3 years ago

Write an equation of the lime that passes through (3,7) and is parallel to the line shown

Mathematics

1 answer:

GrogVix [38]3 years ago

4 0

Answer:

y=2x+1

Step-by-step explanation:

see graph

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The average of the weights of six people sitting in a boar is 145 pounds. After a seventh person gets into the boat, the average

Tems11 [23]

Weight : 

⇒ x for 6 people
⇒ y for the 7th person

$x/6=145 \\ (x+y)/6=147 \\ \\ x=145*6 \\ x=870 \\ \\ x+y=1029 \\ \\ 870+y=1029 \\ y=1029-870 \\ y=159$

The correct answer is B).

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3 years ago

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celina measured the height of a window frame as 5.55 feet, but the actual height was 6 feet. What is the percentage of error in

skad [1K]

(6/5.55) * 100 = 108.11 %

The percent error is 108.11 %

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3 years ago

Help please !! thank you!

lisov135 [29]

Answer:

Step-by-step explanation:

if you put ur mouse on -2 then move to the right 1.5 you will get .5

Hope this Helps!!!

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3 years ago

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A train slows down as it rounds a sharp horizontal turn, going from 92.0 km/h to 54.0 km/h in the 16.0 s that it takes to round

Mnenie [13.5K]

Calculation of centripetal acceleration(ac):

$a_c=\frac{v^2}{r}$

we can change our speed in terms of m/s

$v=54km/h=54*\frac{1000}{3600} m/s$

now, we can plug these values

$a_c=\frac{(54*\frac{1000}{3600})^2}{130}$

$a_c=1.73077m/s^2$

Calculation of tangential acceleration(at):

$a_t=\frac{\Delta v}{\Delta t}$

now, we can plug values

$a_t=\frac{(54-92)*\frac{1000}{3600} }{16}$

now, we can simplify it

$a_t=-0.65972 m/s^2$

Calculation of resultant acceleration:

$a=\sqrt{(a_c)^2+(a_t)^2}$

now, we can plug values

$a=\sqrt{(1.73077)^2+(-0.65972)^2}$

$a=1.85224m/s^2$ .............Answer

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3 years ago

12/10-4/10 I keep coming up with the same answer

Makovka662 [10]

12/10 = 1.2
4/10 = 0.4

1.2-0.4 = 0.8

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3 years ago

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