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Bumek [7]
3 years ago
15

Express the area of each figure as a monomial. Solve 7x^4 if the formula is s^2.

Mathematics
1 answer:
loris [4]3 years ago
5 0
The figure given was a circle with a radius = 7x^4

Area of a circle = π r²

Area of a circle = 3.14 * (7x^4)²
Area of a circle = 3.14 * 7² * x^(4*2)
Area of a circle = 3.14 * 49 * x^8
Area of a circle = 153.86x^8

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Please help me in this question.
snow_lady [41]

Answer:

Step-by-step explanation:

(i) Area of ABCD = (base1+base2)*height/2

                           = (6+12)*4/2 = 36 cm2

(ii) Volume = Area of ABCD * length = 36 * 25 = 900 cm3

(iii) Total SA = Area of ABCD *2 + 25*5*2 + 6*25 + 12*25

                    = 72                         + 250      + 150   + 300

                    = 772cm2

3 0
3 years ago
Please help me out!!!
professor190 [17]

Answer:

<u>416 square centimeters</u>

Step-by-step explanation:

Formula for finding area of a trapezoid :

<u>A = 1/2 x (a + b) x h</u>

  1. a and b = parallel sides of the trapezoid
  2. h = height of the trapezoid

Solving :

  • A = 1/2 x (38 + 14) x 16
  • A = 8 x 52
  • A = <u>416 square centimeters</u>
3 0
2 years ago
Read 2 more answers
How do you sketch the graph of y=(x 3)^2 6 and describe the transformation?
mr_godi [17]
This graph is a Quadratic Graph meaning it is a "U" shape. I am unable to help with the transformations since I am unaware of the signs in the problem. But I hope I helped
4 0
3 years ago
X^2+4y^2=36 the lenght of the major axis is?
musickatia [10]

Answer:

Step-by-step explanation:

x² + 4y² = 36

divide by constant

x²/36 + y²/9 = 1

x²/6² + y²/3² = 1

6>3, so length of major axis is 2×6 = 12

4 0
3 years ago
Find the x- and y-intercepts of the line<br> (-6.-6), (2, -4)<br> The x-intercept is
Marianna [84]

Answer:

x-int = 18

y-int = -9/2

Step-by-step explanation:

Use slope-intercept form y=mx + b

To find the slope, substitute the two points into the slope formula and solve.

m  = \frac{y2 - y1}{x1 - x1} \\m  = \frac{-4 - (-6)}{2 - (-6)} \\m = \frac{2}{8}\\m= \frac{1}{4}

Substitute a random point (2,-4) and m=1/4 into slope-intercept form

y = mx+b

-4 = 1/4 (2) + b

-4 = 2/4 + b

-4 = 1/2 + b

Isolate b to solve

b = -4 - 1/2

b = -8/2 - 1/2

b = -9/2    <= this is the y-intercept

b is the y-intercept in slope-intercept form

Substitute b= -9/2 and m=1/4 to get the equation of the line.

y = 1/4 x - 9/2

Substitute y for 0 to find the x intercept

y = 1/4 x - 9/2

0 = 1/4 x - 9/2

9/2 = 1/4 x

x = (9/2) / (1/4)

x = (9/2) X (4/1)

x = 36/2

x = 18

4 0
3 years ago
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