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NemiM [27]
3 years ago
9

a recent study shows that people spend about 31% of their time asleep. About how much time will a person spend asleep during an

average of 78-year lifetime
Mathematics
1 answer:
makvit [3.9K]3 years ago
6 0

Answer:

78×31%= approximately 24 years

Step-by-step explanation:

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a friend is having trouble with exponents and asks you to review some worked probelems look over the problems and correct any mi
Stella [2.4K]

We have the following expression:

2x^2y\cdot3x^5y^2

By combining similar terms, we get

2\cdot3\cdot x^2\cdot x^5\cdot y\cdot y^2

now, 2 times 3 is 6 and to add exponents, both the exponents and variables should be alike:

x^2\cdot x^5=x^{2+5}=x^7

Similarly,

y\cdot y^2=y^{1+2}=y^3

Therefore, the answer is

6x^7y^3

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1 year ago
What is the intersection of plane TUYX and plane VUYZ?
defon
Answer is UY Because they both connect her causing an intersection


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2 years ago
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For a quadratic equation where: 2++=0
otez555 [7]

Answer:

Solutions will be unreal

Step-by-step explanation:

Given the quadratic equation ax^2+bx+c

The discriminant of the function determines its nature of its root

Discriminant D = b^2-4ac

If D <0, it shows that the roots of the equation will be a complex value. since D is less than 0 and the square root of a negative number does not exist. Hence, the solutions will be unreal

3 0
2 years ago
Read my name to understand this?
Molodets [167]

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Step-by-step explanation:

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2 years ago
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PLEASE HELP<br><br> Which of the following is the inverse of f(x)=3-x/5
BabaBlast [244]

Answer:

f^-1(x) = 3 - 5x, second option

Step-by-step explanation:

To determine the inverse simply interchange the variables and solve for y;

f(x) = 3 - x / 5 -> Interchange the variables

x = 3 - y/5 -> Multiply either side by 5

5x = 3 - y -> Subtract three from either side

- y = 5x - 3 -> Divide either side by - 1

y = - 5x + 3

Your solution is f^-1(x) = 3 - 5x

8 0
3 years ago
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