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Scrat [10]
3 years ago
10

What is the scale factor of 4 and 6 reduced by 1/2?

Mathematics
1 answer:
ruslelena [56]3 years ago
8 0

Answer:

n

Step-by-step explanation:

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Please answer this. (its easy)
elixir [45]

Answer:

x = 29

y = 93

Step-by-step explanation:

Angles 1 and 3 are vertical angles and congruent.

3x = 87

x = 29

Angles 2 and 3 are a linear pair and supplementary, so their measure have a sum of 180°.

y + 87 = 180

y = 93

5 0
2 years ago
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Napolean went on a bus trip, traveling at a speed of 55 miles per hour for 4 hours. Which equation will help you find the distan
chubhunter [2.5K]

Answer:

well we have the equation d = r * t

(d stands for distance, r for rate, and t for time)

So, plug in our values:

d = 55 *4

And, d = 220

Step-by-step explanation:

8 0
3 years ago
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Evaluate 12-x for x=5.<br> O 12<br> 7<br> O 17
bezimeni [28]

Answer:

7

Step-by-step explanation:

12-x

Let x = 5

12-5

7

3 0
3 years ago
Given: △ABC is equilateral. The radius of each circle is r. Find: AB
stich3 [128]

Answer:

2r (1 + √3)

Step-by-step explanation:

Circle O₁ is tangent to AB.  Let's call the point of intersection point D.  If we draw a radius from the center O₁ to D, we know this forms a right angle.

△ABC is an equilateral triangle, so we know m∠A = 60°.  If we draw a line from A to O₁, we know that bisects the angle, so m∠DAO₁ = 30°.

So △DAO₁ is a 30-60-90 triangle.  We can find the length AD:

AD = r √3

Now on the other side, circle O₃ is tangent to AB.  Let's call the point of intersection point E.  We know it's the same triangle we found earlier, so:

EB = r √3

And finally, we can draw a rectangle connecting O₁, O₃, E, and D.  The distance between O₁ and O₃ is 2r, so:

DE = 2r.

Therefore:

AB = r√3 + 2r + r√3

AB = 2r√3 + 2r

AB = 2r (1 + √3)

Here's a graph showing the steps.  Hopefully this helps, let me know if you have questions!

desmos.com/calculator/hgaonfzxsm

8 0
3 years ago
There are 74 children at a camp 38 are girls the rest are boys how many boys are at the camp
True [87]

Answer:

36 boys are at the camp

Step-by-step explanation:

4 0
2 years ago
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