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joja [24]
3 years ago
8

Donovan is training for a marathon. He currently can run 1 lap around the track in 0.85 minutes. How long will it take him to ru

n 12.5 laps?
ASAP
Mathematics
2 answers:
Ivan3 years ago
8 0

Answer:

10 minutes and 37.5 seconds

Step-by-step explanation:

0.85 is 51 seconds. I will be using this because it is easier for me.

Multiply 51 • 12 = 612 seconds for 12 laps. Divide 612 ÷ 60 = 10.2. You get 10.2 minutes. This is 10 minutes and 12 seconds for 12 laps.

Divide 51 by 2 to find how long it takes for 1/2 a lap. You will get 25.5 seconds for half a lap.

Add them together: 10 min 12 sec + 25.5 sec = 10 minutes and 37.5 seconds

Leokris [45]3 years ago
3 0

Answer:

10.625

Step-by-step explanation:

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Find 437 th term of the arithmetic sequence whose first term is
Brrunno [24]

The 437th term of arithmetic sequence is 36.

Step-by-step explanation:

First term = a_{1}= -73

Common difference = d = \frac{1}{4}

Term to find = 437th

Therefore,

n= 437

The formula for arithmetic sequence is;

a_{n}=a_{1}+(n-1)d\\

Putting values;

a_{437}=-73+(437-1)(\frac{1}{4})\\a_{437}=-73+(436)(\frac{1}{4}\\a_{437}=-73+\frac{436}{4}\\a_{437}=-73+109\\a_{437}=36

The 437th term of arithmetic sequence is 36.

Keywords: Arithmetic sequence, common difference

Learn more about arithmetic sequences at:

  • brainly.com/question/8280736
  • brainly.com/question/8301701

#LearnwithBrainly

6 0
3 years ago
Which expression is equivalent to -
dedylja [7]
x^\frac{4}{3} x^ \frac{2}{3}Lets get started :)

Referring to the picture I have uploaded might help you
We have the same base, which in this case is x. 

When multiplication occurs in the same base, we add the powers
x^\frac{4}{3} x^ \frac{2}{3}
   ↓ (I am going to perform the problem separately and then give the final answer as the power to x)
\frac{4}{3} + \frac{2}{3} = \frac{6}{3} = 2
  ↓
x²

(x^2)^ \frac{1}{3}

The power of a power should be performed by multiplying the powers together.
2 x \frac{1}{3} = \frac{2}{3}

x^\frac{2}{3}

Your final answer will be the second option



4 0
3 years ago
Please help!!! I’ll give branliest
Ksivusya [100]

Answer:

yes, its B. t = 7* n

Step-by-step explanation:

money she raises = 7 dollars per mile she rides

5 0
3 years ago
Tickets to a play cost $10 at the door and $8 in advance. The theater club wants to raise at least $800 from the sale of the tic
jenyasd209 [6]

Standard form:

10x + 8y < 800

Slope intercept form:

y < (-5/4)x + 100

Slope: -5/4

y-intercept: 100

Hope this helps

TT - dravenfact8

6 0
2 years ago
Graph this Function 1: f(x) = −3x2 + 2
jasenka [17]

I guess that's f(x) = -3x^2+2

Well :

-3x^2+2=0

-3x^2=-2 / : (-3)

x^2= -2/-3

x^2= 2/3 / sqrt

x= +/ - sqrt(2)/sqrt(3)

We got the zero points.

x ~ +/- 0.81

f(0)= -3(0)^2 + 2

f(0)= 2

Mark three points:

(0.81;0)

(-0.81;0)

(0;2)

Connect with parabolic line and ya got a your graph

3 0
4 years ago
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