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ella [17]
3 years ago
8

Evaluate the expression for ((8x^2)^2/(2y^3)4)^-1 for x=2 and y=-1

Mathematics
1 answer:
Tatiana [17]3 years ago
7 0
Here is the answer. Please give me brainliest

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The numbers of pencils in joes backpack is 5 more than the number of pencils in sara's backpack.if joe has 8 pencils in his back
Basile [38]
The answer would be 3 more

7 0
3 years ago
Pls answer and explain how you got it - i will mark brainliest<br> (just answer #28)
Akimi4 [234]

Answer:

5 x^2 y^ (-3) z = ?

Step-by-step explanation:

We know the volume of a rectangular prism is given by

V = l*w*h

V = 2x^2 * y^-2 * ?

We are given the volume

V =10x^4 y^-5 z

Set  the two equal

10x^4 y^-5 z = 2x^2 * y^-2 * ?

Divide each side by 2x^2 y^-2

10x^4 y^-5 z /2x^2 y^-2 = 2x^2 * y^-2 * ?/2x^2 * y^-2

10x^4 y^-5 z/ 2x^2 y^-2 = ?

Simplifying

10/2  * x^4/x^2  y^-5/ y^-2  z = ?

We know that a^b/ a^c = a^(b-c)

5 x^ (4-2) y^(-5 - -2) z = ?

5 x^2 y^ (-5 +2) z = ?

5 x^2 y^ (-3) z = ?

4 0
3 years ago
Read 2 more answers
The perimeter of a television screen is 94 inches it is 17 inches tall how wide is it
Nadya [2.5K]
<h3>Answer:  30 inches</h3>

==========================================================

Explanation:

x = unknown width

For this rectangle, there are 2 sides of length x, and 2 sides of length 17.

The perimeter is P = 2x+2*17 = 2x+34

Set this equal to the given perimeter (94) and solve for x.

2x+34 = 94

2x = 94-34

2x = 60

x = 60/2

x = 30

The TV is 30 inches wide

5 0
2 years ago
Plz help me well mark brainliest if correct!!...
Nata [24]
Answer:
a) 103

explanation:
it occurred the most in the stem & leaf plot (3 times)
4 0
3 years ago
20 POINTS!! ASAP! PLS SHOW WORK!! TYY
astra-53 [7]

Step-by-step explanation:

<u>From the figure</u> :

Cos 57° = 19.3 / AB

AB = 19.3 / 0.54

<u>AB = 35.74 cm</u>

7 0
3 years ago
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