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amid [387]
4 years ago
15

HELP BRAINLIEST!!

Mathematics
2 answers:
Phoenix [80]4 years ago
7 0

Answer:

B) Right angles are congruent

vlabodo [156]4 years ago
4 0

Answer: B) Right angles are congruent

This is another way of saying "all 90 degrees are the same measure". The square angle marker indicates a right or 90 degree angle.

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At what point on the paraboloid y = x2 + z2 is the tangent plane parallel to the plane 3x + 2y + 7z = 2? (if an answer does not
Nikitich [7]
If f(x, y, z) = c represent a family of surfaces for different values of the constant c. The gradient of the function f defined as \nabla f is a vector normal to the surface f(x, y, z) = c.

Given <span>the paraboloid

y = x^2 + z^2.

We can rewrite it as a scalar value function f as follows:

f(x,y,z)=x^2-y+z^2=0

The normal to the </span><span>paraboloid at any point is given by:

\nabla f= i\frac{\partial}{\partial x}(x^2-y+z^2) - j\frac{\partial}{\partial y}(x^2-y+z^2) + k\frac{\partial}{\partial z}(x^2-y+z^2) \\  \\ =2xi-j+2zk

Also, the normal to the given plane 3x + 2y + 7z = 2 is given by:

3i+2j+7k

Equating the two normal vectors, we have:
</span>
2x=3\Rightarrow x= \frac{3}{2}  \\  \\ -1=2 \\ \\ 2z=7\Rightarrow z= \frac{7}{2}

Since, -1 = 2 is not possible, therefore there exist no such point <span>on the paraboloid y = x^2 + z^2 such that the tangent plane is parallel to the plane 3x + 2y + 7z = 2</span>.
4 0
4 years ago
12^2 - 6^2 equals what
allsm [11]

Answer:

112

Step-by-step explanation:

12 square= 144

6 squared =36

144-36=112

8 0
3 years ago
Read 2 more answers
Draw quick pictures to show the number 326
denpristay [2]
Heres how u make 3 large boxes to show 3 hundreths 2 skinny rectangles to show 2 tens and 6 lil boxes to show 6 ones all together youve got 326!

8 0
4 years ago
Two fair number cubes are rolled. State whether the events are mutually exclusive. Explain your reasoning.
liubo4ka [24]
The answer is B because if you think about it for example if the number is 4 and 4 it would give you 8 but that’s even and if you take 3 and 3 will give you 6 also another even so if you have the same two number you can always divide it by two
Hope this helps
7 0
3 years ago
840,007 rounded to the nearest thousand
blondinia [14]

Answer:

840,000

If it was 500 or more, it would be 841,000.

But since it is below 500, it is 840,000.

Hope it helps!

5 0
3 years ago
Read 2 more answers
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