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nydimaria [60]
3 years ago
7

Can someone explain how to solve this

Mathematics
1 answer:
o-na [289]3 years ago
7 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

The equivalent expression is ~

\boxed{ \boxed{ {y}^{  - \frac{3}{2} } } }

\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}

Let's solve ~

  • \dfrac{1}{y \sqrt{y} }

  • \dfrac{1}{y {}^{1} \times y {}^{ \frac{1}{2} }  }

  • \dfrac{1}{ {y}^{1 +  \frac{1}{2} } }

  • \dfrac{1}{y {}^{ \frac{3}{2} } }

  • {y}^{ -  \frac{3}{2} }

now, it's in the form of {y}^{k}, where k = -\dfrac{3}{2}

I hope it helped ~

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What transformations are represented by the following coordinate graphing? (geometry)
Minchanka [31]

Answer:

(a,b) → (a,-b) : Reflection about x axis.

(a,b) → (a, b+5) : Translation of the point by 5 units up.

(a,b) → (b,-a) : Rotation by 90 degree clockwise.

Step-by-step explanation:

Given:

The transformation of points are given as:

(a,b) → (a,-b)

(a,b) → (a, b+5)

(a,b) → (b,-a)

Now, let us consider each transformation one by one.

(1) (a,b) → (a,-b)

Here, the order of the coordinates has not changed. But, the y coordinate of the point has changed. The y coordinate was 'b' and it has changed only its sign but not value. So, it is a transformation related to reflection.

In reflection, only the sign changes. Since, the 'y' coordinate sing is reversed, so, it is a reflection about x axis.

(2) (a,b) → (a, b+5)

Here, the 'y' coordinate of the point has changed. The change is from 'b' to 'b+5'. So, 5 is added to the y coordinate. As per transformation rules, if a positive number 'C' is added to the y coordinate, then the point shifts vertically up by 'C' units. Hence, there is a translation of 5 units up here.

(3) (a,b) → (b,-a)

Here, the 'x' and 'y' coordinates interchange their values and also the new y coordinate has its sign reversed. This happens in rotation.

We know that, (x, y) → (y, –x) is true when there is rotation by 90 degree clockwise.

So, the point (a,b) → (b,-a) is rotated by 90 degree clockwise.

5 0
3 years ago
Eli read four more biographies than historical fiction book during the semester. He also read two fewer mysteries than historica
9966 [12]

Answer: Eli read 3 historical fiction books , 7 biographies and 1 mystery book.

Step-by-step explanation:

Let x be the number of historical fiction books Eli read.

Then, Number of biographies he read = x+4

Number of mysteries he read = x-2

If he read a total of eleven books during the semester , then we have the following equation :

x+x+4+x-2=11

\\\\\Rightarrow\ 3x+2=11

\\\\\Rightarrow\ 3x=9  (Subtract 2 from both sides )

x=3  (Divide both sides by 3)

Therefore , Number of historical fiction books Eli read = 3

Number of biographies he read = 3+4=7

Number of mysteries he read =3-2=1

Hence, Eli read 3 historical fiction books , 7 biographies and 1 mystery book.

6 0
3 years ago
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What is the quotient of<br> 8.5<br> ——-<br> -0.5<br><br> A. O -17<br> B.1.7<br> C.17<br> D. -1.7
NARA [144]

Answer:

the answer is A) -17

all you need to do is divide 8.5 ÷ -.5 to get -17

4 0
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30 points!! Help please!!! Will give Brainliest!!! MATH!!! Hurry!!
aleksley [76]

We have the perimeter of a base P = 20".

We have five congruent rectangles that together form a large rectangle

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4 years ago
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Allisa [31]

Answer:

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Step-by-step explanation:

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