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3 years ago

Planet Fitness charges a $10 per month plus

Mathematics

2 answers:

ioda3 years ago

6 0

A) 10x+55=y

b)5.2 months

RSB [31]3 years ago

3 0

A. 10x+55=y

B. 5.2 months or 5 months

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One of the numbers increased by 10. How did the average of the two numbers change?

bezimeni [28]

Hello from MrBillDoesMath!

Answer:

The average is increased by 5

Discussion:

Let x be one number and y the other number.

Average of x,y = (1/2) ( x + y)

if, say, x is increased by 10 then the average of the numbers is

( ( x+ 10) + y) /2

= (x+y)/2 + 10/2 => (x+y)/2 is the average of the original numbers

= (x+y)/2 + 5

So the average is increased by 5

Thank you,

MrB

3 0

4 years ago

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Maddie took a rock-climbing course at Boulder Bend Rock Gym. In addition to the fee for the 8 classes she took, the rock gym cha

Anika [276]

Answer:$9

Step-by-step explanation:

65+8x=137

137-65=72

72/8=9

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3 years ago

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3 years ago

What is the percent for;

lesantik [10]

Answer:

Step-by-step explanation:

First you have to make it into a fraction, then multiply it by 100 :

Q1.

$0.47 = \frac{47}{100}$

$\frac{47}{100} \times 100 = 47$

Q2.

$0.98 = \frac{98}{100}$

$\frac{98}{100} \times 100 = 98$

Q3.

$0.25 = \frac{25}{100}$

$\frac{25}{100} \times 100 = 25$

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3 years ago

In a recent grand prix, the winner completed the race with an average speed of 229.8 km/h. what was his speed in miles per hour,

Aleks04 [339]

In meters per second it is 63,83
In feet per second it is 209,43
In Miles per hours it is 142,79

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4 years ago