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2 years ago

Is 3xy + 8 = 4y a linear equation ?

Mathematics

2 answers:

WITCHER [35]2 years ago

3 0

Answer:

No because of the 3xy term. For an equation to be considered linear there has to be one y value for every x value given

Anni [7]2 years ago

3 0

It is not a linear equation because if you graph it is not linear. Each term must be either a constant or a product of a constant, but, in this case, there are 2 variables so it makes it non-linear looking at from a algebraic point-of-view.

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Solve for x : 13x + 7 = -227

Grace [21]

Answer:

-18

Step-by-step explanation:

1. Subtract 7 from both sides:

13x = -234

2. Divide 13 from both sides:

13x/13 = -234/13

x = -18

hope this helps!

7 0

1 year ago

Find the appropriate perimeter of the figure below

yanalaym [24]

Answer:

55.7 in.

Step-by-step explanation:

I assume the figure is a rectangle and a half circle.

The three sides of the rectangle that need to be added toward the perimeter measure 15 in., 10 in., and 15 in.

Then you need the circumference of the half circle which has a 10-inch diameter.

circumference = (pi)d

circumference = 3.14 * 10 in. = 31.4 in.

We only need half the circumference, so we have 31.4 in./2 = 15.7 in.

Now we add the three sides of the rectangle listed above and the circumference of the half circle.

perimeter = 15 in. + 10 in. + 15 in. + 15.7 in.

perimeter = 55.7 in.

8 0

3 years ago

Read 2 more answers

HELP I NEED IT FAST

Ainat [17]

Answer:

shape I is similar to shape Il is a translation 6 right and 1 up, then a dilation by a scale factor of 1/2 (center:origin (0,0).

Step-by-step explanation:

shape I is similar to shape Il is a translation 6 right and 1 up, then a dilation by a scale factor of 1/2.

8 0

2 years ago

The perimeter of a square picnic blanket is 40 feet. How long is each side?

jok3333 [9.3K]

Answer:

Perimeter of square: 4*side

Let's take the side to be 'x'

4x = 40

x = 10

Therefore, EACH SIDE = 10ft.

7 0

3 years ago

The first 5 terms of a quadratic sequence are

Mashcka [7]

Step-by-step explanation:

an = 2n^2 - 3 · Anonymous. -1, 5, 15, 29, 47, ... an = 2 n^2 - 3.

8 0

2 years ago