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larisa86 [58]
3 years ago
9

Write 5,382 in expanded form using exponents

Mathematics
1 answer:
ohaa [14]3 years ago
3 0
(5 x 1000) + (3 x 100) + (8 x 10) + (2 x 1)
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[Probability / Statistics) Twenty families were surveyed. How many have boys only? ​
Snowcat [4.5K]

Answer:

5

Step-by-step explanation:

We start by seeing how many families we have in total, which is 20. We then must subtract the number of families with girls only, the number of families with both boys and girls, and the number of families with no children. 20 - 7 is 13, then 13 - 8 is 5, and 5 - 0 is 5.

8 0
3 years ago
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If the graph of f(x)=4ed. 1x is blue, then the graph of f(x) - 4(1+0,1) is
Artyom0805 [142]

Answer:

The answer is C. Red

Step-by-step explanation:

4 0
3 years ago
Please help! ONLY REAL ANSWERS. You will get reported and points taken away if you answer falsely or “idk the answer).
adoni [48]

Answer:

  A quadratic function generally does not have an inverse except on a restricted domain. If the domain of the <em>original</em> function is restricted to x ≥ 0, then the inverse function is ...

  f^{-1}(x)=\displaystyle\sqrt{\frac{x-4}{5}}

Step-by-step explanation:

Start by interchanging x and "y", then solve for y.

  y = 5x² +4 . . . . . . given

  x = 5y² +4 . . . . . . with x and y interchanged

  x -4 = 5y² . . . . . . subtract 4

  (x -4)/5 = y² . . . . . divide by 5

  √((x -4)/5) = y . . . take the square root . . . . x ≥ 4, y ≥ 0

Then, ...

  f^{-1}(x)=\displaystyle\sqrt{\frac{x-4}{5}}

_____

The graph shows the original f(x) and the "inverse", called f1(x). Note that it is only a reflection across y=x of the right half of the original function. That is, the inverse only exists for the original function when its domain is restricted to x ≥ 0. (The domain of the inverse function is x ≥ 4.)

4 0
3 years ago
Solve the following<br><br> NO BOTS!
Grace [21]

Answer:

75/-3 = -25

Step-by-step explanation:

Numerator: -5^2 + 10^2 = 75

-5^2 = -25, since the minus sign is not in parentheses with the 5, it does not get squared so the negative is added on to five squared which is 25.

10^2 = 100,

-25 + 100 = 75

Denominator: (2 x (-5) x 3) + 3^3 = -3

2 x (-5) x 3 = -30, we can simply multiply these all together so 2 x -5 is -10, and -10 x 3 = -30

3^3 = 27, 3^3 = 3 x 3 x 3, which multiplied all together, 3 x 3 = 9, 9 x 3 = 27

-30 + 27 = -3

Total Fraction = 75/-3  

Simplified = -25

4 0
3 years ago
5. You bought a $300.00 TV, a laptop for $800.00 and a digital camera for $249.99.The sales tox rate is 5.55 a) What's the total
Nastasia [14]

Answer:

a) $800+$300+$249.99=$1,349.99

b) 5.55% * 1349.99= $74.92

c) $74.92 + $1,349.99 = $1,424.91

3 0
3 years ago
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