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Tpy6a [65]
3 years ago
10

How do I know which operation to use with a word math problem

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

you use your biggest brain cell

Step-by-step explanation:

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A daily mail is delivered to your house between 1:00 p.m. and 5:00 p.m. Assume delivery times follow the continuous uniform dist
german

Answer:

25% of deliveries

Step-by-step explanation:

This is a uniform distribution with parameters a = 1.00 and b =5.00. With these conditions, the following probability distribution functions can be applied:

P(X \leq x)=\frac{x-a}{b-a}=\frac{x-1.00}{5.00-1.00}\\P(X \leq x) = \frac{x-1}{4}\\P(X \geq x) = 1- P(X \leq x) \\P(X \geq x)=1- \frac{x-1}{4}

Therefore, the probability that X ≥ 4:00 p.m. is given by

P(X \geq 4)=1- \frac{4-1}{4}\\P(X \geq 4)=0.25=25\%

Thus, 25% of deliveries are made after 4:00 p/m.

7 0
3 years ago
What is -3/8 - (1/6)
Mrac [35]
Remove parentheses.

-3/8 -1/6

Find the Least Common Denominator (LCD) of 3/8, 1/6. In other words, find the Least Common Multiple (LCM) of 8,6.

LCD=24

Make the denominators the same as the LCD.

- 3x3/8x3 - 1x4/6x4

Simplify. Denominators are now the same

-9/24 - 4/24

Join the denominators

-9-4/24

Simplify

-13/24
7 0
3 years ago
If the area of the triangular kite is 24 square ft and its base is 4 feet, find the height of the kite.
beks73 [17]
Area of a triangle is   A = (1/2) (b) (h).  Here we are given A and b and need to find h.

A = 24 ft^2 = (1/2) (4 ft) (height)

24 = 2(height)          =>          height is 12 ft            (answer)
3 0
3 years ago
PLEASE HELP
mrs_skeptik [129]

Answer:

Im pretty sure its 21 pounds.

6 0
3 years ago
Move the points to create an equation with a positive slope and an integer (positive or negative whole number) y-intercept.
satela [25.4K]

Answer: there no picture to see it

Step-by-step explanation:

4 0
3 years ago
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