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Alexxx [7]
3 years ago
13

Solve the system by substitution. 5x+y=−17 −3x−3y=3

Mathematics
1 answer:
Marianna [84]3 years ago
6 0
The answer for x is -4 and y is 3

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If 2x and (4x+30) are complementary angles. find the angles. Please answer it it's urgent.
Alik [6]

Answer:

20 ,70

Step-by-step explanation:

Complementary angles sum up to 90

2x + 4x + 30 = 90

     6x  + 30 = 90

Subtract 30 from both sides

6x = 90 - 30

6x = 60

x = 60/6

x = 10

2x = 2*10 = 20

4x +30 = 4*10 +30 = 40 +30 = 70

6 0
2 years ago
Read 2 more answers
The Westside dog kennel is Building a circular dog park the length of the fence around the park is approximately 110 feet how mu
vredina [299]
You are basically looking to find the area of a circle 
so to find the area of a circle the formula is  A=pi R sqr
so if you take the radius which is half of the diameter 110 you get 55
you multiply 55*55 and get 3025
you than multiply that by pie and get 
9503.32 if you round 
6 0
2 years ago
I need help asap explain if rational or irrational plz help
7nadin3 [17]

Answer:

ok

Step-by-step explanation:

your question is too long plz make it short i don't have so much time to ans it fully okay?

6 0
3 years ago
Inverse Function:<br> f-¹ (- 3)<br> f(x) = 6x - 12
sp2606 [1]
       f(x) = 6x - 12
          y = 6x - 12
  y + 12 = 6x - 12 + 12
  <u>y + 12</u> = <u>6x</u>
      6         6
¹/₆y + 2 = x
          y = ¹/₆x + 2
     f⁻¹(x) = ¹/₆x + 2
    f⁻¹(-3) = ¹/₆(-3) + 2
    f⁻¹(-3) = -¹/₂ + 2
    f⁻¹(-3) = 1¹/₂
(x, f⁻¹(x)) = (-3, 1¹/₂)
7 0
3 years ago
Evaluate -1/5 ab
cupoosta [38]

Answer:

-3/56

Step-by-step explanation:

-1/5 ab

Let a = 3/7  b = 5/8

-1/5 * 3/7 * 5/8

Rewriting

-1/7 * 3/8 * 5/5

Canceling like terms and multiplying

-3/56

3 0
3 years ago
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