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3 years ago

Z x z x z x z x z what's this?

Mathematics

1 answer:

Leya [2.2K]3 years ago

6 0

Z^5 is the answer because you need to add all the z’s to get a 5 for exponents

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What is a radius in geometry, and what are some examples of it?

mixer [17]

A radius is a straight line from the centre to the edge of a circle. i’m not sure about any examples sorry :/

6 0

2 years ago

Item 16 A sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. What is the difference of the vol

Zigmanuir [339]

Answer:

$672\pi \text{ cm}^3$ .

Step-by-step explanation:

We have been given that a sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. We are asked to find the difference of the volumes of the spheres.

We will use volume formula of sphere to solve our given problem.

$\text{Volume of sphere}=\frac{4}{3}\pi r^3$ , where r is radius of sphere.

The difference of volumes would be volume of larger sphere minus volume of smaller sphere.

$\text{Difference of volumes}=\frac{4}{3}\pi(\text{8 cm})^3-\frac{4}{3}\pi(\text{2 cm})^3$

$\text{Difference of volumes}=\frac{4}{3}\pi(512)\text{ cm}^3-\frac{4}{3}\pi(8)\text{ cm}^3$

$\text{Difference of volumes}=\frac{4}{3}\pi(512-8)\text{ cm}^3$

$\text{Difference of volumes}=4\pi(168)\text{ cm}^3$

$\text{Difference of volumes}=672\pi\text{ cm}^3$

Therefore, the difference between volumes of the spheres is $672\pi \text{ cm}^3$ .

3 0

3 years ago

Identify the scale factor

nydimaria [60]

Answer:

Step-by-step explanation:

k = 4/24 = 1/6

3 0

3 years ago

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Evaluate 48×15^2-5^2×2×24 by using factorisation and algebraic identities.

nikklg [1K]

Step-by-step explanation:

$9600$

This is your answer

4 0

2 years ago

The water level of a river is 170 feet. The river recedes 4 feet each year. Ingrid claims that the equation that represents this

Vladimir [108]

Sample Answer: No, Ingrid is incorrect. The initial value in the scenario is 170 feet, which represents the y − intercept. Receding 4 feet in the scenario represents the rate of change, which is the slope. In slope-intercept form, y = mx + b, where m represents slope and b represents the y−intercept, so the correct equation is y = −4x + 170.

3 0

3 years ago

Read 2 more answers