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Rufina [12.5K]
3 years ago
14

I need help on this question thanks!! :)

Mathematics
2 answers:
Strike441 [17]3 years ago
6 0
Perimeter = 3y + 7 cm
weeeeeb [17]3 years ago
3 0

Answer:

perimeter = 3y + 7 cm

Step-by-step explanation:

perimeter = y + y + y + 5 = 3y + 7 cm

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The slope of the line below is -5 which of the following is the point-slope form of the line (2,-8)
insens350 [35]
The point slope form has the following syntax.

y - y_1 = m(x - x_1)
m = slope = -5 
y - y_1 = -5(x - x_1)
(x,y) = (2,-8)
x_1 = 2
y_1 = -8
y - y_1 = -5(x - x_1)
y - (-8) = -5(x - 2)
y + 8 = -5(x - 2)  <------Answer

3 0
3 years ago
Does anybody no what is 19+9 is?
Licemer1 [7]
28

step by step
19+9=28
5 0
3 years ago
Read 2 more answers
The mean radius of Main Street Park is 15 km and the mean radius of Uptown Park is 8 km. What is the approximate difference in t
Temka [501]

Step-by-step explanation:

circumference= 3.142*diameter

Diameter of main Street park is 30

Diameter of uptown park is 16

3.142*30=94.26

3.142*16=30.272

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round off to tenth =44.0km

5 0
2 years ago
What is the sum of the roots of the polynomial shown below?<br> f(x) = 3r?+ 12x² + 3x - 18
densk [106]

Answer:

24x+3

Step-by-step explanation:

6 0
2 years ago
Find the value of r (5,9) (r,7) m=-4
jolli1 [7]

Answer:

r = 11/2

Step-by-step explanation:

m = slope

slope, m = (y2 - y1)/(x2 - x1)

-4 = (7 - 9)/(r - 5)

cross multiply

-4(r - 5) = 7 - 9

clearing brackets

-4r + 20 = -2

-4r = -22

r = 22/4 = 11/2

6 0
3 years ago
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