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lana66690 [7]
3 years ago
12

What is the midpoint of the segment whose endpoints are (-6,5) and (4,-7)?

Mathematics
2 answers:
Savatey [412]3 years ago
6 0
The answer would be (-1, -1) on a coordinate grid. 

(-6+4)/2=x
(-2)/2=x
-1=x

(5+-7)/2=y
(-2)/2=y
-1=y
Yuliya22 [10]3 years ago
4 0
Hey there!

To start, the formula to find the midpoint coordinate pair of two given coordinates is as follows:
(\frac{x1+x2}{2}, \frac{y1+y2}{2})

Knowing this, plug in your given values (the two x values are -6 and 4; the two y values are 5 and -7) and simplify:
(\frac{-6+4}{2}, \frac{5+-7}{2})
=(\frac{-2}{2}, \frac{-2}{2})
=(-1,-1)

Therefore, the midpoint of the coordinates (-6,5) and (4,-7) would be (-1,-1).

Hope this helps and have a marvelous day! :)
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Angle A and Angle B are supplementary. Angle A has a measure of 3x - 6 and Angle B has a measure of 54. What is the value of x?
Anni [7]

Answer:

44 degrees

Step-by-step explanation:

Since they are supplementary, they add up to 180. This means that

3x - 6 + 54 = 180

Solving,

3x + 48 = 180

subtract 48 from both sides

3x = 132

divide both sides by 3

x = 44 degrees

8 0
3 years ago
Pls help thankyou real answers only
IceJOKER [234]

Answer:

The Answer Is B

Step-by-step explanation:

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7 0
3 years ago
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During a scuba dive, Lainey descended to a point 19 feet below the ocean surface. She continued her descent at a rate of 25 feet
Leno4ka [110]

Answer:

25t+19\leq 144

t\leq5

The number of minutes she can continue to descend if she does not want to reach a point more than 144 feet below the ocean surface is <u>at most 5 minutes.</u>

Step-by-step explanation:

Given:

Initial depth of the scuba dive = 19 ft

Rate of descent = 25 ft/min

Maximum depth to be reached = 144 ft

Now, after 't' minutes, the depth reached by the scuba dive is equal to the sum of the initial depth and the depth covered in 't' minutes moving at the given rate.

Framing in equation form, we get:

Total depth = Initial Depth + Rate of descent × Time

Total depth = 19+25t

Now, as per question, the total depth should not be more than 144 feet. So,

\textrm{Total depth}\leq 144\ ft\\\\19+25t\leq 144\\\\or\ 25t+19\leq 144

Solving the above inequality for time 't', we get:

25t+19\leq 144\\\\25t\leq 144-19\\\\25t\leq 125\\\\t\leq \frac{125}{25}\\\\t\leq 5\ min

Therefore, the number of minutes she can continue to descend if she does not want to reach a point more than 144 feet below the ocean surface is at most 5 minutes.

7 0
3 years ago
While driving from​ Chicago, Brent had a visibility problem due to the fog. After 1 1/2
liq [111]
1) Let x be the original speed that he was driving; 

x mph ---> 1.5 hours 
x+44 mph --> 2.5 hours 

1.5x + 2.5(x+44)=206 
1.5x+2.5x+110=206 
4x=206-110 
4x=96 
x=24 
Therefore, he was travelling at 24 mph in the fog. 

2) Let x be the speed of 1 snail, 
The other snail travels at the speed of x+1 cm/min 

23x+23(x+1)=391 <-- solve for x 
23x+23x+23=391 
46x=368 
x=368/46 
x=8 

Therefore one of the snail travels at 8 cm/min while the other goes at 9 cm/min 

7) Let x be one crew 
Then the other crew would be working at x+0.5 

3.2x+3.2(x0.5)=8 <-- solve for x 
3.2x+1.6x=8 
4.8x=8 
x=8/4.8 
x=1.6666 or 1.7 miles 

Therefore, one of the crew does 1.7 miles per day and the other crew does (0.5*1.7)=0.85 miles

Hope I helped :) 
5 0
4 years ago
If f(x) = (x - 2) = x3 + 2x - 4 + 13<br> what is f(2)?
leva [86]

Answer:

f(2)=21

Step-by-step explanation:

f(2)=2^3+2*2-4+13=8+4-4+13=8+13=21

8 0
3 years ago
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