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Masteriza [31]
3 years ago
9

WILL MARK BRAINLEIST ANSWER 15 POINTS

Mathematics
1 answer:
ira [324]3 years ago
8 0
Top left: parallel
Top right: perpendicular
Bottom left and right: intersecting
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You can work at most 20 hours next week. You need to earn at least $92 to cover your weekly expenses. Your dog-
kicyunya [14]

Answer:

x+y  ≤ 20

7.50x+6y ≥ 92

x = dog walking in hours

y = car washing in hours

3 0
3 years ago
PLZZZZZZZZZZZZZ HELP MEE
user100 [1]

Answer:

it's B

Step-by-step explanation:

2/8 = 1/4 = 0.25

1/2=0.5

0.5>0.25

so (1/2)>(1/4)

7 0
3 years ago
Find the area of the regular 20​-gon with radius 77 mm.
butalik [34]
The area of a polygon equals
area = circumradius² * number of sides * sin (360 / # of sides) / 2
area = 77² * 20 * sin (360 / 20) / 2
area = 77² * 20 * sin (18) / 2
area = 118,580 * 0.30902 / 2
area = <span> <span> <span> 36,643.59 </span> </span> </span> / 2
area = 18,321.8 square millimeters


3 0
3 years ago
What are the solutions of the equation (x-3)2 + 2(x – 3) - 8= 0? Use u substitution to solve.
astraxan [27]

Answer:

x = - 1 and x = 5

Step-by-step explanation:

Given

(x - 3)² + 2(x - 3) - 8 = 0

Let u = x - 3, then

u² + 2u - 8 = 0 ← solve for u

(u + 4)(u - 2) = 0 ← in factored form

Equate each factor to zero and solve for u

u + 4 = 0 ⇒ u = - 4

u - 2 = 0 ⇒ u = 2

Convert back to x, that is

x - 3 = - 4 ( add 3 to both sides ) ⇒ x = - 1

x - 3 = 2 ( add 3 to both sides ) ⇒ x = 5

5 0
3 years ago
Read 2 more answers
Solve for p in the literal equation 4p + 7r = 4.<br> P =
kiruha [24]

Answer:

p= 1-7r/4

hope this helps

5 0
3 years ago
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