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Marysya12 [62]
3 years ago
8

Help me simplify the algebraic expression

Mathematics
1 answer:
Molodets [167]3 years ago
3 0
=2ab - 20a -5a +10 -ab - b
= ab - 25a - b + 10
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I need some help finding the volume of a sphere with a diameter of 18.6cm. The website says the answer I got from my calculator
Dahasolnce [82]

Answer:

Volume, V = 3367.6 cm³

Step-by-step explanation:

Given the following data;

Diameter = 18.6 cm

Radius = diameter/2 = 18.6/2 = 9.3 cm

Pie, π = 3.14

To find the volume of the sphere;

Mathematically, the volume of a sphere is given by the formula;

Volume \; of \; a \; sphere = \frac {4}{3} \pi r^{3}

Where;

r is the radius of the sphere.

Substituting into the formula, we have;

V = \frac {4}{3} * 3.14 * 9.3^{3}

V =  4.186666667 * 804.357

Volume, V = 3367.6 cm³

6 0
3 years ago
What is y=-x+6?........
SIZIF [17.4K]

Answer:

Slope = -2/2 = -1

x-intercept = 6/1 = 6

y-intercept = 6/1 = 6

I wasn't sure what you really were asking for, so I did slope, x, and y.

8 0
3 years ago
A circle is the set of all points that are the same distance from one given point. find an example that contradicts this definit
Troyanec [42]

A circle exists as a curve sketched out by a point moving in a plane. The circle's perimeter exists the length of the line of the circle that creates the circle. It exists generally named the circumference of the circle.

<h3>What is a circle?</h3>

A circle exists as a curve sketched out by a point moving in a plane so that its distance from a given point exists constant; alternatively, it exists as the shape created by all points in a plane that exists at a set distance from a provided point, the center.

A.) The statement that rejects this characterization of the circle exists that the given point should be at the circle's center.

B.) An illustration of an indefinite term exists in the perimeter of the circle, The circle's perimeter exists the length of the line of the circle that makes the circle. It exists generally named the circumference of the circle.

To learn more about Circle refer to:

brainly.com/question/11833983

#SPJ4

4 0
1 year ago
Evaluate each expression for the given values: 
IrinaK [193]

B)-18

  1. 7(-3)+(-2(-3))+(-3)
  2. (-21)+(-2(-3))+(-3)
  3. (-21)+6+(-3)
  4. (-24)+6
  5. -18
8 0
3 years ago
3 times a number is 54 less than the square of that number. Find the negative solution.
Pavel [41]

Answer:

x=-6

Step-by-step explanation:

Let x be the number

3x = x^2 -54

Subtract 3x

3x-3x = x^2 -3x-54

0 = x^2 -3x-54

Factor

What 2 numbers multiply to -54 and add to -3

-9*6 = -54

-9+6 = -3

0=(x-9) (x+6)

Using the zero product property

x-9=0    x+6=0

x=9  x=-6

The questions asks for the negative solution

x=-6

3 0
3 years ago
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