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dezoksy [38]
3 years ago
14

At what speed does a car travel if it goes 375 miles in 7 hours Explain

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
8 0
Around 47 miles an hour, not sure though
solniwko [45]3 years ago
3 0
We are trying to find it's speed which is measured in miles per hour or miles/hour
So: 375 miles/7 hours
This simplifies to 53.5714286 miles per hour.
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Suppose you invest $10,400 in equipment to manufacture a new board game. Each game costs $2.65 to manufacture and sells for $20.
tamaranim1 [39]
Answer: 599.42 games
To answer this question, you need to calculate the revenue for every game sold first. The calculation would be:
Revenue= sell cost - manufacture cost= $20-$2.65= $17.35/game.

Break even is the point when the game manufacturing cost(equipment cost included) is covered by the revenue you got. Then the calculation would be:

total game cost= revenue per game * number of game sold
$10400= number of game sold * $17.35
number of game sold= 10400/17.35=  599.42 games

3 0
3 years ago
Divid 15 into two parts such that the sum of their reciprocal is 3/10
emmasim [6.3K]
Let x and y be the 2 parts of 15 ==> x + y=15 (given)

Reciprocal of x and y ==> 1/x +1/y ==> 1/x + 1/y = 3/10 (given)


Let's solve  1/x + 1/y = 3/10 . Common denominator = 10.x.y (reduce to same denominator)

 ==> (10y+10x)/10xy = 3xy/10xy ==> 10x+10y =3xy

But x+y = 15 , then 10x+10y =150 ==> 150=3xy and xy = 50

Now we have the sum S of the 2 parts that is S = 15 and 
their Product = xy =50
Let's use the quadratic equation for S and P==> X² -SX +P =0
Or X² - 15X + 50=0, Solve for X & you will find:
The 1st part of 15 is 10 & the 2nd part is 5
4 0
3 years ago
A radar measures the speed of a car at 45 miles per hour. The actual speed of the car is 40 miles per hour what is the percent e
sweet-ann [11.9K]
Hi☺️ i think it is around the number of less than 2
hope this help !
8 0
3 years ago
10 cm
densk [106]

Answer:

Answer is 264 cm^2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A boy travelled a distance of 10 km in 2 minutes calculate the speed of that boy <br>​
prohojiy [21]

Step-by-step explanation:

(i hope this helps)

speed=distance/time taken

6 0
3 years ago
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