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sergejj [24]
4 years ago
14

In Miami, the number of highway accidents increased by 20% over a four year period. How many accidents were there in 2013 if the

re were 5,120 in 2009?
Mathematics
2 answers:
dalvyx [7]4 years ago
5 0
5120*.2=1024
5120+1024=6144
harina [27]4 years ago
4 0
6144.
there were 6144 car accidents in 2013
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Answer:

x=0.8

Step-by-step explanation:

-5x + 4= 0

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-5x=-4

÷5

-x=-0.8

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6 0
3 years ago
What is the point that lies 1/3 of the distance from (-10, 4) to (14, -11)
Sladkaya [172]
First lets find the slope of the line that connects the two points.

\frac{y_1-y_2}{x_1-x_2}

\frac{4-(-11)}{-10-14} = -\frac{15}{24}

Now use the slope and one of the points to write the equation for the line in point-slope form.

y-y_1=m(x-x_1)

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y - 4 =  -\frac{15}{24}x -  \frac{25}{4}

y = - \frac{5}{8}x -  \frac{9}{4}

The horizontal distance between the two points is 14 - (-10) = 24. We are looking for the point one-third of the way from the first point, so divide 24 by 3. The point that is a third past the first given point is 8 past x = -10. So the point has an x value of -2.

Plug x = -2 into the equation.

y= \frac{(-5)(-2)}{8}- \frac{9}{4}=-1

The answer is (-2,-1).
4 0
3 years ago
How to do proportional triangles
harina [27]

Answer: If the measures of the corresponding sides of two triangles are proportional then the triangles are similar. Likewise if the measures of two sides in one triangle are proportional to the corresponding sides in another triangle and the including angles are congruent then the triangles are similar.

Step-by-step explanation:

7 0
3 years ago
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SpyIntel [72]

Answer:

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Step-by-step explanation:

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The cost for housing and plane tickets are a once a year cost. Mark pays these amounts once a year for four years.4($5,600 + $289) = $23,556

Therefore, the constant in the expression is $23,556, and it is the total cost for housing and plane tickets for four years.

4 0
3 years ago
What is the value of b in the equation brainly (y^-9)^b=y^45?
riadik2000 [5.3K]

Answer:

its -5 just took the test

Step-by-step explanation:


4 0
4 years ago
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