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2 years ago

Rewrite this division expression as an equivalent multiplication expression. 9/4 divided by 7/5

Mathematics

1 answer:

Vesnalui [34]2 years ago

5 0

Step-by-step explanation:

9/4 divided by 7/5

= 9/4 multiplied by 5/7

= 9/4 * 5/7.

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ANSWER QUICK I AM GIVING 25 POINTS AND MARKING BRAINLIEST PLEASE HELP THANK YOUUU! no explanation needed btw just tell me a, b,

Vesnalui [34]

9514 1404 393

Answer:

C. 25/6 ft²

Step-by-step explanation:

Let's call the dimensions of Rectangle B x and y. Then ...

xy = 5 ft²

and

x² = 6 ft²

We want to find the value of y². Solving the first equation for y, then substituting for x², we have ...

y = (5 ft²)/x

y² = ((5 ft²)/x) = 25 ft⁴/x² = 25 ft⁴/(6 ft²)

y² = (25/6) ft² . . . . . . . matches choice C

8 0

3 years ago

Find the value of x<br> -3x - 5 = 16

Kazeer [188]

Answer:

x=-7

Step-by-step explanation:

so if you multiply two negative numbers you get a positive and and -7 * -3 is just doing 3*7 which is 21 and that is the answer to -3*-7 and 21 minus 5 is 16 so there´s that and hope this helps

6 0

3 years ago

4x+3x-5x-5+5x+5x-x3+x2-8x+2x+7-5x

Yuri [45]

1.) Group like terms: 4x+3x-5x+5x+5x-3x+2x-8x+2x-5x-5+7

2.) Add similar elements: = 4x+3x-5x+5x+5x-3x+2x-8x+2x-5x=0

3.) =-5+7

4.) Add/Subtract the numbers: -5 + 7 = 2

<u>Your Answer: 2</u>

5 0

3 years ago

Math! :( no links answer correct for brainliest!

dem82 [27]

90 squareroot 2
In decimal form it’s 127.27922

4 0

3 years ago

Use the given information to find the exact value of the trigonometric function

eimsori [14]

$\begin{gathered} \csc \theta=-\frac{6}{5} \\ \tan \theta>0 \\ \cos \frac{\theta}{2}=\text{?} \end{gathered}$

Half Angle Formula

$\cos \frac{\theta}{2}=\pm\sqrt[\square]{\frac{1+\cos\theta}{2}}$ $\tan \theta>0\text{ and csc}\theta\text{ is negative in the third quadrant}$ $\begin{gathered} \csc \theta=-\frac{6}{5}=\frac{r}{y} \\ x^2+y^2=r^2 \\ x=\pm\sqrt[\square]{r^2-y^2} \\ x=\pm\sqrt[\square]{6^2-(-5)^2} \\ x=\pm\sqrt[\square]{36-25} \\ x=\pm\sqrt[\square]{11} \\ \text{x is negative since the angle is on the 3rd quadrant} \end{gathered}$ $\begin{gathered} \cos \theta=\frac{x}{r}=\frac{-\sqrt[\square]{11}}{6} \\ \cos \frac{\theta}{2}=\pm\sqrt[\square]{\frac{1+\cos\theta}{2}} \\ \cos \frac{\theta}{2}is\text{ also negative in the 3rd quadrant} \\ \cos \frac{\theta}{2}=-\sqrt[\square]{\frac{1+\frac{-\sqrt[\square]{11}}{6}}{2}} \\ \cos \frac{\theta}{2}=-\sqrt[\square]{\frac{\frac{6-\sqrt[\square]{11}}{6}}{2}} \\ \cos \frac{\theta}{2}=-\sqrt[\square]{\frac{6-\sqrt[\square]{11}}{12}} \\ \\ \end{gathered}$

Answer:

$\cos \frac{\theta}{2}=-\sqrt[\square]{\frac{6-\sqrt[\square]{11}}{12}}$

Checking:

$\begin{gathered} \frac{\theta}{2}=\cos ^{-1}(-\sqrt[\square]{\frac{6-\sqrt[\square]{11}}{12}}) \\ \frac{\theta}{2}=118.22^{\circ} \\ \theta=236.44^{\circ}\text{ (3rd quadrant)} \end{gathered}$

Also,

$\csc \theta=\frac{1}{\sin\theta}=\frac{1}{\sin (236.44)}=-\frac{6}{5}\text{ QED}$

The answer is none of the choices

7 0

1 year ago

Rewrite this division expression as an equivalent multiplication expression. 9/4 divided by 7/5 ​

Rewrite this division expression as an equivalent multiplication expression. 9/4 divided by 7/5