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malfutka [58]
3 years ago
10

Christopher is 20 years younger than Ishaan. Ishaan and Christopher first met two years ago. Fourteen years ago, Ishaan as old a

s Christopher. How old is Christopher?

Mathematics
2 answers:
OverLord2011 [107]3 years ago
6 0

Answer:

24 years

Step-by-step explanation:

Go through the image attached to understand it properly

kvasek [131]3 years ago
5 0

Answer:

24 years

Step-by-step explanation:

Let Christopher's age=c

Since Christopher is 20 years younger than Ishaan.

Ishaan's age=c+20

Fourteen years ago, Ishaan was three times as old as Christopher.

Their ages 14 years ago are:

For Christopher: c-14

For Ishaan: (c+20)-14

Therefore:

3(c-14)=c+6

3c-42=c+6

3c-c=6+42

2c=48

Divide both sides by 2

c=24

Christopher is 24 years old.

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Stacy goes to the county fair with her friends . The total cost of ride tickets is given by the equation c=3.5t , where c is the
madreJ [45]

Answer:

<h2><u>$52.5</u></h2>

Step-by-step explanation:

Step one:

given data

we are given that the linear function for the cost is  c=3.5t

c is the cost and

t is the number of tickets.

We are told that t=15, to find c, let us put the value of t in the linear function for the cost

c=3.5(15)\\\\c=52.5

<u>This shows that 15 tickets will cost $52.5</u>

<u />

3 0
3 years ago
Comedians Marjorie Main and Percy Kilbride star in the 1951 movie Ma and Pa Kettle Back on the Farm. Given the task of dividing
Rama09 [41]

Answer:

idk

Step-by-step explanation:

sorry

5 0
3 years ago
There are 200 student in middle school and three fifths of them are girls how many are boys?
nadezda [96]

Answer:

80

Step-by-step explanation:

3/5 of 200 = 120

200-120 = 80

7 0
3 years ago
Read 2 more answers
Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangle such that each of the sq
stiv31 [10]

Answer:

18

Step-by-step explanation:

Remark

This is one of those questions that can throw you. The problem is that do you include the original rectangle or not. The way it is written it sounds like you shouldn't

However if you don't the question gives you 2 complex answers. (answers with the sqrt( - 1) in them.

Solution

Let the width = x

Let the length = x + 5

Area of the rectangle: L * w = x * (x + 5)

Area of the smaller squares (there are 2)

Area = 2*s^2

x = s

Area = 2 * x^2

Area of the larger squares = 2 * (x+5)^2

Total Area

x*(x + 5) + 2x^2 + 2(x + 5)^2 = 120                 Expand

x^2 + 5x + 2x^2 + 2(x^2 + 10x + 25) = 120     Remove the brackets

x^2 + 5x + 2x^2 + 2x^2 + 20x + 50 = 120      collect the like terms on the left

5x^2 + 25x +  50 = 120                                   Subtract 120 from both sides.

5x^2 + 25x - 70 = 0                                         Divide through by 5

x^2 + 5x - 14 = 0                                               Factor

(x + 7)(x - 2) = 0                                                 x + 7 has no meaning  

x - 2 =  0

x = 2                                                              

Perimeter

P = 2*w + 2*L

w = 2

L = 2 + 5

L = 7

P = 2*2 + 2 * 7

P = 4 + 14

P = 18

8 0
3 years ago
Is 3.232323232323....... a rational number? *
uysha [10]

Answer:

Step-by-step explanation:

A. Yes it repeats

5 0
3 years ago
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