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Ivenika [448]
3 years ago
8

Christopher bought a new watch at the store when they were having a 20% percent off sale. If the regular price of the watch was

$48 how much did Christopher pay with the discount?
Mathematics
1 answer:
MrMuchimi3 years ago
6 0
$38.40
48 x .2 = 9.6
48 - 9.6 = 38.4 
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An object dropped from a height of 600 feet has a height, h(t), in feet after t seconds have elapsed, such that h(t)=600 - 16t^2
gulaghasi [49]

Answer:

t as a function of height h is  t = √600 - h/16

The time to reach a height of 50 feet is 5.86 minutes

Step-by-step explanation:

Function for height is h(t) = 600 - 16t²

where t = time lapsed in seconds after an object is dropped from height of 600 feet

t  as a function of height h

replacing the function with variable h

h = 600 - 16t²

Solving for t

Subtracting 600 from both side

h - 600 = -16t²

Divide through by -16

600 - h/ 16 = t²

Take square root of both sides

√600 - h/16 = t

Therefore, t = √600 - h/16

Time to reach height 50 feet

t = √600 - h/16

substituting h = 50 in the equation

t = √600 - 50/16

t = √550/16

t= 34.375

t = 5.86 minutes

7 0
3 years ago
1. Solve: -3x + 1 = 7
aksik [14]

Answer:

1. -2 = x

2. 19 = x

3. -22 = b

4. 30 = y

5. -5 = t

Step-by-step explanation:

1. -3x = 6 [-1 to the right side of the equivalence symbol]

2. 5x = 95 [23 to the right side of the equivalence symbol]

3. ᵇ/₂ = -11 [23 to the left side of the equivalence symbol]

4. ⅓y = 10 [7 to the right side of the equivalence symbol]

5. -2t = 10 [13 to the right side of the equivalence symbol]

I am joyous to assist you anytime.

7 0
3 years ago
2<img src="https://tex.z-dn.net/?f=%20%203%5E%28x%2B7%29%20%3D%20%209%5E%28x-1%29" id="TexFormula1" title=" 3^(x+7) = 9^(x-1)"
DaniilM [7]
3(x + 7) = 9(x - 1)
3(x) + 3(7) = 9(x) - 9(1)
  3x + 21 = 9x - 9
<u>- 3x          - 3x     </u>
          21 = 3x - 9
        <u>+ 9         + 9</u>
         <u>30</u> = <u>3x</u>
          3      3
         10 = x
4 0
3 years ago
CAN AN EXPERT&lt; ACE&lt; MODERATOR OR GENIUS HELPP ME WITT THIS PLSSSSSSSSSSSSSS!!!!!!!!!!!!!!!!!!!!!!!!
elena-14-01-66 [18.8K]

Answer:

I think degree means the highest exponent, so wouldnt it be 8?

3 0
3 years ago
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What is the largest number? 32%, 0.2, 2/5, 55%
n200080 [17]

Answer:

32% is the largest one

Step-by-step explanation:

please mark brainliest :) hope it helps :)

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