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jeyben [28]
2 years ago
13

PLEASE I BEG OF YOU HELP ME

Mathematics
1 answer:
earnstyle [38]2 years ago
4 0
It is 90 I believe please tell me if I was wrong
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The sum of two number is 6. Twice the first number added to three times the second number is 10. Write a system of equations and
seropon [69]

Answer:

4 and 2 are the required numbers which satisfies the given equations

Step-by-step explanation:

Let the two numbers be x and y

According to the first condition

their is is 6

which is

x + y =6                ........................(i)

Now according to second condition

twice the first number i.e. 2x added to three time the second number i.e. 3y is 10

in form of equation it could be written as

2x + 3y = 10           ........................(ii)

Now from first equation we have

x + y =6

subtracting y from both sides

x = 6 - y                    .....................(iii)

Now putting this value of x in equation (ii)

equation (ii) is

2x + 3y = 10

Putting the value gives

2(6-y)+3y = 10

opening the brackets

12 - 2y + 3y = 10

12 - y = 10

subtracting 12 from both sides

12 - y -12 = 10 -12

it becomes

- y = -2

multiplying both sides by (-1)

it becomes

(-1)(-y) = (-2) * (-1)

y = 2

Now we got the value of y put it in equation iii which is

x = 6 -y

putting the value

x = 6 - 2

x = 4

So the two numbers are x = 4 and y = 2

3 0
3 years ago
A snail can crawl 2 fiths of a meter in a minute. How many minutes will it take the snail to crawl 6 meters? Enter your answer i
Natasha2012 [34]
15 minutes because if you add 2/5 together 5 times you get 2 and you need 6 so 2+2+2=6 so you add 5+5+5=15 so your answer is 15.
6 0
3 years ago
Please answer it is really easy!! <br> |<br> |<br> |<br> |<br> V
BaLLatris [955]

The answer is 443 m^2

I explained it in the picture.

Hope it helps!

5 0
3 years ago
Given the functions f(x) = 10x + 25 and g(x) = x + 8, which function represents f[g(x)] correctly?
podryga [215]
It's asking for a composition function where you insert the function g(x) into f(x).
f(g(x))=10(x+8)+25
f(g(x))=10x+80+25
f(g(x))=10x+105


5 0
3 years ago
Read 2 more answers
5x+3y=-10 3x+5y=-6 using elimination?
icang [17]
Using the process of elimination, we will be able to determine the answer. So, 5x+3y=-10 multiply it by *3 to change the equation into 15x+9y=-30. Then to change 3x+5y=-6 multiply it by *5, to change it into 15x+25y=-30. So now with these two equations 15x+9y=-30 and 15x+25y=-30, use subtraction to get rid of the variable x.

Thus, 

15x+9y=-30
-
15x+25y=-30

which will leave you with 

-16y=0
thus, y=0

Then, plug y back into the original equation to find x

5x+3(0)=-10

5x=-10
x=-2

Thus the point of intersection is (-2,0)

-2 being the x, and y being 0.
5 0
3 years ago
Read 2 more answers
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