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goldfiish [28.3K]
3 years ago
9

SELECT ALL MODELS I WILL GIVE BRAINLIEST 6TH GRADE MATH

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0

Answer:

The first, third, and fourth options are less than 50% shaded.

Step-by-step explanation:

Each model has 100 squares, and if you count the squares, the first, third, and fourth models have less than 50 squares shaded in.

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Simplify (2t)(3t)(t^2)
s2008m [1.1K]

Answer:

6t

Step-by-step

<h2>2t x 3 + x 1t = 6t x 1t = 6t</h2>
7 0
3 years ago
Determine the center and radius of the following circle equation:
-BARSIC- [3]

Answer:

(6, 9 ) and r = 3

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given

x² + y² - 12x - 18y + 108 = 0

Rearrange the x- terms and the y- terms together and subtract 108 from both sides, that is

x² - 12x + y² - 18y = - 108

To obtain standard form use the method of completing the square

add ( half the coefficient of the x and y terms )² to both sides

x² + 2(- 6)x + 36 + y² + 2(- 9)y + 81 = - 108 + 36 + 81

(x - 6)² + (y - 9)² = 9 ← in standard form

with centre = (6, 9 ) and r = \sqrt{9} = 3

7 0
3 years ago
What is the area of the figure?
Orlov [11]

Answer:

  90 in²

Step-by-step explanation:

The figure's area is that of four right triangles, each with legs of 6 in and 7.5 in. The area of each triangle is half the product of the leg lengths, so is ...

  triangle area = (1/2)(6 in)(7.5 in)

Then the area of 4 of those triangles is ...

  figure area = 4 · triangle area = 2(6 in)(7.5 in) = 90 in²

8 0
3 years ago
What is the sum of the interior angles of the polygon shown below?
WARRIOR [948]

Answer:

n = 5

(n-2) X 180

3 x 180

540 degrees

pls mark as brainliest

5 0
3 years ago
Read 2 more answers
If f(x) varies directly with x and f(x) = 72 when x = 6, find the value of f(x) when x = 3.
yaroslaw [1]

Answer:

36

Step-by-step explanation:

Since f(x) varies directly with x, f(x) can be expressed alternatively as \[f(x) = k * x\] where k is a constant value.

Given that f(x) is 72 when the value of x is 6.

This implies, \[72 = k * 6\]

Simplifying and rearranging the equation to find the value of k:

k = \frac{72}{6}

Hence k = 12

Or, \[f(x) = 12 * x\]

When x = 3, \[f(x) = 12 *3 \]

Or in other words, the value of f(x) when x=3 is 36

6 0
3 years ago
Read 2 more answers
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