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34kurt
3 years ago
13

The parabola y=

="latex-formula"> is shifted up by 7 units and to the left by 1 unit. What is the equation of the new parabola?
Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
7 0
Y=(x-h)^2+k where (h,k) is the vertex

So, equation of new parabola is:

y=(x+1)^2+7
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Since the beacons rotate together, the angular speed is constant.

From the time you see the first beacon, you have to wait for the lighthouse to make 120°, i.e. 1/3 of a whole turn.

So, if T is the time it takes for the lighthouse to make a whole turn, the interval between the first and the second beacon is T/3.

The interval between the second and third beacon is the amount of time it takes to the lighthouse to make the remaining 2/3 of a turn, so that you'll see the first beacon again. So, this time is 2T/3

So, the ratio is

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5 0
3 years ago
The quotient of a number j and 3 is 5
masha68 [24]

Answer:

j = 15

Step-by-step explanation:

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lyudmila [28]
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6 0
3 years ago
The weather forecast calls for high temperatures between 69° and 75°. Write this as an absolute value inequality, with t as temp
valentinak56 [21]
| t - 72 | < 3 
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<span>t - 72 < 3 </span>
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7 0
3 years ago
A kite has angle measures of 7x, 65, 85, and 105. Find the value of x. What are the measures of the angles that are congruent?
Gnesinka [82]

Answer:

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Step-by-step explanation:

A kite is a quadrilateral, so the sum of its angle measures is 360°.

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6 0
3 years ago
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