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riadik2000 [5.3K]

2 years ago

13

Mrs. Murphy takes her two cats to the veterinarian in a pet carrier that weighs

1 answer:

Otrada [13]2 years ago

8 0

Thxxxxxxxxxxxxxx. Xxxxxxxxx

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Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

7 0

3 years ago

a group of 31 friends gets together to play a sport. first people must be divided into teams. each team has to exactly 4 players

azamat

We have the following values:
Total people: 31
People per team: 4
The number of teams will then be:
N = (31) / (4)
N = 7.75
Round to the previous whole number.
N = 7
There are 7 teams.
Answer:
they can make about 7 teams.

3 0

3 years ago

Can someone help me with this question?

vova2212 [387]

3 feet because you multiply 0.2 and 15

7 0

3 years ago

Read 2 more answers

A car dealership has 180 cars on their lot. If they increase their inventory by 25%, how many cars will be on the lot?

4vir4ik [10]

Answer:

There will be 225 cars on the lot.

8 0

2 years ago

Read 2 more answers

Feliz [49]

Answer:

PRT%

Step-by-step explanation:

<em>PR</em><em>T</em>

<em> $= 320 \times 2.3 \times 20 \div 100 = 1472$ </em>

5 0

2 years ago