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Simora [160]
3 years ago
10

the distance from the earth to the Sun is approximately 9.3×10^7 miles. if light travels 1.2×10^7 miles in 1 minute, how many mi

nutes does it take the light from the sun to reach the earth ?
Mathematics
1 answer:
Verizon [17]3 years ago
6 0
<span>t takes 5 1/3 minutes for light from the sun to reach earth. The Moon is closer to earth, so it,s light reaches earth faster about 5 19/60 minutes faster than from the sun. How long does light from the moon take to reach earth.</span>
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QUESTION 5 · 1 POINT
natali 33 [55]

Answer:

( x - 1) ( 2x + 3)

Step-by-step explanation:

It's actually the other way round.

2x^2- + x - 3

( 2x^2 - 2x) + (3x-3)

2x ( x-1 ) + 3( x-1)

( x -  1)(2x+3)

Its the other way around

HOPE IT HELPED

3 0
3 years ago
What is the maximum volume in cubic inches of an open box to be made from a 12-inch by 16-inch piece of cardboard by cutting out
Romashka-Z-Leto [24]

If you start with a 12x16 rectangle and cut square with side length x, when you bend the sides you'll have an inner rectangle with sides 12-2x and 16-2x, and a height of x.

So, the volume will be given by the product of the dimensions, i.e.

(12-2x)(16-2x)x = 4x^3-56x^2+192x

The derivative of this function is

12x^2-112x+192

and it equals zero if and only if

12x^2-112x+192=0 \iff x = \dfrac{14\pm 2\sqrt{13}}{3}

If we evaluate the volume function at these points, we have

f\left(\dfrac{14-2\sqrt{13}}{3}\right) = \dfrac{64}{27}(35+13\sqrt{13})> f\left(\dfrac{14-2\sqrt{13}}{3}\right) = -\dfrac{64}{27}(13\sqrt{13}-35)

So, the maximum volume is given if you cut a square with side length

x=\dfrac{14-2\sqrt{13}}{3}\approx 2.7

5 0
3 years ago
Which of the following is true for an isometry?
FrozenT [24]
Isometry is defined as the <span> transformation that is invariant with respect to  the distance
The statement that is true for isometry that is corrrect is
</span><span>The preimage and the image are congruent.
</span>so correct option is A as both the preimage and image are congruent
hope it helps<span />
5 0
3 years ago
Read 2 more answers
The area (A) of a triangle varies jointly as its ba
Harrizon [31]

Answer:

The area (A) of a triangle varies jointly as its ba

se (b) and height (h). If its base is 8 inches and i

ts height is 7 inches, it has an area of 28 square

inches. Find the base if its height is 5 inches an

5

d its area is 16 square inches.

Formulate the equation of variation.

Step-by-step explanation:

8 0
2 years ago
Need a bit of help with this​
natali 33 [55]

Answer:

<h2>∠HFG = 115°</h2>

Step-by-step explanation:

∠JFG + ∠HJF = 180° <em>[Adjacent angles of parallelogram are supplementary] </em>

<em>∠</em>JFG = 65°

=> 65° + ∠HJF = 180°

=> ∠HFG = 180° - 65°

=> ∠HFG = 115°

3 0
3 years ago
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