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3 years ago

What’s the difference between x and 4 is greater than 10

Mathematics

1 answer:

daser333 [38]3 years ago

6 0

Answer:

There is a whole range of speeds at which you are allowed to drive, not just one. In cases like this where there is more than one correct answer, we use inequalities, not equations, to represent the situation.

Inequalities are mathematical statements that define a range of values. They are easily recognizable because they contain the symbols <, ≤,>, or ≥.

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What’s 12 x 11? Please answer quickly

marin [14]

Answer:

132

Stage 1: Regroup.

12 x 10 = 120.

Stage 2: Add 12 more.

120 + 12 = 132.

Hope it helps!

8 0

4 years ago

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A piece of string is cut in half, so thata one half can be used to bundle newspapers for recycling. One thrid of the remaining s

lutik1710 [3]

The whole string was 2.4m. If you take 1/3 of 1/2x, you are just taking 1/6x. You know that what remains is 2m, and that it's the remaining 5/6. So you divide 2 by 5 and multiply that by six to get 2.4.

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3 years ago

Evaluate the surface integral. S xz dS S is the boundary of the region enclosed by the cylinder y2 + z2 = 16 and the planes x =

bagirrra123 [75]

If you project S onto the (x,y)-plane, it casts a "shadow" corresponding to the trapezoidal region

T = {(x,y) : 0 ≤ x ≤ 10 - y and -4 ≤ y ≤ 4}

Let z = f(x, y) = √(16 - y²) and z = g(x, y) = -√(16 - y²), each referring to one half of the cylinder to either side of the plane z = 0.

The surface element for the "positive" half is

dS = √(1 + (∂f/∂x)² + (∂f/dy)²) dx dy

dS = √(1 + 0 + 4y²/(16 - y²)) dx dy

dS = √((16 + 3y²)/(16 - y²)) dx dy

The the surface integral along this half is

$\displaystyle \iint_T xz \,dS = \int_{-4}^4 \int_0^{10-y} x \sqrt{16-y^2} \sqrt{\frac{16+3y^2}{16-y^2}} \, dx \, dy$

$\displaystyle \iint_T xz \,dS = \int_{-4}^4 \int_0^{10-y} x \sqrt{16+3y^2}\, dx \, dy$

$\displaystyle \iint_T xz \,dS = \frac12 \int_{-4}^4 (10-y)^2 \sqrt{16+3y^2} \, dy$

$\displaystyle \iint_T xz \,dS = 416\pi$

You'll find that the integral over the "negative" half has the same value, but multiplied by -1. Then the overall surface integral is 0.

8 0

3 years ago

Really easy points i’m just lazy

lesantik [10]

Answer:

Step-by-step explanation:

red and yellow, red and pink red and green,yellow and pink yellow and green pink and green

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3 years ago

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3 is subtracted from the square of a number.

frozen [14]

Answer:

$x^{2}$ -3

Step-by-step explanation:

Three subtracted by a square of a number. So, let's say the number is x. The square of it is $x^{2}$ . So $x^{2}$ -3 is three subtracted by a square of a number.

7 0

3 years ago