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enot [183]
3 years ago
13

Help help me help please help

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
6 0

Answer:

the value of DBC is 109 degrees

x is 17

hope this helps

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Which of the following statements are not proportional 4/6=9/12 2/3=12/18 5/4=10/8 7/5=36/25
DedPeter [7]
4/6 = 9/12 is not correct.
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4 years ago
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What is (2,7) rotated 90% clockwise
ohaa [14]

Answer:

The required point is, (7, -2)

Step-by-step explanation:

The straight  line passing through (0,0) and (2,7) is,

y = (\frac {7 -0}{2-0}) \times x

⇒ y = 3.5x --------------(1)

Now, the straight line perpendicular to this line and passing through (0, 0) is

y = (\frac {-1}{3.5}) \times x

⇒ 7y + 2x = 0 -------------(2)

Let, (h,k) be the required point.

then, it is on the line 7y + 2x = 0

⇒7k + 2h = 0

⇒k = (\frac {-2}{7}) \times h ------------(3)

Again, distance from (0,0) of (h, k) is same as that of (2,7)

⇒ h^{2} + k^{2} = 4 + 49 = 53

⇒h^{2} \times (\frac {53}{49}) = 53 [putting the value of k from (3)]

⇒h^{2} = 49

⇒h = 7 [since, (h,k) is in 4th quadrant, so,h >0]

So, k = -2 [putting the value of h in (3)]

So, the required point is, (7, -2)

5 0
3 years ago
Keely's hair is 43 centimeters long. What is the length of Keely's hair in millimeters? Use the number of zeros of the product w
Anna11 [10]
The answer is 430 hope this helps w
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What is the measure of minor arc ? 17° 75° 149° 211°.
Iteru [2.4K]

The possible measures of the angle at the center of the circle formed by the minor arc are 17°, 75°, and 149°.

<h3>What is the minor and major arc?</h3>

A major arc is an arc in the circle which measures less than 180° at the center of the circle, while a major arc is an arc that measures more than 180° at the center of the circle.

We know about the major and minor arc, therefore, from all the given options, 17°, 75°, and 149° are the measure of the angle that is less than 180°. Thus, these angles are will form the minor arc.

Hence, the possible measures of the angle at the center of the circle formed by the minor arc are 17°, 75°, and 149°.

Learn more about Arc:

brainly.com/question/14732475

8 0
2 years ago
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**************** :-)
Lorico [155]

I think the answer is n-20- first choice.

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