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1 year ago

Can someone help me with this please :)))

Mathematics

2 answers:

Inessa [10]1 year ago

7 0

Answer : 58 square units.

Tip : break the shape down into shapes you can easily find the area of.

I found the area of the two squares on the bottom
They are identical and are both 2 units tall and two units long giving, giving an area of 4, and since there are two of them you can multiply the are by two giving you 8
Next found the area of the remaining shape which is just a rectangle that excludes the two bottom squares which is 10 units long and 5 units tall multiplying to 50
50+8=58

natita [175]1 year ago

7 0

Answer:

Step-by-step explanation:

there are three rectangles so find out each one individuallly and add together. Area method is base times height.

so you'll have 14, 14 and 30 and together add to 58

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How many cm more than 2 m is the perimeter of a regular hexagon of side 35 cm?

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2 years ago

Divide p(x)=x^3-4x^2+x+6 by (x-3). Find the remainder and the quotient.

klemol [59]

Answer:

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2 years ago

How to solve this problem?

valentinak56 [21]

Very nice handwriting but the math and English are confusing.

Let's assume we're told

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2$

The subscript is important.

I think we're told the similar sum with 11 gives the smallest possible value for the sum. This is a rather cagey way of telling us 11 is the mean of the nine points. The mean is the number which minimizes the sum of squared deviations.

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2 = \sum x_i^2 - 20 \sum x_i + 9(100)$

$\displaystyle \sum x_i^2= 20 \sum x_i - 900$

If 11 is the mean, the sum of the points is 9(11)=99.

$\displaystyle \sum x_i^2= 20 (99) - 900 = 1080$

Answer: 1080

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3 years ago

What is the definition of product of powers property?

Vaselesa [24]

The product of powers rule assists with simplifying exponents. Let's first define some terms as they relate to exponents. When you have a number or variable raised to a power, the number (or variable) is called the base, while the superscript number is called the exponent, or power.

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3 years ago

Please help me ASAP!

Furkat [3]

Answer:

97.94

Step-by-step explanation:

I am going to assume that the circular base is for the cone in the diagram, and the diameter of the base is 5.1. I also have to assume that the cone is a right circular cone.

The answer you want, I think is Volume of the cube - Volume of the cone. If that is not correct, leave me a note.

Volume of the Cube

V_cube = s^3

s = 5.1

V_cube = 5.1^3

V_cube = 132.651 Round at the very end.

Volume of the Cone

V = pi r^2 h/3

pi = 3.14

r = 5.1/2 = 2.55

h = 5.1

V = 3.14 * 2.55^2 * 5.1 / 3

V = 104.131 / 3

V = 34.71

Difference

Difference = 132.651 - 34.71

Difference and answer = 97.94

8 0

2 years ago