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UNO [17]
3 years ago
7

(3)/(4)x-3=(2)/(5) write this without fractions

Mathematics
1 answer:
Juliette [100K]3 years ago
4 0

<u>3x -17</u>

4   -5 =0

<u>3(x-4)=2</u>

4          5

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***please answer***
velikii [3]

Answer:

The quadratic function that model the situation is

h(t) = - 16 t² + 68 t + 12

Step-by-step explanation:

The formula of the distance for free fall of an object is h(t) - h(0) = ut + \frac{1}{2} at², where

  • h(t) is the height of the object in feet after t seconds
  • u is the initial velocity of the object
  • a is the acceleration of gravity in feet per second²

Jamie throws a ball into the air with an initial upward velocity of 68 feet per second from a height of 12 feet

∵ The initial velocity is 68 feet/second

∴ u = 68

∵ The initial height is 12 feet

∴ h(0) = 12

- The acceleration of gravity is about - 32 feet/sec² (the direction

    of motion is upward)

∴ h(t) - 12 = 68 t + \frac{1}{2} (-32) t²

- Add 12 to both sides

∴ h(t) = 68 t - 16 t² + 12

- Arrange the terms from greatest power of t

∴ h(t) = - 16 t² + 68 t + 12

The quadratic function that model the situation is

h(t) = - 16 t² + 68 t + 12

8 0
3 years ago
I need alittle help with this,<br><br> 9x-5y+3x+2y-4y-y​
kobusy [5.1K]

Answer:

12x - 8y

Step-by-step explanation:

9x - 5y + 3x + 2y - 4y - y​

9x + 3x - 5y + 2y - 4y - y

12x - 8y

4 0
3 years ago
Read 2 more answers
Identify properties used in each step in rewriting the polynomial expression below: (x + 5) + 3(a + (6x)y) Step 1: (5 + x)+3(a +
8090 [49]
In step 1, the commutative property of addition is used since x + 5 is just equal to 5 + x
In step 2, the associative property of addition is used since x is grouped to the last term.
In step 3, the distributive property of multiplication is used since 3 is multiplied to the terms inside the parenthesis. 
In step 4, multiplication is done.
5 0
3 years ago
A scale model of a human heart is 16ft long. The scale is 32:1. How many inches long is the actual heart it represents?
melisa1 [442]
0.5 or 6 inches
The model=32
Actual size=1

32/1= 16/?
  If 32 is 1 foot which equals 12 inches, and 16 is half of  32, then 16 is 0.5 inches or 6 inches
4 0
3 years ago
PPPPPPPPPPPPPPLLLLLLLLLLLLEEEEEEEEEEEEEEAAAAAAAAAAASSSSSSSEEEEEEE
Black_prince [1.1K]

Answer:

Theres no picture?

Step-by-step explanation:

8 0
3 years ago
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