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Reptile [31]
3 years ago
13

Which expression is equivalent to 15x^-3z^5/3x^7z^-5 please answer spr fast

Mathematics
2 answers:
ratelena [41]3 years ago
6 0

Answer:

Step-by-step explanation:

Answer:

5^4

Law Incorporation [45]3 years ago
3 0

Answer:

5x^{-10}z^{10

Step-by-step explanation:

Given

\frac{15x^{-3}z^5}{3x^7z^{-5}}

Required

Evaluate

\frac{15x^{-3}z^5}{3x^7z^{-5}}

Start by dividing 15 by 3

\frac{5x^{-3}z^5}{x^7z^{-5}}

Apply the following law of indices on indices x and z

\frac{a^m}{a^n} = a^{m-n

So, the expression becomes:

5x^{-3-7}z^{5-(-5)

5x^{-3-7}z^{5+5

5x^{-10}z^{10

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If a= m2 + 2, what is the value of a when m=-3?<br> 0-7<br> -4<br> 11<br> 00
vladimir1956 [14]

Answer:

a=11

Step-by-step explanation:

a=m2 +2

a= (-3)2+2

a=9+2

a=11

6 0
3 years ago
Can someone help please. Due today.
Bingel [31]

just search it up on the internet

3 0
3 years ago
A cone's height is equal to the radius of its base. The area of its base is 1,386 square units. The approximate radius of the co
maxonik [38]

Answer:

  • 21 units
  • 9702 units³

Step-by-step explanation:

The area of the base is given by the formula ...

  A = πr²

so the radius is ...

  r = √(A/π) = √(1386/(22/7)) = √441 = 21 . . . units

__

The volume is given by ...

  V = (1/3)Bh

where B is the area of the base, and h is the height (equal to the radius). Filling in the numbers, we have ...

  V = (1/3)(1386)(21) = 9702 . . . . cubic units

4 0
4 years ago
Which simplified expression represents the area of the parallelogram
Charra [1.4K]

Answer:

The area of a parallelogram is its base times its height.

Step-by-step explanation:

Area is for 2 dimensional shapes. (Shapes with two dimensions in parallelograms they are often referred to as base times height, or length times width). Area is the space inside a two dimensional object, and to find this use the length and the height to find the space in the 2-D figure.

Side note: Volume is "the area of 3 dimensional figures". Three dimensions meaning Length, Width and Height. So there is no area for 3-D figures. (unless you are using Surface Area)

Hope this Helps!

5 0
3 years ago
The diagonal of a rectangular big screen tv screen measures 152cm. The length measures 132cm. What is the height of the screen?
Firdavs [7]
Hi!
We use the pithagorean theorem: height^2 = 152^2 - 132^2 = 5680;
height = \sqrt{5680}  = 75.36cm;
8 0
3 years ago
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