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tekilochka [14]
3 years ago
5

Traveling at an average rateaverage rate of between 40 and 50 miles per hour for 3 to 4 hours select the best estimate for the d

istance traveled
Mathematics
1 answer:
JulijaS [17]3 years ago
6 0

Answer:

160 miles

Step-by-step explanation:

Distance = speed × time

Speed 1 = 40miles/hr , speed 2 = 50 miles/hr

Time 1 = 3 hrs,  time 2 = 4 hrs

Distance 1 = speed 1 × time 1

= 40× 3 = 120 miles

Distance 2 = speed 2 × time 2

= 50 × 4 = 200 miles

Average distance = (distance 1+distance 2 ) ÷ 2

Distance = (200+120) ÷ 2 = 320 ÷2

= 160 miles

I hope this was helpful, please mark as brainliest

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There are 740 tickets purchased for a Major League Baseball game. The lower reserved tickets cost $9.50 and the upper reserve co
artcher [175]

375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased

Step-by-step explanation:

Let x be the number lower reserved tickets

and

y be the number of upper reserved tickets

Then according to given statements

x+y = 740\ \ \ \ Eqn\ 1\\9.50x+8y = 6482.50\ \ \ \ Eqn\ 2

From equation 1:

x = 740-y

Putting in equation 2

9.5(740-y)+8y = 6482.50\\7030-9.5y+8y = 6482.50\\7030-1.5y = 6482.50

Subtracting 7030 from both sides

7030-7030-1.5y = 6482.50-7030\\-1.5y=-547.5

Dividing both sides by -1.5

\frac{-1.5y}{-1.5} = \frac{-547.5}{-1.5}\\y = 365

Putting y = 365 in equation 1

x+365 = 740\\x = 740 - 365\\x = 375

Hence,

375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased

Keywords: Linear equations, Variables

Learn more about linear equations at:

  • brainly.com/question/11207748
  • brainly.com/question/11280112

#LearnwithBrainly

3 0
3 years ago
Solve for x in the literal equation −18 = xy + z
ale4655 [162]
-18 = xy + z
- z -18 = xy
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6 0
3 years ago
"A town has accumulated 2 inches of snow, in the snow depth is increasing by 4 inches every hour. A nearby town has accumulated
zloy xaker [14]
In 4 hours it will be the same
3 0
3 years ago
Jeremy has a total of $250. If he spends 30% of his money, how much will he have left?
vagabundo [1.1K]
If you look at the picture, you set it up as part over whole is equal to percent over 100. then you just multiply across.

5 0
3 years ago
How many solutions does the system have?
marishachu [46]

Answer:

{x,y} = {-2,2}

Step-by-step explanation:

Solve equation [2] for the variable  y  

 

  7y = 7x + 28

  y = x + 4

Plug this in for variable  y  in equation [1]

-8x + 4•(x +4) = 24

-4x = 8

Solve equation [1] for the variable  x  

4x = - 8  

x = - 2

By now we know this much :

   x = -2

   y = x+4

Use the  x  value to solve for  y  

   y = (-2)+4 = 2

Solution :

{x,y} = {-2,2}

and this intersects at only one point so your answer is A

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