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ella [17]
2 years ago
15

Help me please it would help me

Mathematics
1 answer:
vova2212 [387]2 years ago
5 0
<h3>Answer: Choice C</h3>

======================================================

Explanation:

The x coordinate of the preimage point Q is x = 6.

The x coordinate of the image point Q' is x = 21.

The ratio of image over preimage is 21/6 = (3*7)/(3*2) = 7/2

You'll get this same value if you do the same steps with the y coordinates.

Therefore, the scale factor is 7/2 and the dilation rule is (x,y) \to \left(\frac{7}{2}x, \frac{7}{2}y\right)

Note: 7/2 = 3.5

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How to solve this problem​
nevsk [136]

Let C be the center of the circle. The measure of arc VSU is 2+114x, so the measure of the minor arc VU is 360-(2+114x)=358-114x. The central angle VCU also has measure 358-114x.

Triangle CUV is isosceles, so the angles CVU and CUV are congruent. The interior angles of any triangle are supplementary (they add to 180 degrees) so

m\angle VCU+2m\angle CUV=180

\implies m\angle CUV=\dfrac{180-(358-114x)}2=57x-89

UT is tangent to the circle, so CU is perpendicular to UT. Angles CUV and VUT are complementary, so

(57x-89)+(31x+3)=90

\implies88x=176

\implies x=2

So finally,

m\widehat{VSU}=2+114\cdot2=230

degrees.

6 0
3 years ago
Please need help asap attachment
docker41 [41]

Answer:

3 + 6 = 9/12

simplyfy this:

3/4

Step-by-step explanation:

7 0
3 years ago
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Can somebody plz help write the equation for each question correclty thanks :D
VLD [36.1K]

Answer:

1. 482

2. 60

HOPE THIS HELPS YOU

5 0
3 years ago
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What is value of x-(3x+5) when x=-2​
Kamila [148]

Answer:

2

Step-by-step explanation:

3 * -2 = -6

-6 +5 = 1

-2 * -1 = 2

3 0
3 years ago
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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7Bx%20-%203%7D%20%2B%20%20%5Csqrt%7Bx%20%2B%205%7D%20%20%3D%204" id="TexFormula1" t
Nuetrik [128]
  • Answer:

<em>x = 4</em>

  • Step-by-step explanation:

<em>√x-3 + √x+5 = 4</em>

<em>(√x-3)² = (4-√x+5)²</em>

<em>x-3 = 16 - 8√x+5 + x+5 | -x</em>

<em>- 3 = 21 - 8√x+5</em>

<em>- 24 = - 8√x+5 | ×(-1)</em>

<em>24 = 8√x+5 | : 8</em>

<em>3 = √x+5</em>

<em>3² = (√x+5)²</em>

<em>9 = x + 5</em>

<em>x = 4</em>

3 0
3 years ago
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