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PolarNik [594]
2 years ago
12

Which of the following is a solution of the inequality? -3 < 2x + 1 < 5

Mathematics
1 answer:
Annette [7]2 years ago
4 0

Answer:

-2<x<2

Step-by-step explanation:

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F(5)=3|x+11|-4, find f(5)
deff fn [24]

Answer:

f(5) = 44

Step-by-step explanation:

f(x) = 3|x+11| -4

let x =5

f(5) = 3|5+11| -4

     = 3|16| -4

      = 3*16 -4

    = 48 -4

   = 44

5 0
4 years ago
Read 2 more answers
Priya spent 1/2 of the day hiking. She was lost 5/6 ​​of the time that she was hiking. What fraction of the day was Priya lost
Vadim26 [7]

Answer:

\frac{5}{12} fraction of the day was Priya lost

Step-by-step explanation:

As per the statement:

Priya spent 1/2 of the day hiking.

⇒She spent for hiking = 1/2 of the day.

It is also given that:

She was lost 5/6 ​​of the time that she was hiking.

⇒\text{She lost} = \frac{5}{6} \times \text{She was hiking}

Substitute the given values we have;

\text{She lost} = \frac{5}{6} \times \frac{1}{2} = \frac{5}{12} of the day

therefore, \frac{5}{12} fraction of the day was Priya lost

5 0
3 years ago
Read 2 more answers
Use the grouping method to factor this polynomial.
tankabanditka [31]

Answer:

C

Step-by-step explanation:

Given

x³ + 3x² + 3x + 9 ( factor first/second and third/fourth terms )

= x²(x + 3) + 3(x + 3) ← factor out (x + 3) from each term

= (x² + 3)(x + 3) → C

5 0
4 years ago
The table shown at the right gives y as a function of​ x, that​ is, y​f(x). Use the table to answer parts a through d below.
vovikov84 [41]

Step-by-step explanation:

Relations can be written as ordered pairs of numbers or as numbers in a table of values. By examining the inputs (x-coordinates) and outputs (y-coordinates), you can determine whether or not the relationship is a function. Remember, in a function, each input has only one output.

A function is a relationship where there is only one output for every input. In other words, for every value of x, there is only one value for y. A functioning rule describes how to convert an input value (x) into an output value (y) for a given function. An example of a function rule is f(x) = x^2 + 3.

The phrase "y is a function of x" means that the value of y depends upon the value of x, so: y can be written in terms of x (e.g. y = 3x ). If f(x) = 3x, and y is a function of x (i.e. y = f(x) ), then the value of y when x is 4 is f(4), which is found by replacing x"s by 4"s .

7 0
2 years ago
Find the measure of
anygoal [31]

Hello from MrBillDoesMath!

Answer:

36 degrees

Discussion:

The attachment shows  calculated angles in red. As a straight line has 180 degrees the missing angle at A is 180 - 72 = 108 degrees (shown in red). The missing angle at B is 180 - 144 = 36. As a triangle has 180 degrees.

x + 108 + 36 = 180   =>  as 180 + 36 = 144

x + 144 = 180            =>  subtract 144 form both sides

x = 180 - 144 = 36

Thank you,

MrB

4 0
4 years ago
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