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aleksklad [387]
3 years ago
6

Write an expression equivalent to -12/27 (it is a fraction)

Mathematics
1 answer:
rusak2 [61]3 years ago
6 0
-4/9 is simplified of -12/27
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Alicia needs to waterproof her house’s back deck, which is 18 feet by 5 feet. The waterproof coating costs $6 for a can that cov
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Step-by-step explanation:

18 × 5 = 90

90%30=3

3×6=18

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2 years ago
A fireworks display is launched from a platform 10 feet above ground with an initial upward velocity of 70 feet per second. The
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Answer: A. 87 feet


Step-by-step explanation:

1. You can find the t value of the vertex of the parabola as following:

t=-\frac{b}{2a}

2. Substitute values:

a=-16

b=70

Then:

 t=-\frac{70}{2(-16}

t=2.18

3. Substitute the vaue obtained into the equation given in the problem. Therefore, you obtain the following result:

h=-16t^{2}+70t+10\\h=-16(2.18)^{2}+70(2.18)+10\\h=86.56

4. To the nearest foot:

h=87 feet

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2 years ago
What is the period of the function F(x) = -4sec (1/2 x)
serg [7]

Answer:

A) 4π

Step-by-step explanation:

The period of a secant function, f(x)=a*sec(bx+c)+d, is defined as 2π/|b| where b is the distance of the period. Since we know b=1/2 given by the function, then the period is 2π/|1/2|=2π/(1/2)=2π(2/1)=4π.

8 0
3 years ago
By what number should 9 4upon5 be multiplied to get 42 ​
kondaur [170]

Answer:

4 2/7

Step-by-step explanation:

  • x * 9 4/5 = 42
  • x * 49/5 = 42
  • x = 42 : 49/5
  • x = 42 * 5/49
  • x = 30 /7
  • x = 4 2/7
7 0
3 years ago
Graph the line.<br> y=x-8<br><br> please hurry, 15 points
GarryVolchara [31]

Answer:

graph your y intercept at negative 8 and then continue to go up one right one

7 0
3 years ago
Read 2 more answers
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