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Vlada [557]
3 years ago
10

I need help with number 3

Mathematics
2 answers:
hichkok12 [17]3 years ago
7 0
So one month at silver gym and a class costs $55 in total. One month at fit factor and one class costs $85 in total.

In order to have the same prices for both gyms, Sarah would have to buy 2 personal training classes from silver gym. $25+ $30= $55+$30=$85. (The price of fit factor)
faust18 [17]3 years ago
5 0
8 (4 sessions from each gym)
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Hiiiiiiiiiiiiiiiiiiii my frndz give me the answer3x/4-2y/3=5<br>2x/5+3y/5=17<br>​
weeeeeb [17]

Answer:

thank \: you

3 0
3 years ago
An epidemic has hit Minecole City. Its population is declining 34% every hour. In just 3 hours, there are only 25,143 people lef
Vinvika [58]
The answer is 87,455

P(x) = P(0) * nˣ
P(x) - the final population after period x
P(0) - the initial population
n - the growth factor in decimal
x - period of time

x = 3 hours
P(3) = 25,143
P(0) = ?
n = 100- 34% = 66% = 0.66


P(x) = P(0) * nˣ
25,143 = P(0) * 0.66³
25,143 = P(0) * 0.287496
P(0) = 25,143 / 0.287496
P(0) ≈ 87,455
7 0
3 years ago
All of the equations below are equivalent to 2x+3=x+1. Which transformation would not be justified using the commutative propert
ziro4ka [17]

Answer:

I think the answer is C

Step-by-step explanation: It could also be B

but then again it could be

6 0
3 years ago
Give the slope-intercept form of the equation of the line that is perpendicular to –7x + 5y = 12 and contains P(–7, 4).
kherson [118]

y = - \frac{5}{7} x - 1

the equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

rearrange - 7x + 5y = 12 into this form

add 7x to both sides

5y = 7x + 12 ( divide all terms by 5 )

y = \frac{7}{5} x + \frac{12}{5} ← in slope- intercept form

with slope m = \frac{7}{5}

given a line with slope m then the slope of a line perpendicular to it is

perpendicular slope = - \frac{1}{m} = - \frac{5}{7}

The partial equation of the perpendicular line is

y = - \frac{5}{7} x + c

to find c substitute (- 7, 4 ) into the partial equation

4 = 5 + c ⇒ c = 4 - 5 = - 1

y = - \frac{5}{7} x - 1 ← in slope- intercept form


8 0
3 years ago
What is the relationship between 0.04 and 0.004
podryga [215]
0.004 is one tenth of 0.04 or 0.04 is ten times 0.004
3 0
3 years ago
Read 2 more answers
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