3 years ago

Find the standard deviation of the set. (The mean has already been found as 30)

Nikolay [14]

Answer: I need more details plz

Step-by-step explanation:

5 0

3 years ago

If two pyramids are similar and the ratio between the lengths of their edges is 3:4, what is the ratio of their volumes?

Trava [24]

Answer:

The ratio of their volumes is 27/64

Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

In this problem

The scale factor is 3/4

step 2

Find the ratio of their volumes

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

$(\frac{3}{4})^{3}=\frac{27}{64}$

8 0

2 years ago

The expression in the figure below represent the measures of two angle.Find the value of x . f || g . The diagram is not to scal

Andrej [43]

I hope this helps you

2x and 8x+40 complementary angles

their sum is 180

2x+8x+40=180

10x=140

x=14

5 0

2 years ago