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3 years ago

7

I NEED HELP PLEASE HAVE BEEN ON THIS QUESTION FOR A WHILE

1 answer:

belka [17]3 years ago

5 0

Answer:44

Step-by-step explanation:

That’s what I got

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Using the Pythagorean Theorem, which two examples are right triangles?

eimsori [14]

Answer:

2 and 4

Step-by-step explanation:

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3 years ago

Help!! Only one attempt left!

Arturiano [62]

Answer:

The answer is none of the above

Step-by-step explanation:

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3 years ago

What is the equation of a sphere?

Charra [1.4K]

Answer:The general equation of a sphere is: (x - a)² + (y - b)² + (z - c)² = r², where (a, b, c) represents the center of the sphere, r represents the radius, and x, y, and z are the coordinates of the points on the surface of the sphere.

Step-by-step explanation:

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3 years ago

Quadrilateral QRST is a parallelogram. Solve for x (3x+5) (9x-17)

Naddika [18.5K]

Given:

Consider the below figure attached with this equation.

Quadrilateral QRST is a parallelogram.

To find:

The value of x.

Solution:

We know that the sum of two consecutive interior angles of a parallelogram is 180 degrees because they are supplementary angles.

In parallelogram QRST,

$m\angle Q+m\angle T=180^\circ$

$(3x+5)^\circ+(9x-17)^\circ=180^\circ$

$(12x-12)^\circ=180^\circ$

On comparing both sides, we get

$12x-12=180$

$12x=180+12$

$12x=192$

Divide both sides by 12.

$x=\dfrac{192}{12}$

$x=16$

Therefore, the value of x is 16.

5 0

3 years ago

Sphere B is the image of sphere A after dilation by a scale factor of 44. If the surface area of sphere B is 432 km^2, find the

Sergeeva-Olga [200]

<h2>Answer:</h2>

27 km²

<h2>Step-by-step explanation:</h2>

$SA=4\pi Jr^2$

$4\pi r^2_B=432$

$r^2_B=\frac{108}{\pi}$

$r_B=\frac{6\sqrt3}{\sqrt{50}}$

$r_A=\frac{r_B}{4}=\frac{3\sqrt3}{2\sqrt\pi}$

$S_0SA=4\pi Y\begin{matrix}2\\A\\\end{matrix}$

$=4\pi\bullet\frac{27}{4\pi}$

$=27\ km$

$Y_B:Y_A=4=1$

$SA_B:SA_A=16:1$

$432\div 16=27\ km^2$

$simple\ relation.$

<em>I hope this helps you</em>

<em>:)</em>

7 0

2 years ago