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dexar [7]
3 years ago
10

Helppp meee!!!!!!!!!!

Mathematics
1 answer:
swat323 years ago
4 0
C because 180-230 would be negative b as well as three quarters of seven
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vredina [299]
Y = 2x + 3
y = -8x + 3
7 0
3 years ago
What is true about the dilation?
OlgaM077 [116]

Answer:

<h2>pretty sure its A sorry if its wrong  </h2>

Step-by-step explanation:

5 0
3 years ago
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This figure is made up of a quadrilateral and a semicircle.
Arturiano [62]

Answer:

The correct option is B. The area of the figure is 40.4 units².

Step-by-step explanation:

The line AB divides the figure in two parts one is a rectangle and another is semicircle.

The distance formula is

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The length of AB is

AB=\sqrt{(2+3)^2+(4-2)^2}=\sqrt{25+4}=\sqrt{29}

The length of AD is

AD=\sqrt{(-1+3)^2+(-3-2)^2}=\sqrt{4+25}=\sqrt{29}

Since AB=AD, therefore ABCD is a square. The area of the of square is

A_1=a\times a=\sqrt{29}\times \sqrt{29} =29

The area of square is 29 units².

The area of a semicircle is

A_2=\frac{\pi}{2}r^2

Since AB is the diameter of the semicircle, therefore the radius of the semicircle is

r=\frac{d}{2}=\frac{\sqrt{29}}{2}

The area of the semicircle is

A_2=\frac{3.14}{2}(\frac{\sqrt{29}}{2})^2=40.3825

The area of the figure is

A=A_1+A_2=29+11.2825=40.3825\approx 40.4

Therefore the area of the figure is 40.4 units². Option B is correct.

5 0
3 years ago
Expand to write an equivalent expression: -14(-8x+12y)
makkiz [27]

Answer:

an equivalent expression: -14(-8x+12y)=112x-168y

factor of an equivalent expression: 36a−16=4(9a-4)

8 0
3 years ago
Solve for y. 2/(y+3)= 3/(3y+9)
AfilCa [17]

Answer:

y= -3

Step-by-step explanation:

<u>Multiply all terms by the same value to eliminate fraction denominators:</u>

2/y +3 = 3/3y + 9

(3y+9) (y+3) (2/y+3) = (3y +9) (3/3y+9)

<u>Simplify:</u>

6 + 1 8 = 3 + 9

<u>Subtract  18 from both sides of the equation:</u>

6y +18 =3y +9

6y+18 -18 =3y +9 -18

<u>Simplify Again: </u>

6y +3y-9

<u>Subtract  3y from both sides of the equation:</u>

6y =3y -9

6y-3y = 3y -9 -3y

<u>Answer:</u>

y= -3

7 0
2 years ago
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