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tankabanditka [31]
3 years ago
14

Find the error in the math below. Student is finding the mid point of a linear line segment that spans from (-2,4) to (5,14)? Ex

planation: To find the midpoint of a line segment, use this formula: (7") ("") Therefore, the midpoint of the given line segment is: (245)(4+14) (1.5,9) O Student added the wrong numbers together. Student made no error. Student divided incorrectly.​

Mathematics
1 answer:
Gwar [14]3 years ago
5 0

Answer:

yes ,i think option b is right.

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A restaurant bill is $84.97. Complete the table to find the estimated value of the tip in each case? Round your answer to the ne
grigory [225]

Answer:

20% = $16.994

15% = $12.7455

4 0
3 years ago
PLEASE HELP!! Which graph represents the function y=sin(1/2x) after a shift of 3 units down?
dybincka [34]

Answer:

a

Step-by-step explanation:

correct on edge

3 0
3 years ago
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Use the calculator to graph the function y = 2x2 25x + 3. What are the coordinates of the turning point of the graph to the near
olga2289 [7]

Use the calculator to graph the function y = 2x^2+ 25x + 3

In the graph , the coordinates of the vertex is the turning point of the graph.

Given function is the quadratic function. For quadratic function the graph will be U shaped parabola.

There will be only one turning point for parabola

Turning point is the vertex

To find vertex we use formula x= \frac{-b}{2a}

y = 2x^2+ 25x + 3

a=2, b= 35

x =\frac{-25}{2*2}  =\frac{-25}{4} = -6.25

Now plug in \frac{-25}{4} in f(x)

y= 2(\frac{-25}{4})^2+ 25(\frac{-25}{4})  + 3

Take common denominator

y= \frac{625}{8}+ (\frac{-625}{4})  + 3 =\frac{625-1250+24}{8} =-\frac{601}{8} = -75.125

So coordinates of turning point is (-6.25, -75.13)

The graph is attached below.

8 0
4 years ago
Read 2 more answers
I need help please i struggle on these questions
-Dominant- [34]

Answer:

1. AB is a diameter. (False)

2. ST, SP and SQ are radii. (True)

3. SQ = 12 cm. (False)

4. PQ is 12 cm. (True)

Step-by-step explanation:

1. AB is not a diameter because a diameter must pass through the center of the circle.

2. ST, SP and SQ are radii because they all meet at the center of the circle.

3. SQ is not equal to 12 cm. SQ is equal to 6 cm because it is a radius.

4. PQ is equal to 12 cm because it is a diameter. Radius = 6 cm. Diameter = 2 × radius = 2 × 6 cm = 12 cm

7 0
4 years ago
Which of the following shows the extraneous solution(s) to the logarithmic equation? log4 (x) + log4(x - 3) = log4 (-7x + 21)
Salsk061 [2.6K]
First join the log4 on the left:

log4( x*(x-3) = log4(-7x+21)

Then x = -7, works: -7*(-10)=70 = -7*(-7)+21

x=-3, 18 = 42, does not work

x=3 0=0 works,

However, when one puts x = -7 in the *original* exression, log4(-7) or log4(-10) do not exist (you know why?). So x= -7 is extraneous.

Now x=3 gives log4(0) on the left and right, which does not exist.

So, C is the answer, both are extraneous. Seem to work but indeed don't work in the *original* equation
 
6 0
3 years ago
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