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2 years ago

What is the range of possible sizes for side x?

Mathematics

2 answers:

inessss [21]2 years ago

6 0

Answer:

1.3 > x > 6.7

Step-by-step explanation:

The sizes would be 4.0 - 2.7 and 4.0 + 2.7, so 1.3 and 6.7, so

1.3 > x > 6.7

erastova [34]2 years ago

3 0

I believe the answer is 1.3 > x > 6.7

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Simplify the given expression, using only positive exponents. Then complete the statements that follow.

Alenkinab [10]

Answer:

lol but where is the main question

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2 years ago

13. Write the equation of a horizontal line that passes through the point (3, -3).

Step2247 [10]

Answer:

O y = -3

Step-by-step explanation:

The line is horizontal.

x = -3 and x = 3 are vertical lines, so they are incorrect.

The line passes through (3, -3).

(x , y)

Put y as -3.

y = 3

(-3) = 3

Line y = 3 is incorrect.

(-3) = -3

Line y = -3 is correct.

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2 years ago

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Find the curl of ~V ~V = sin(x) cos(y) tan(z) i + x^2y^2z^2 j + x^4y^4z^4 k

ch4aika [34]

Given

$\vec v = f(x,y,z)\,\vec\imath+g(x,y,z)\,\vec\jmath+h(x,y,z)\,\vec k \\\\ \vec v = \sin(x)\cos(y)\tan(z)\,\vec\imath + x^2y^2z^2\,\vec\jmath+x^4y^4z^4\,\vec k$

the curl of $\vec v$ is

$\displaystyle \nabla\times\vec v = \left(\frac{\partial h}{\partial y}-\frac{\partial g}{\partial z}\right)\,\vec\imath - \left(\frac{\partial h}{\partial x}-\frac{\partial f}{\partial z}\right)\,\vec\jmath + \left(\frac{\partial g}{\partial x}-\frac{\partial f}{\partial y}\right)\,\vec k$

$\nabla\times\vec v = \left(4x^4y^3z^4-2x^2y^2z\right)\,\vec\imath \\\\ - \left(4x^3y^4z^4-\sin(x)\cos(y)\sec^2(z)\right)\,\vec\jmath \\\\ + \left(2xy^2z^2+\sin(x)\sin(y)\tan(z)\right)\,\vec k$

$\nabla\times\vec v = \left(4x^4y^3z^4-2x^2y^2z\right)\,\vec\imath \\\\ + \left(\sin(x)\cos(y)\sec^2(z)-4x^3y^4z^4\right)\,\vec\jmath \\\\ + \left(2xy^2z^2+\sin(x)\sin(y)\tan(z)\right)\,\vec k$

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2 years ago

Apply the distributive property to create an equivalent expression. −9⋅(5j+k)

disa [49]

Step-by-step explanation:

step one: *multiply the negative 9 with the 5j.

which which will come out to be -45j

step 2: now now multiply the -9 with the k. which it comes out to be negative 9k.

step 3: -45j + -9k

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2 years ago

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A man traveled a certain number of miles by automobile and then nine times as far by airplane. His total trip was 600 miles in l

Alex17521 [72]

The miles he traveled by plane is nine times greater than the miles traveled by automobile. If the total is 600 miles, then the total distance traveled by automobile would be 60 miles, making the total traveled by airplane 540 miles.

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2 years ago