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3 years ago

The point is rotated 180 degrees using as the center. Explain why the image must lie on the ray. I need

Mathematics

1 answer:

kondor19780726 [428]3 years ago

8 0

Answer:

mmme fhvguefugwqfguise

Step-by-step explanation:

gxbobasax daov

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-2x+y=-8 and 4x-6y=-24 I need help :(

Varvara68 [4.7K]

Answer: <u>2x+y=-8</u> = <u>x=-1/2y-4 </u>

Step-by-step explanation:

2x+y=-8 -- Step 1: Add -y to both sides.

2x+y+−y=−8+−y

2x=−y−8

Step 2: Divide both sides by 2.

2x/2=-y-8/2

<h3 />

4x-6y=-24 -- Step 1: Add 6y to both sides.

4x−6y+6y=−24+6y

4x=6y−24

Step 2: Divide both sides by 4.

4x/4=6y-24/4

<h3>brainliest would be appreciated</h3>

3 0

3 years ago

Find that rate of change for the situation. You run 3 miles in one hour and 6 miles in two hours.

zhenek [66]

The rate of change in this situation is 3 to 1. Every hour you spend running you are able to advance three miles. 2 hours = 6 miles 3 hours = 9 miles 4 hours = Mindblown+ 12 miles.

Hope this Helps! :)

5 0

3 years ago

Suppose astronomers built a 50-meter telescope. how much greater would its light-collecting area be than that of the 10-meter ke

drek231 [11]

Answer: Its light-collecting area would be 25 times greater than that of the 10-meter keck telescope.

Step-by-step explanation:

1. To solve this problem you must apply the formula for calculate the area of a circle, which is shown below:

$A=r^{2}\pi$

Where<em> r</em> is the radius of the circle.

2. The diameter of a circle is:

$D=\frac{r}{2}$

Where <em>r</em> is the radius of the circle.

3. Therefore, keeping this on mind, you have that the light-collecting area of a 50-meter keck telescope is:

$A_1=(\frac{50m}{2})^{2}\pi=1963,49m^{2}$

4. And the light-collecting area of a 10-meter keck telescope is:

$A_2=(\frac{10m}{2})^{2}\pi=78.53m^{2}$

5. Divide $A_1$ by $A_2$ , then:

$\frac{1963.49m^{2}}{78.53m^{2}}=25$

6. Therefore, its light-collecting area would be 25 times greater than that of the 10-meter keck telescope.

4 0

4 years ago

Jack rolls 6 sided number cube labeled 1-6 twice. to the nearest hundredth, what is the probability that the first roll is 4 and

Dennis_Churaev [7]

The probability is 0.08.

The probability that the first roll is a 4 is 1/6, since there is one 4 out of six total possibilities.
The probability that the second roll is an even number is 3/6, since there are 3 even numbers out of 6 possibilities.

Together, we have 1/6(3/6) = 3/36 = 0.08

6 0

4 years ago

Read 2 more answers

Help me with volumes image: <br> Show work

Bas_tet [7]

(2x2x1)/2= 2

.................

6 0

3 years ago