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AlexFokin [52]
3 years ago
6

Y=x +5 5x + 2y=1 Can you show the steps thanks

Mathematics
1 answer:
lubasha [3.4K]3 years ago
5 0

Answer:

(-9/7,-26/7)

[more detailed at the bottom of the explanation]

Step-by-step explanation:

I am assuming that this is a system of equations...

So, knowing that y is equal to x + 5, you would plug that in the second equation and find x. Then you would plug x and find y.

—————

Step 1)

Equation 1:

y = (x + 5)

Equation 2:

5x + 2y = 1

Equation 2 can also be written as:

5x + 2(x+5) = 1

I wrote x+5 instead of y because the first equation tells us that y is equal to x + 5.

—————

Step 2)

Solve for x .

5x + 2(x+5) = 1

5x + 2x + 10 = 1

7x + 10 = 1

7x = 1 - 10

7x = -9

x = -9/7

—————

Step 3)

Plug the x value back in the first equation.

y = -9/7 + 5

y = -26/7

—————

Solution:

x = -9/7

y = -26/7

In ordered pair form:

(-9/7,-26/7)

————— ————— —————

Hope this helps !!!!!!!

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3 hrs 20 minutes- 1 hr 48 minutes
Nana76 [90]

You first convert everything to minutes

3hrs= 60x3=180mins

1hr= 60x1=60mins

then you add 20 to 180

200

and you also add 48 to 60

104

200-104=

96

Then you convert to hrs and mins

96-60=36

1hr 36mins

5 0
3 years ago
there are 320 seats in the airplane. passengers are taking 3/5 of the seats. There are 47 seats being used by flight attendants.
iogann1982 [59]

Answer: 124

Step-by-step explanation:

Multiply 320 by 3/5 (.6) and you will get 192. Then you subtract 320 by 47 and get 316. You subtract 192 from 316 and get 124.

8 0
3 years ago
We can calculate the depth ddd of snow, in centimeters, that accumulates in Harper's yard during the first hhh hours of a snowst
inna [77]

Answer:

0.2 hours

Step-by-step explanation:

The depth, d of snow (in cm) that accumulates in Harper's yard during the first h hours of a snowstorm can be calculated using the equation:

d=5h

When d=1cm, we want to determine the value of h.

1=5h

h=1/5=0.2

Therefore, it takes 0.2 hours for 1 centimeter of snow to accumulate in Harper's yard.

3 0
3 years ago
Factor by grouping.. . 3x^2 + 7x – 6. A. (3x – 2)(x – 3) . B. (3x – 2)(x + 3) . C. (x + 3)(3x + 2) . D. (3x + 2)(x – 3)
Alchen [17]
The correct answer is letter "<span>B. (3x – 2)(x + 3)."
</span>
This is how to factor the given polynomial:
<span>3x^2 + 7x – 6
(3x - 2) (x + 3) 

It takes trial and error in order to get the final factor of a given polynomial. It has to be exact and correctly done.</span>
6 0
3 years ago
I am confused still, how would I do this?​
White raven [17]

Answer:

yes, its a solution

Step-by-step explanation:

6(-2)+5(1)=-7

-12+5=-7   this is correct

2(-2)-4(1)=-8

-4-4=-8     this is also correct

8 0
3 years ago
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