3 years ago

Which of the following is equivalent to? 19

Mathematics

2 answers:

galben [10]3 years ago

7 0

If you can attach an image it would be great

11Alexandr11 [23.1K]3 years ago

3 0

Answer:

we dont see the numbers

Step-by-step explanation:

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Using the Quotient of Powers Property Simplify 12x^9/2x^3 6x^2 6x^6 10x^3 10x^6

AysviL [449]

Answer:

It is 6x^6 ... since you divide 12÷2=6 and you subtract exponents

3 0

3 years ago

Given sin(u)= -7/25 and cos(v) = -4/5, what is the exact value of cos(u-v) if both angles are in quadrant 3

solmaris [256]

Given:

$\sin (u)=-\dfrac{7}{25}$

$\cos (v)=-\dfrac{4}{5}$

To find:

The exact value of cos(u-v) if both angles are in quadrant 3.

Solution:

In 3rd quadrant, cos and sin both trigonometric ratios are negative.

We have,

$\sin (u)=-\dfrac{7}{25}$

$\cos (v)=-\dfrac{4}{5}$

Now,

$\cos (u)=-\sqrt{1-\sin^2 (u)}$

$\cos (u)=-\sqrt{1-(-\dfrac{7}{25})^2}$

$\cos (u)=-\sqrt{1-\dfrac{49}{625}}$

$\cos (u)=-\sqrt{\dfrac{625-49}{625}}$

On further simplification, we get

$\cos (u)=-\sqrt{\dfrac{576}{625}}$

$\cos (u)=-\dfrac{24}{25}$

Similarly,

$\sin (v)=-\sqrt{1-\cos^2 (v)}$

$\sin (v)=-\sqrt{1-(-\dfrac{4}{5})^2}$

$\sin (v)=-\sqrt{1-\dfrac{16}{25}}$

$\sin (v)=-\sqrt{\dfrac{25-16}{25}}$

$\sin (v)=-\sqrt{\dfrac{9}{25}}$

$\sin (v)=-\dfrac{3}{5}$

Now,

$\cos (u-v)=\cos u\cos v+\sin u\sin v$

$\cos (u-v)=\left(-\dfrac{24}{25}\right)\left(-\dfrac{4}{5}\right)+\left(-\dfrac{7}{25}\right)\left(-\dfrac{3}{25}\right)$

$\cos (u-v)=\dfrac{96}{625}+\dfrac{21}{625}$

$\cos (u-v)=\dfrac{1 17}{625}$

Therefore, the value of cos (u-v) is 0.1872.

6 0

3 years ago

The sum of 4 times a number and 7 equals 9

Reptile [31]

Answer:

0.5

Step-by-step explanation:

0.5 x 4 = 2, 2 + 7 = 9

4 0

3 years ago

Read 2 more answers

Can someone help me on number 4??

Anika [276]

37.5% = 3/8 as a fraction.
So 180 x 8/3 would get you your answer.
Solution: 480

6 0

3 years ago

One leg of a right triangle measures 15 m and the hypotenuse measures 17 m. What is the measure of the other leg?

wolverine [178]

15^2+x^2=17^2
225+x^2=289
289-225=64
x^2=64
x=8

6 0

3 years ago

Read 2 more answers

Which of the following is equivalent to? 19 ​

Which of the following is equivalent to? 19