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Dafna1 [17]
3 years ago
5

Picture attached below

Mathematics
1 answer:
zysi [14]3 years ago
6 0
Answer: number (3)

Explain:
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casey is six time as old as Ralph, In two years, she will be four time as old as Ralph. How old is each of them now?
Keith_Richards [23]

Casey is 18 years old and Ralph is 3 years old.

Step-by-step explanation:

Let,

Age of Casey = x

Age of Ralph = y

According to given statement;

x = 6y     Eqn 1

In two years

x+2=4(y+2)

x+2=4y+8

x = 4y+8-2

x = 4y+6     Eqn 2

Putting value of x from Eqn 1 in Eqn 2

6y=4y+6 \\6y-4y=6\\2y=6

Dividing both sides by 2

\frac{2y}{2}=\frac{6}{2}\\y=3

Putting y=3 in Eqn 1

x=6(3)\\x=18

Casey is 18 years old and Ralph is 3 years old.

Keywords: word problems, substitution method

Learn more about substitution method at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

7 0
3 years ago
01.02)V 196ind the answer to V48 and select the correct answerational or irrational?8 21, irrationalsv 3, irrational
scoray [572]
Simplifying √196 before doing the multiplication:
( √196 ÷ 7 ) × √48
= ( (√4 × √49) ÷ 7 ) × √48
= ( (2 × 7) ÷ 7 ) × √48
= 2√48
Simplifying √48:
= 2 × √16 × √3
= 2 × 4 × √3
= 8√3
which is irrational because it's a square root

6 0
3 years ago
An international company has 29,100 employees in one country. If this represents 23.7% of the company's employees, how many empl
WINSTONCH [101]

Answer:

122785 employees.

Step-by-step explanation:

Let the total number of employees be X

Given the following data;

Number of employees = 29100

Percentage = 23.7%

To find the total number of employees;

23.7/100 * X = 29100

Cross-multiplying, we have;

23.7X = 29100 * 100

23.7X = 2910000

X = 2910000/23.7

X = 122784.81 ≈ 122785 employees

6 0
2 years ago
What is 2+x if x=2? thanks
11Alexandr11 [23.1K]
Reorder 2 and x.
x + 2
4 0
3 years ago
Read 2 more answers
A test driver has to drive a car on a 1-mile track for two rounds in a way, that his average speed is 60 mph. On his first round
Darya [45]

(40+x)/2=60

40 +x = 120

x = 80


check :

40+80 = 120

120/2 = 60

 so his second round needs to be 80 mph

3 0
3 years ago
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