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levacccp [35]
2 years ago
12

Using measures of center and variability to compare data- quiz answers?

Mathematics
1 answer:
lawyer [7]2 years ago
3 0

herehopes it helps can i pleaseget brainliest

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Charles wants to determine which car is the fastest. The actual speed of four cars is shown below: Car A B C D Speed (in km/h) 6
marysya [2.9K]

it would be car d because of what the time was on the chart (i did the test and it was correct)

5 0
3 years ago
Write the equation of a line in point slope form that passes through the points (-8.-3) and (2,2) need help ​
slava [35]
Y+3=1/2•(x+8) (point slope form)
should be correct
7 0
3 years ago
For a project in his Geometry class, Mamadou uses a mirror on the ground to measure the height of his school's football goalpost
andreev551 [17]

Answer:

Height of the goalpost is 9.25 m.

Step-by-step explanation:

As per the rule of reflection in physics,

Angle of incidence = Angle of reflection

As we can see in the picture attached, both the angles (θ) are equal.

m∠ACB = m∠ECD = 90° - θ

m∠ABC = m∠ADC = 90°

Therefore, both the triangles ΔABC and ΔEDC will be similar.

And by the property of similar triangles, their corresponding sides will be proportional.

\frac{AB}{ED}= \frac{CB}{CD}

\frac{1.75}{ED}=\frac{2.6}{13.75}

ED = \frac{1.75\times 13.75}{2.6}

ED = 9.25 m

Height of the goalpost is 9.25 m.

4 0
2 years ago
A delivery truck is transporting boxes of two sizes large and small. The combined weight of a large box and a small box is 80 po
Liula [17]

Answer:

small=15 large=40

Step-by-step explanation:

x=large box

y=small box

55 = x + y

 

50x + 55y = 2825

 

50x + 55( 55 - x) = 2825

 

50x + 3025 - 55x = 2825

 

0 = 55x - 50 x + 2825 - 3025

 

0 = 5x - 200

 

200 = 5x

 

x=40

 

y = 15

7 0
3 years ago
-7(2b-4)=5(-2b+6)?Please help me i need the answer its hard!
bija089 [108]
-14b+28=-10b-30
-4b+28=-30
-4b=-58
b=58/4=29/2
5 0
3 years ago
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