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Westkost [7]
3 years ago
11

-4x+7=2y-3what's the answer?

Mathematics
1 answer:
Vinil7 [7]3 years ago
7 0
1/2×(5-y) hope this helps
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Perform the indicated operation 1. (12 + 3) - 7 = N
lubasha [3.4K]

Answer:

N = 8

Step-by-step explanation:

(12 + 3) - 7 = N

=> N = (12 + 3) - 7

=> N = 15 - 7

=> N = 8

8 0
3 years ago
A young equestrian loved to ride her horse all day long, dreaming of the day she would ride in the Kentucky Derby. One day in ea
Vsevolod [243]
The first step is:
- determine how far from the house is young equestrian at noon. 
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15 t = 20 + 10 t
15 t - 10 t = 20
5 t = 20
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t = 4 hours
Answer: at 4:00 PM. 
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4 years ago
Solve for x. Each figure is a trapezoid. # 18 has a midsegment.<br> 13)
Vanyuwa [196]

<u>Question 13</u>

<u />{12x+2}=\frac{18+34}{2}\\\\12x+2=26\\\\12x=24\\\\x=\boxed{2}

<u>Question 14</u>

Base angles of an isosceles trapezoid are congruent, so:

73x+1=74\\73x=73\\x=\boxed{1}

3 0
2 years ago
In a​ volcano, erupting lava flows continuously through a tube system about 11 kilometers to the sea. Assume a lava flow speed o
Vlada [557]

Answer:

22 hours

Step-by-step explanation:

0.5 km in 1 hr

1 km in 2 hr

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7 0
3 years ago
Question 2 Determine if (x-3) is a factor to the polynomial P(x) = 2x³ +5x²-28x - 15. (3 marks)​
tangare [24]

Answer:

(x - 3) is a factor of P(x)

Step-by-step explanation:

if (x - 3) is a factor of P(x) then P(3) = 0

P(3) = 2(3)³ + 5(3)² - 28(3) - 15

      = 2(27) + 5(9) - 84 - 15

      = 54 + 45 - 99

      = 99 - 99

      = 0

since P(3) = 0 then (x - 3) is a factor of P(x)

3 0
2 years ago
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