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melamori03 [73]
2 years ago
8

A pilot flew 72 hours in one month.At this rate,how many months will it take her to fly for 360 hours?

Mathematics
1 answer:
vlada-n [284]2 years ago
4 0
If a pilot flies 72 hours in one month then to find how many months they used to fly 369 you have to divide months by houses: 360 divided by 72 = 5.
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Hints # 2- Rewrite the mixed numbers as fractions greater than one, then multiply! The first CORRECT answer will get Brainliest.
marishachu [46]

Answer:

1615 / 48

Step-by-step explanation:

So the mixed numbers as improper fractions is:

6 1/3 = 19 / 3

4 1/4 = 17 / 4

1 1/4 = 5 / 4

19 / 3 * 17 / 4 * 5 / 4 = 1615 / 48

It's kinda messy so it might be wrong.

5 0
3 years ago
Read 2 more answers
What two numbers can be multiplied to be -150 and added to be 5
pav-90 [236]
Xy = -150
x + y = 5

     x + y = 5
x - x + y = -x + 5
           y = -x + 5

                                                       xy = -150
                                             x(-x + 5) = -150
                                         x(-x) + x(5) = -150
                                               -x² + 5x = -150
                                     -x² + 5x + 150 = 0
                       -1(x²) - 1(-5x) - 1(-150) = 0
                                  -1(x² - 5x - 150) = 0
                                               -1            -1
                                        x² - 5x - 150 = 0
                                        x = -(-5) ± √((-5)² - 4(1)(-150))
                                                                2(1)
                                        x = 5 ± √(25 + 600)
                                                         2
                                        x = 5 ± √(625)
                                                     2
                                        x = 5 ± 25
                                                 2
                                        x = 2.5 ± 12.5
                                        x = 2.5 + 12.5    or    x = 2.5 - 12.5
                                        x = 15          or          x = -10

    x + y = 5
  15 + y = 5
- 15      - 15
          y = -10
    (x, y) = (15, -10)

            or

    x + y = 5
 -10 + y = 5
+ 10    + 10
           y = 15
    (x, y) = (-10, 15)

The two numbers that add up to 5 and multiply to -150 are 15 and -10.
8 0
3 years ago
Which statement could be used to explain why f(x)=2x-3 has an inverse relation that is a function
Gwar [14]
The <u>correct answer</u> is:

The function is a one-to-one function.

Explanation:

When an equation is graphed, we use the Vertical Line Test to determine if that equation is a function; if a vertical line hits more than one point anywhere on the graph, the graph is not a function.

This corresponds with the definition of a function:  A function is a set of ordered pairs in which each element of the domain (x) is mapped to no more than one element of the range (y).  Since every x has no more than one y, there will be no two points hit by the same vertical line.

When we have the graph of a function, to determine if it has an inverse, we use the Horizontal Line Test: if a horizontal line hits more than one point anywhere on the graph, the function does not have an inverse.

This corresponds with the definition of a one-to-one function:  A function in which every element of the range (y) is mapped to exactly one element of the domain (x). Since every y has one x, there will be no horizontal line that hits more than one point anywhere on the graph.
7 0
3 years ago
Read 2 more answers
-5x-4y=2a 4x-5y=2 which of the following choices of A will results in a system of linear equations with exactly one solution​
hjlf

Answer:

<h3>            Any of them.</h3><h2>          a ∈ R</h2>

Step-by-step explanation:

-5x - 4y = 2a                         4x - 5y = 2

-4y = 5x + 2a                        -5y = -4x + 2

y = (5x + 2a):(-4)                    y = (-4x + 2):(-5)

y = -⁵/₄x - ¹/₂a                           y = ⁴/₅x - ²/₅

m₁ = -⁵/₄,  b₁ = -¹/₂a                  m₂=⁴/₅,  b₂= -²/₅

               -⁵/₄ ≠ ⁴/₅

Different slopes means that two lines have one point of intercept (no mater what the b's are). That means that the system of linear equations has exactly one solution for any value of a.

4 0
3 years ago
Solve using the standard algorithm the area model the distributive property or the partial products method 2,809x4
Assoli18 [71]

Answer:

11,236

Step-by-step explanation:

i think this might be the answer but if it not alseat I try helping

5 0
3 years ago
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