X+2y=14
x-3y=-11
substitution

Answers

Answer 1

Answer: To solve this system of equations using substitution, we can solve one equation for one variable and substitute it into the other equation. Let's solve the first equation for x:

x = 14 - 2y

Now, substitute this expression for x in the second equation:

(14 - 2y) - 3y = -11

Simplify the equation:

14 - 2y - 3y = -11

Combine like terms:

14 - 5y = -11

Now, solve for y:

-5y = -11 - 14

-5y = -25

y = -25 / -5

y = 5

Now, substitute the value of y back into the first equation to solve for x:

x + 2(5) = 14

x + 10 = 14

x = 14 - 10

x = 4

So, the solution to the system of equations is x = 4 and y = 5.
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Round 446,221 to the nearest ten

Answers

446,221 to the nearest ten is 446,220. This is because 1 is less than 5, and it’s only when a number is more than or equal to 5 that you round up to the nearest 10.

60 minutes is 20% of blank minutes

Answers

$p\%=(p)/(100)\n\n20\%=(20)/(100)=(2)/(10)=(1)/(5)\n\n60min\ of\ \boxed{x}\ is\ 20\%\n\Downarrow\n(60)/(x)=(1)/(5)\ \ \ \ \ |cross\ multiply\n\n1\cdot x=5\cdot 60\n\n\boxed{x=300}\n\n\underline{Answer:60\ min\ is\ 20\%\ of\ 300\ min.}$

Jayden gets a piece of candy for every 15 minutes he spends reading each day. The number of pieces of candy he receives each day is shown in the chart Monday = * * * Tuesday = * * Wednesday = * * * * * Thursday = Friday = * * * * If he spends 300 minutes reading during the week, how many pieces of candy did Jayden get on Thursday?

Answers

Answer:

20 peices

Step-by-step explanation:

Carl has three lengths of cable,5/6 yard long,1/4 yard long and 2/3 yard long.he needs at least one yard of cable. Which two pieces together Make a k Length at least 1 yard and closest to one yard