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postnew [5]
3 years ago
8

15 POINTS!!! PLEASE!! Jeff walked 550 feet in 5 minutes. How many feet did he walk per minute?

Mathematics
2 answers:
QveST [7]3 years ago
7 0
The Answer is going to be 110
Sav [38]3 years ago
3 0

Answer:

110

Step-by-step explanation:

550/5

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To convert a measurement, Pete must move the decimal point to the left 4 places. This is a shortcut for an operation. Which oper
monitta
The operation applied is division.

a simple explanation is that the quantity decreases if you move the decimal to the left, which is the case for division

A power of 10^-4 is involved (you get a negative sign if you shift the decimal to the left: which is another explanation to the above question)
6 0
3 years ago
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⚠️help!!⚠️ i’ve been stuck for 15 minutes!
photoshop1234 [79]

Answer:

y=2x−5 is a line

Step-by-step explanation:

Explanation: y=2x−3 is in slope intercept form for a linear equation, y=mx+b , where m is the slope and b is the y-intercept. The y-intercept is the point at which x=0 and y=−3 , which is point (0,−3) You can plot this point on your graph.

5 0
3 years ago
Pls help i’m failing rn
Valentin [98]

Answer:

The answer is letter D.

Step-by-step explanation:

-2(4x+8)+3(5x-1)

=-8x-16+15x-3

=-8x+15x-16-3

=7x-19

4 0
3 years ago
Which equation represents a parabola that opens upward, has a minimum at x = 3, and has a line of symmetry at x = 3?
Licemer1 [7]

Answer:

A. y = x^2 -6x + 13

Step-by-step explanation:

The parabola that opens up and has line of symmetry x=3 and a minimum at x=3  is

y=x^2-6x+13

The reason is that, we can write this function in the vertex form to get;

y=x^2-6x+(-3)^2+13-(-3)^2

y=(x-3)^2+13-9

y=(x-3)^2+4

Hence the line of symmetry is x=3 and the vertex is (3,4)

8 0
3 years ago
Read 2 more answers
I need help with this ​
kotegsom [21]

Answer:

Here is the summary of true statements:

A) The statement of the function modeled is (0, 3) is TRUE.

D) the equation for the line function is y = 2x+3 is TRUE.

E) the given table represents the linear function is TRUE

Step-by-step explanation:

Given the table

x   1      3      5      7

y   5      9      13     17

E)

It is clear that there is a CONSTANT CHANGE in the x and y values of the graph.

THE CONSTANT CHANGE IN X VALUES

i.e. 3-1=2, 5-3=2, 7-5=2

THE CONSTANT CHANGE IN Y VALUES

i.e. 9-5 = 4, 13 - 9 = 4, 17 - 13 = 4

Thus, the given table represents the linear function is TRUE

B)

It is clear that the value of y increase as the value of x increases.

Thus, the statement ''the value of y decreases as the value of x increases'' is FALSE!

D)

We know that the slop-intercept form of the line equation is

y = mx+b

where m is the slope and b is the y-intercept.

Determining the equation

Taking two points

(1, 5)

(3, 9)

Finding the slope between (1, 5) and (3, 9)

Using the formula

Slope = m =  [y₂ - y₁] /  [x₂ - x₁]

               =  [9 - 5] / [3 - 1]

               = 4 / 2  

               = 2

Thus, the slope of the line = m = 2

now substituting m = 2 and the point (1, 5) to determine the y-intercept

y = mx+b

5 = 2(1) + b

b = 5-2

b = 3

Thus, the value of y-intercept b = 3

substituting b = 3 and m = 2 in the slope-intercept form

y = mx+b

y = 2x+3

Therefore, the equation for the line function is y = 2x+3 is TRUE

A)

We know that the value of the y-intercept can be determined by setting x = 0, and determining the corresponding value of y.

We already know that the y-intercept b = 3

It means the y-intercept modeled is (0, 3)

Therefore, the statement of the function modeled is (0, 3) is TRUE.

C)

We have already got the equation

y = 2x+3

substituting x = 8

y = 2(8)+3

y = 10+3

y = 13

so at x = 8, the value of y = 13

Therefore, the statement that the ''On a graph of the function when x = 8, the value of y will be 2'' is FALSE!

Conclusion:

Here is the summary of true statements:

A) The statement of the function modeled is (0, 3) is TRUE.

D) the equation for the line function is y = 2x+3 is TRUE.

E) the given table represents the linear function is TRUE

3 0
3 years ago
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