2) Use the rules of exponents to evaluate or simplify. Write without negative exponents. 1 / 4^-2 = ____
Answers
Answer:
16
Step-by-step explanation:
1/4^-2
Express with a positive exponent
4^2
Evaluate the power
Solution: 16
∵
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What's 7/8x4/5? Cmon peeps it's hard
Answers
120 * .70 = 84
84 pounds of blood in the body of an 120 pound person.
Final answer:
The weight of water in a person's body can be determined by multiplying the total body weight by 0.7, since about 70% of the human body is water. So for a person weighing 120 pounds, 120 * 0.7 = 84 pounds of their weight is water.
Explanation:
To determine how much water is in a person's body who weighs 120 pounds, we will have to multiply the total weight of the person by the proportion of the human body that is water. We know that about 70% (or 7/10) of the human body is water. In mathematical terms, that can be done as follows:
- Convert the percentage to a decimal by dividing by 100 or simply using the given fraction 7/10 which is equivalent to 0.7.
- Multiply the weight of the person (120 pounds) by the decimal. So, 120 * 0.7 = 84 pounds.
Therefore, a person who weighs 120 pounds has approximately 84 pounds of water in their body.
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Answers
Answer:37 lol
Step-by-step explanation:
Answer:0.37
Step-by-step explanation: you subtract 0.63 by 1.00 to get 0.37
Answers
B. -12
C. -5/13
D. -12/13
Answers
Cos = adjacent/hypotenuse
Cos = -5/13
The answer is C.
Write an equation and solve.
Answers
The number is -27/2 if two times the sum of nine and a number is the opposite of 9 after applying the concept of the linear equation.
What is a linear equation?
It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
It is given that:
Two times the sum of nine and a number is the opposite of 9.
Let the number be x:
2(x + 9) = -9
2x + 18 = -9
2x = - 9 - 18
2x =- 27
x = -27/2
Thus, the number is -27/2 if two times the sum of nine and a number is the opposite of 9 after applying the concept of the linear equation.
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This is because you have "two times" which is 2*
The sum of a number = x
Opposite of 9 = -9
c=
Answers
3/4 * (4 * c + 16) = 2 * c + 9
3/4 * 4 * c + 3/4 * 16 = 2 * c + 9
3 * c + 12 = 2 * c + 9
3 * c - 2 * c = 9 - 12
c = - 3
The correct result would be - 3.