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LiRa [457]
3 years ago
12

Find the area and perimeter or circumference of each figure:

Mathematics
2 answers:
Rus_ich [418]3 years ago
5 0
A) area: 3^2pi = 9pi cm or 28.27 cm
Perimeter/ circumference: 2*3pi = 6pi cm or 18.85 cm
b) 10/2 = 5 (radius)
area: 5^2pi = 25pi feet or 78.54 feet
Perimeter/circumference: 2*5pi = 10pi feet or 31.42 feet
Vera_Pavlovna [14]3 years ago
4 0

Do Circumfrence over diameter then add pi? I think

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Also need help on this
Ira Lisetskai [31]
Answer is 0.5
-2 divided by -4 equals 0.5
and same thing for the rest of the equation.
8 0
3 years ago
Read 2 more answers
Write the equation in standard form<br><br> y = -10x + 6
Mumz [18]
Step (1) Flip the equation

−10x+6=y


Step (2) Add -6 to both sides

−10x+6+−6=y+−6

−10x=y−6

Step (3) Divide both sides by -10

−10x−10=y−6−10

ANSWER
x =  \frac{ - 1}{10} y +  \frac{3}{5}
5 0
3 years ago
examine the variety of shapes below if a shape has shading then find the area of the Shaded region ​
Svetach [21]

<em>only the last figure (i.e figure e) is shaded </em>

The shaded region is a triangle

Area of a triangle

= ½ × b × h

= ½ × 14 × 5

= ½ × 70

= 35yd²

6 0
3 years ago
Write a linear function with the values (-1,8) and (5,6)
valentina_108 [34]

Let the function be y = ax + c.

For (-1,8), 8 = a(-1) + c → 8 = - a + c

For (5,6), 6 = a(5) + c → 6 = 5a + c

Subtract one from abother,

2 = - 6a => - 1/3 = a

Hence, 8 = - 1/3 + c → 23/3 = c

Relation is:

y = (-1/3)x + (23/3)

3y = - x + 23

3y = 23 - x

8 0
4 years ago
Simplify the following expression. Write the resulting polynomial in descending order.
Inessa [10]

Answer: 4x² + x - 2

Step-by-step explanation: First distribute the -2x into (1-3x) which = -2x + 6x²

Now let's work on the second part:

Distributing (2x + 3) to (3x - 2) = 6x² - 4x + 9x - 6. Combining like terms: 6x² - 4x + 9x - 6 --> 6x² + 5x - 6. Now let's combine the like factors of our two equations which equals

12x² + 3x - 6. Now reduce by dividing by 3 which gives us the final answer of:

4x² + x - 2.

7 0
4 years ago
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