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Molodets [167]
3 years ago
14

Karan needs to choose between two gym plans. he can either pay a $150 joining fee and a $10 monthly fee, or he can pay a $50 joi

ning fee and a $300 monthly fee
On what month will the cumulative costs of the plans be equal, and what will those total cost be?
Mathematics
1 answer:
Eva8 [605]3 years ago
3 0

Solution:

Let the cumulative costs of the plans will be equal after x months.

Then we can write

150+10x=50+300x\\ \\ 150-50=300x-10x\\ \\ 100=290x\\ \\ x=\frac{100}{290}\\ \\ x=\frac{10}{29}

Hence after 10/29th Month cost will be equal.

and that cost=150+\frac{10}{29} *10=\frac{4450}{29} $

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If a=12, b=3, and c=4 <br> D=a/bc<br> D=?
sineoko [7]
D= (12)/(3)(4)
d = 12/12
d = 1
6 0
3 years ago
Read 2 more answers
George eats 22 cookies per week, 7 of them are on
Andrei [34K]

Answer: 15 cookies a weekday

Step-by-step explanation:

22 - 7 = 15

this is because we exclude the cookies he eats on weekends because that is not a week day so we are left with 15

4 0
2 years ago
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The two lines y= 6x+15 and y= mx+4 intersect at x= -2. What is the y-coordinate of their intersection point
taurus [48]

Answer:

The y-coordinate of their intersection point is 3

That is y=3

Step-by-step explanation:

Given two lines are y=6x+15 and y=mx+4

Given that the two lines intersect at x=-2

To find the y coordinate of their intersection point :

Equating the two lines

6x+15=mx+4

6x+15-mx-4=0

6x-mx+11=0

(6-m)x+11=0

At x=-2  (6-m)x+11=0

(6-m)(-2)+11=0

(6-m)(-2)=-11

6-m=\frac{11}{2}

-m=\frac{11}{2}-6

-m=\frac{11-12}{2}

-m=\frac{-1}{2}

m=\frac{1}{2}

Substitute the value m=\frac{1}{2} in y=mx+4 we get

y=\frac{1}{2}x+4

At x=-2 y=\frac{1}{2}(-2)+4

=-1+4

=3

Therefore y=3

Therefore the y-coordinate of their intersection point is 3

7 0
3 years ago
Find the equation of the line passing through the points A (2,1) B (7,9)
Bezzdna [24]
m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}} = \frac{9 - 1}{7 - 2} = \frac{8}{5} = 1\frac{3}{5}
              y - y₁ = m(x - x₁)
               y - 1 = 1³/₅(x - 2) Point - Slope Form
               y - 1 = 1³/₅(x) - 1³/₅(2)
               y - 1 = 1³/₅x - 3¹/₅
                 + 1           + 1
                    y = 1³/₅x - 2¹/₅ Slope - Intercept Form
         -1³/₅x - y = 1³/₅x - 1³/₅x - 2¹/₅
          -1³/₅x - y = -2¹/₅
     -1(-1³/₅x - y) = -1(-2¹/₅)
-1(-1³/₅x) + 1(y) = 2¹/₅
           1³/₅x - y = 2¹/₅ Standard Form
         1³/₅(0) - y = 2¹/₅
                0 - y = 2¹/₅
                    -y = 2¹/₅
                    -1    -1
                     y = -2¹/₅ Y - Intercept
               (x, y) = (0, -2¹/₅)
7 0
3 years ago
How to do .please teache me step by step
Klio2033 [76]
T has 4 times what R has, so 2.105*4 which is 8.42
8 0
3 years ago
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