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riadik2000 [5.3K]
2 years ago
15

Can Anybody Help me?

Mathematics
2 answers:
Leviafan [203]2 years ago
8 0

Answer:

x=8, y=-1

Step-by-step explanation:

The figure is said to be a rectangle, which means opposite sides have to be equal in length. From this, we can write a system of equations:

5x-2y=42

2x+3y=13

There are a number of ways to solve this but I'll go with elimination--that means you need to try to remove one variable first by manipulating the equations and solve for the other variable. Then you use the solution to solve for the variable you initially removed. That sounds confusing, but let me show you how to do it.

If you multiply the first equation by 3 and the second equation by 2, you'll have have:

15x-6y=126

4x+6y=26

Now, we can add these two equations. The y will cancel out, so we can easily solve for x.

19x=152

x=8

Use this value of x to substitute back into either of the original equations to find y.

5(8)-2y=42

40-2y=42

-2y=2

y=-1

allochka39001 [22]2 years ago
6 0
X=8 y= negative 1 I think
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meriva
7x+4<46

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7x<42

7x(/7)<42(/7) <- Division Property of Equality

x<6

I hope this helps!
~kaikers
8 0
3 years ago
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klasskru [66]

Answer:

Plot -11 on the tick mark directly to the left of -10.

Step-by-step explanation:

Hope this helps!

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2 years ago
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Q1: Gabbi purchased a 30 lb. bag of dog food. Gabbi has 3 dogs that each eat 20 ounces of dog food per day. How many days will t
olya-2409 [2.1K]

Answer:

x=8

Step-by-step explanation:

First multiply 30 and 16 to find out how many ounces are in the 30 lb. bag of dog food.

30 x 16=480

Since the 3 dogs eat 20 ounces of food, we can make a equation.

3(20x)=480

20 x 3=60

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x=8

<u>Final answer</u>

8 days

3 0
3 years ago
Is this correct? If not plz get answers 25points!!!
katen-ka-za [31]

That is correct.

Sqrt 5 x sqrt20

Apply the radical rule to get sqrt( 5 x 20)

Simplify to get sqrt(100)

Sqrt(100) = 10

8 0
2 years ago
424.25 subtract 379.4
igor_vitrenko [27]
The answer is 44.85. Hope this helped! :)
7 0
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