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dimulka [17.4K]
4 years ago
15

13 POINTS ALL TOGETHER PLEASE HELP I GIVE THANKS A CHOOSE BEST ANSWER IF YOU'RE RIGHT

Mathematics
1 answer:
Anit [1.1K]4 years ago
7 0
Question 1)
The answer is B because all the points correlate.

Question 2)
Your numbers are:
2,2,4,5,6,7,8, and 9.
\frac{2+2+4+5+6+7+8+9}{8} =5.375
Since it says "1 decimal place" the answer is 5.4

Question 3)
Your numbers are:
1,2,3,3,4,5,7, and 8.
Start crossing them out.
1-2-3-3-4-5-7-8
2-3-3-4-5-7
3-3-4-5
3-4
Since your left with 2 numbers, you go in between.
3.5
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The table below shows the fourth powers of different numbers: Number (x) 1 −1 2 −2 Fourth power of the number (y) 1 1 16 16 Part
Dvinal [7]

Number (x) 1 -1 2 -2

Fourth power of the number (y) 1 1 16 16

(a) Does the table represent y as a function of x?

From the table we can see that every x value has a corresponding y value

The x values are not repeating. So It is a function.

If we graph the table then it will pass vertical line test.

B: The total cost f(x), in dollars, for renting a truck for x hours is shown below: f(x) = 17x + 50 What is the value of f(30) and what does f(30) represent?

Total cost f(x) = 17x + 50

To find f(30), we plug in 30 for x

f(30)= 17(30) + 50 = 560

The rent of the truck for 30 hours is $560

8 0
4 years ago
Write the equation 0.3x2 + 5x - 7 =0 in general form and then choose the value of "b."
Musya8 [376]

For this case we have that by definition, an equation of the second degree is given by:

ax ^ 2 + bx + c = 0

We have the following equation:

0.3x ^ 2 + 5x-7 = 0

Then, according to the definition above, we have to:

a = 0.3\\b = 5\\c = -7

Thus, b equals 5.

Answer:

b = 5

Option C

8 0
3 years ago
What are the domain and range of the function?
jekas [21]

Answer:

  see below

Step-by-step explanation:

The square root function produces a non-negative output for a non-negative input. When its output is negated, it produces a non-positive output for a non-negative input.

The input (domain) is from 0 to infinity: [0, ∞).

The output (range) is from negative infinity to zero: (-∞, 0].

____

A graph of the function is included for your convenience.

6 0
3 years ago
a certain number was increased by 5 then decreased by 3 than halved the result was 0.3 less than the original number
mina [271]

Answer: 20

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
What would this be? Please help.
Ratling [72]

Answer:

The answer to your question is ∠ABE = 46

Step-by-step explanation:

Data

BE is a bisector of ∠ABE

∠ABE = 2x + 20

∠EBC = 4x - 6

∠ABE = ?

Process

1.- Bisector is a line that divides an angle into two equal angles.

So

              ∠ ABE = ∠EBC

2.- Substitution

               2x + 20 = 4x - 6

3.- Solve for x

              2x - 4x = -6 - 20

                    - 2x = -26

                        x = -26/-2

                        x = 13

4.- Find the measure of ∠ABE

               ∠ABE = 2(13) + 20

               ∠ABE = 26 + 20

               ∠ABE = 46

4 0
4 years ago
Read 2 more answers
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