Ron has $49.Matt has $19 more than Ron.Naomi has $12 less than Matt.How much money do they have altogether?

Mathematics

2 answers:

Gekata [30.6K]3 years ago

8 0

49+19= 68 68-12=56. 49+68+56= 173$

EleoNora [17]3 years ago

5 0

The answer to your question is,

They have a total of $173 altogether!

-Mabel <3

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A square and rectangle have the same perimeters.The lengtj of a side of the square is 4x-1.The length of the rectangle is 2x+1 a

Ivanshal [37]

Well, the perimeter of a square is 4 times the side. The side of THIS square is (4x - 1), so the perimeter is 4 x (4x-1) = 16x - 4 . Hold that thought while we go over there and work on the rectangle.

The perimeter of a rectangle is (2 lengths) plus (2 widths). The length of THIS rectangle is (2x + 1), and 2 lengths = 2 x (2x+1) = 4x + 2. The rectangle's width is (x+2). Two widths add up to 2 x (x+2) = 2x + 4.

The total perimeter of the rectangle is (4x+2) + (2x+4) = 6x + 6 .

Now we have the expressions for the perimeters of both figures.

AND we know that their perimeters are EQUAL ... THAT's the very powerful piece of information that's going to bust this whole problem wide open.

(perimeter of the square) = (perimeter of the rectangle)

The equation that the question asked for: 16x - 4 = 6x + 6

That's the answer to the question that was posted. But we can't just leave it there. We've got to find out what 'x' actually is, and then find the perimeters of the square and the rectangle.

Add 4 to each side: 16x = 6x + 10

Subtract 6x from each side: 10x = 10

Divide each side by 10 : x = 1

Side of the square: (4x-1) = 3

Perimeter of the square: 4 x 3 = 12

Length of the rectangle: (2x+1) = 3

Width of the rectangle: (x+2) = 3

Perimeter of the rectangle = (2 lengths) + (2 widths) = 12

Do you notice anything strange and exciting ? The "rectangle" is actually another square, exactly the same shape and size as the "square" !

7 0

4 years ago

X+3=6 How do i do this will mark brainlest

irinina [24]

X+3=6
Subtract 3 from both sides
3-3=0
6-3=3
X=3

4 0

3 years ago

How do you graph this f(x)= -3/2|x|+5 if x≤4

LenaWriter [7]

Answer:

see below

Step-by-step explanation:

I enter the equation into a graphing calculator and let it do the graphing.

___

If you're graphing this by hand, you start by looking for the parent function. Here, it is |x|. That has a vertex of (0, 0) and a slope of +1 to the right of the vertex and a slope of -1 to the left of the vertex.

Here, the function is multiplied by -3/2, so will open downward and have slopes of magnitude 3/2 (not 1). The graph has been translated 5 units upward, so the vertex is (0, 5).

I'd start by plotting the vertex point at (0, 5), then identifying points with slope ±3/2 either side of it. To the left, it is left 2 and down 3 to (-2, 2). The points on the right of the vertex are symmetrically located about the y-axis, so one of them will be (2, 2).

Of course, you don't plot any function values for x > 4.