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KIM [24]
3 years ago
15

Can someone help me? ​

Mathematics
1 answer:
Natali5045456 [20]3 years ago
4 0

Answer:

For 7 miles, it would take her 63 minutes (an hour and 3 minutes) to run

Step-by-step explanation:

it takes her 9 minutes to run one mile, therefore if you take 9×7 you get 63. It would take her 234 minutes to run the 26 mile marathon.

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If y varies inversely as x and y=40 when x=5, then the constant is
mihalych1998 [28]

The constant is 200.

Further explanation:

An inverse propertion states that if one quantity increases the other decreases and vice versa.

It can also be written as:

if y varies inversely with x

then

y∝1/x

y=k/x

When the proportionality symbol is removed, a proportionality constant is introduced

Given

y=40

x=5

Putting in equation

40=\frac{k}{5}\\k=40*5\\k=200

The constant is 200.

Keywords: Proportion, inverse proportion

Learn more about proportion at:

  • brainly.com/question/10364988
  • brainly.com/question/10435816\

#LearnwithBrainly

6 0
4 years ago
Whats the solution of 3/7 +2/9
VLD [36.1K]

Answer:

\frac{41}{63}

Step-by-step explanation:

\frac{3}{7}+\frac{2}{9}

Adjust based on LCM (63):

=\frac{27}{63}+\frac{14}{63}

=\frac{27+14}{63}

=\frac{41}{63}

4 0
3 years ago
Please help me ill give you 10 points
Kitty [74]
C=2pi8
c=16pi or c≈50.27
7 0
3 years ago
The intersection of plane , and plane s will be
Ostrovityanka [42]

Answer:

where the parameter s is a real number and u=P1-P0 is a line direction vector. Using this representation P(0)=P0, P(1)=P1, and when s.ge-0.le-1, P(s) is a point on the finite segment P0P1 where s is the fraction of P(s)'s distance along the segment. That is, s = d(P0,P(s)) / d(P0,P1). Further, if s < 0 then P(s) is outside the segment on the P0 side, and if  s > 1 then P(s) is outside the segment on the P1 side.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If the points below represent a direct variation, find the missing value (5,14)and (x,28)
bekas [8.4K]
X = 10. 14 x 2 = 28. 5 x 2 = x
8 0
3 years ago
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