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3 years ago

HELP 20 POINTS!! COMPARE 4.1 -3 1/2

Mathematics

2 answers:

GrogVix [38]3 years ago

8 0

The answer to your question is <

-3 1/2 is greater that -4.1

SVEN [57.7K]3 years ago

8 0

Answer:

-3 and 1/2 is greater.

Step-by-step explanation:

It is greater because when they are negative the smaller number is closer to the positive side.

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Answer:

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2 years ago

Drag each percent to match the situation. Each percent may be used only once.

Svetllana [295]

Answer:

1:80%

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3 years ago

H v is help me!!!!!!!!

Anon25 [30]

Answer:

He spent $15.51

Step-by-step explanation:

0.55x28.2=15.51

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2 years ago

The symmetry of a hyperbola with a center at (h, k) only occurs at y = k. True or False

Vikki [24]

A hyperbola with a center at (0, 0) can be defined as x²/a² − y²/b² = ±1.
The statement "The symmetry of a hyperbola with a center at (h, k) only occurs at y = k" is false, because a hyperbola have many different orientations.
It doesn't have to be symmetric about the lines y = k or x = h.

6 0

2 years ago

Kathy is fencing in her yard that has an area of 800 square feet. Her yard is in the shape of a rectangle where the length is 60

anygoal [31]

Answer:

The dimensions of the yard are W=20ft and L=40ft.

Step-by-step explanation:

Let be:

W: width of the yard.

L:length.

Now, we can write the equation of that relates length and width:

$L=5W-60$ (Equation #1)

The area of the yard can be expressed as (using equation #1 into #2):

$Area=W*L=W*(5W-60)$ (Equation #2)

Since the Area of the yard is $800 ft^2$ , then equation #2 turns into:

$800=W*(5W-60)$

Now, we rearrange this equation:

$800=W*(5W-60)//800=5W^2-60W//5W^2-60W-800=0$

We can divide the equation by 5 :

$W^2-12W-160=0$

We need to find the solution for this quadratic. Let's find the factors of 160 that multiplied yields -160 and added yields -12. Let's choose -20 and 8, since $(-20)*8=160$ and $-20+8=-12$ . The equation factorised looks like this:

$(W-20)(W+8)=0$

Therefore the possible solutions are W=20 and W=-8. We discard W=-8 since width must be a positive number. To find the length, we substitute the value of W in equation #1:

$5*20-60=40$

Therefore, the dimensions of the yard are W=20ft and L=40ft.

7 0

2 years ago