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olganol [36]
2 years ago
5

A runner finished a total of 1500 kilometers in races before retiring she finished thirty-two 15 kilometer races. The rest of he

r races were10-kilometer races. How many of her races were 10 kilometer races?
( this is my sister question she doesn't have brainly :) )
Mathematics
2 answers:
Triss [41]2 years ago
8 0

Answer:

102 of runner's races were 10-kilometer races.

Ahat [919]2 years ago
3 0

Answer: 1020

Step-by-step explanation:

In a 5000 m race, the athletes run 12(1)/(2) laps; each lap is 400m . Kara runs the race at a constant pace and finishes in 17.5 min. Hannah runs the race in a blistering 15.3min,  so fast that she actually passes Kara during the race. How many laps has Hannah run when she passes Kara?

Hope This Helps!

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A bus has less than 42 seats. If 36 seats are already occupied, write an
Fudgin [204]

Answer:

B

Step-by-step explanation:

A x - 36 <42 is wrong because its saying how many can be added

B x +36 < 42 this one is most likely correct because its displays x as how many can be added

C x - 36 > 42 this is wrong because the bus has less than 42 seats

D x + 36 >57 like i said cant be over 42

8 0
3 years ago
Sarah has 27
Setler79 [48]
Sarah can make 2, however she will have 3 feet leftover
5 0
3 years ago
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A business uses straight-line depreciation to determine the value y of an automobile over a 5-year period. Suppose the original
Elena-2011 [213]

For this problem. it is found that:

a) The automobile has depreciated 75% in 5 years.

b) The value of the automobile was reduced by $10,500 in five years.

c) The linear function is: s(t) = 14,500 - 2,100t.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = ax + b

In which:

  • a is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

From the problem, we have that:

a) The automobile has depreciated 75% in 5 years, as 4000/14500 = 0.25, and 100% - 25% = 75%.

b) The value of the automobile was reduced by $10,500 in five years, as 14500 - 4000 = $10,500.

For the linear function, we have that:

  • The initial value is b = 14500.
  • The slope is of a = -10500/5 = -2100.

Hence the linear function is: s(t) = 14,500 - 2,100t.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

6 0
2 years ago
Solve for y. -3/y=6 Simplify your answer as much as possible.
Molodets [167]
Solving for "y" means that we need to get y to be on one side of the equation. It should look like y= something. To get the y by itself, we need to get rid of that -3. To do that, we'll have to divide by -3 (because even though there's a y being divided, the -3 is still the numerator). 6/-3 is -1/2. Therefore your answer is y=-1/2

<em>Don't forget to rate this answer the Brainliest!</em>
7 0
3 years ago
Use the Order of Operations to evaluate this expression
Doss [256]
Unfortunately, I don’t knooow :(
5 0
3 years ago
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