The amount for handle soend on Christmas present will be 240.
What is an expression?
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
Hadlee spent 1/4 of her money on Christmas presents she had 180 remaining.
Now,
Since, Hadlee spent 1/4 of her money on Christmas presents she had 180 remaining.
Let the amount for handle soend on Christmas present = x
Hence, The amount for handle soend on Christmas present will be;
⇒ x - 1/4x = 180
⇒ 3/4x = 180
⇒ 3x = 180 × 4
⇒ 3x = 720
⇒ x = 240
Thus, The amount for handle soend on Christmas present will be 240.
Learn more about the mathematical expression visit:
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Answer:
B. 71.43%
Step-by-step explanation:
The sensitivity is the probability that a test will indicate 'disease' among those with the disease, that is, the test has a positive results:
In this problem, we have that:
150 people with the disease tested positive and 60 tested negative. So the sensitivity is:

The correct answer is:
B. 71.43%
You can solve this by creating the equation 4x+14=60. Now all you have to do is solve this simple algebraic equation. How this helps:)
Assuming the choices are:
-7
2+sqrt(3)
4+9i
pi
The correct answer is (4+9i). Complex numbers include an imaginary component, signified by i.
-7 is an integer.
2+sqrt(3) and pi are both irrational numbers, but they are still real numbers (so not usually called complex).