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ycow [4]
3 years ago
12

HEP HELP IT WOULD MEAN SOMETHING TO ME FIND THE AREA OF THE BLUE SHADED REGION

Mathematics
2 answers:
jeka943 years ago
8 0
The rectangle they created has an area of 20*36=720
but you need to subtract the half circle area so use pi * r ^2
pi(18)^2pi = 324pi 
half this area for the circle because only half of the circle is in the rectangle area we found.
so then 720 - (162pi) = blue shaded area
leva [86]3 years ago
3 0
Area of the rectangle:720
area of half circle:254.34
720-254.34=465.66
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Please explain and solve!!! You won't get points unless you explain!!!
konstantin123 [22]
Area of a rectangle of length L and width W is A = LW.

Here, A = 60 ft^2 = (12 ft)(2x-3  ft).  Let's find the values of x for which the area =60 ft^2, and then the values of x for which the area is greater than 60 ft^2.

60 = 12(2x-3) becomes 5 = 2x - 3 after dividing both sides by 12.

Adding 3 to both sides of this last equation results in 8 = 2x, so x = 4.

Does (12 ft)(2[4 ft] - 3) = 60?  Does (12 ft)(5 ft) = 60 sq ft?  YES.

The area of this rectangle will be greater than 60 sq ft if x>4 ft.  (answer)
4 0
3 years ago
Laura sells beaded necklaces each large necklace sells for $6.80 and each small necklace sells for $5.10 how much will she earn
Alex Ar [27]

Answer:

25.5

Step-by-step explanation:

3 large necklaces equals 20.4 plus 5.10 equals 25.5

8 0
3 years ago
nick has to build a brick wall. Each row of the wall requires 6/2 bricks. There are 10 rows in the wall. How many bricks will ni
alex41 [277]

Answer:

D. 10 x 6/2

Step-by-step explanation:

each row = 6/2

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5 0
3 years ago
Use the T-table below to determine 3 solutions to this equation: y = 2x
Jet001 [13]
The table is attached as a figure

The given equation is ⇒⇒⇒⇒ y = 2x
To solve this equation, we need to pick numbers from the table then this number will be substituted into the equation to find y
we need 3 solutions . so, we need to pick 3 numbers of x
From the table, let us choose x = 0
y = 2x
y = 2 * (0)
y = 0

From the table, let choose second value of x such as x = 1
y = 2 * (1)
y = 2

From the table, let choose third value of x such as x = -1
y = 2 * (-1)
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So, the picked three solutions are
y = 0  at   x = 0
y = -2  at  x = -1
y = 2 at  x = 1



3 0
3 years ago
Factor the Polynomial by solving x^2 + bx + c = 0.<br><br> m^2 - mv - 56v^2
marissa [1.9K]

Factor the Polynomial by solving x^2 + bx + c = 0.

m^2 - mv - 56v^2

Factor by grouping.

(m−8v)(m+7v).

x^2 + bx + c = 0

x=\frac{-a+\sqrt{a^{2-4c} } }{2} , x=\frac{-a-\sqrt{a^{2-4c} } }{2}

7 0
3 years ago
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