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Kryger [21]
3 years ago
12

Hhheellllpppppppppppppppp

Mathematics
2 answers:
katovenus [111]3 years ago
5 0

Answer:

4

Step-by-step explanation:

Ostrovityanka [42]3 years ago
3 0

Answer:

4

Step-by-step explanation:

Just multiply the 1 times 4

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Please help!<br> Hard math.
Reil [10]

Answer:

the value of digit 3 in 156.32 =

3 x 0.1 = 0.3


The value of digit 3 in 13 =

3 x 1 = 3

3/0.3=10 times

The value of digit 3 in 13 is 10 ten times the value of digit 3 in 156.32

As long as the (digit in ones/single digit) of a number is equal to 3

The value of digit 3 of it is always 10 ten times the value of digit 3 in 156.32


5 0
2 years ago
Choose the correct description of the graph of the inequality x - 3s 5.
padilas [110]

Answer:

x - 3 > = 5

x > = 5 + 3

x > = 8

closed circle on 8...because of the equal sign.....shaded to the right...because of the > sign.

Step-by-step explanation:

6 0
3 years ago
If i have a silver necklece at the price of 26 $ and its 50 percent of what was the orginal price.
amid [387]

50%=100%/2

26*2 = 52

Original price is 52 dollas

6 0
2 years ago
Read 2 more answers
So my math teacher doesn't give us any steps to know how to do the equations. She just tells us the unit, then the vocab plus th
Lemur [1.5K]

I personally understand what you are saying... everyone has a teacher like that at least once in their schooling.


Doing two-step equations can sometimes be tricky, even if you understand the topic pretty well. All two-step equations are: equations that require two objectives to solve for the variable (That's why it's called a <em>two-step </em>equation).

There are multi-step equations...but let's take one bite at a time.

First, let's establish one simple rule:

Anything you do to one side of the algebraic equation, you must do to the other side for the equation to remain true.

For example:

2x-4=20


So, we have this 2x-4 just chillin' out with the x. When trying to solve for a variable, this is usually not what we want. The x needs to be alone for us to know what x equals.

For the first step of getting x alone, we can add 4 on each side of the equation to cancel out the -4 on the variable's side. Remember to do it on both sides of the equation!

2x-4=20 becomes 2x-4+4=20+4

Did you see what I did there? All I did was basically add 4 to 2x-4 and 20. The equation remains equal, but using that simple rule, we were able to get one step closer to isolating the x in the equation.

To continue...

2x-4+4=20+4

2x-4+4 turns into 2x <em>(This is because the -4 and the +4 cancel out.)</em>

Now we have 2x=24

This next step should look familiar to you (assuming you already know how to solve for one-step equations, I'll keep it short and sweet).

2x=24

Now, since 2x is the same as saying 2 times x, we can do the opposite of multiplication...which is <em>division, </em>like so:

\frac{2x}{2} =\frac{24}{2}

The 2's will cancel each other out and \frac{24}{2} simplifies to 12.


Awesome! Looks like we solved our two-step equation!

In the equation: 2x-4=20 , x=12


Some things to remember:

  1. What ever you do to one side of the equation, you must do to the other.
  2. You want to apply the opposite sign of the number you are trying to cancel out of the equation while isolating the x.
  3. Never make it harder than it needs to be. It is called a two-step equation for a reason, multi-step requires more than two...but wait until you have to work those before you start using fifty different ways to solve the equation.

Hope I was able to help you out! Have a good one, and God bless!

<em>Also, if you are confused about something I answered, or I may be incorrect, feel free to let me know!</em>

4 0
3 years ago
A rectangular cow pasture is enclosed on three sides by a fence and the fourth side is part of the side of a barn that is $400$
Rudiy27

Let us list out the given information:

Cost per foot = $5

Total fencing cost = $1200

Let L be the length of the barn that will maximize the area of the pasture and W be the width of the rectangular cow pasture.

From the given information, we need to do the fencing for three sides covering 1 L and 2 W's because other L will be the fourth side is part of the side of a barn. We need to write the equation based on the cost information.

If cost/foot is $5, then cost of length ' L ' will be 5L dollars and cost of '2W' width equals 10W dollars. Total cost is $1200. We can set up second equation as

5L + 10W = 1200. This can be simplified by dividing throughout the equation by 5 to get L+ 2W= 240. Solving for L we get L = 240 - 2W

Area of a rectangle is given by A = L ×W.

Substituting 240 - 2W for L we get the area function as..

A=(240 - 2W)×W= 240W-2W²

A = -2W²+240W.

When we have a function of the form f(x) = ax^2 + bx + c, then maximum value of the function can be obtained for x = -b/2a. Using that idea we can find the maximum area.

Here in the area function a = -2 and b = 240

For W = -b/2a = -240/2(-2) = -240/-4 = 60 feet, we get maximum area.

The question is asking us to find Length. We can substitute W = 60 in the equation L = 240 - 2W to find the Length.

L = 240 - 2(60) = 240 - 120 = 120 feet.

Conclusion: The length of the side parallel to the barn that will maximize the area of the pasture is 120 feet.

Note: Here the information 400 feet in the sentence "the fourth side is part of the side of a barn that is 400 feet long" given to distract us, we might not require that information to find the Length.

3 0
3 years ago
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