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IrinaK [193]
3 years ago
7

Triangle QNP was dilated by a scale factor of One-third about point P. It was then transformed in another way to produce Triangl

e Q prime N prime P prime.
On a coordinate plane, triangle Q N P has points (negative 1, 0), (negative 7, 9), (negative 1, 9). Triangle Q prime N prime P prime has points (6, 1), (9, 3), (9, 1).


Which identifies the transformation that occurred after the dilation?

a 90 degrees clockwise rotation about the origin

a 180 degrees clockwise rotation about the origin

a reflection across the x-axis

a reflection across the y-axis
Mathematics
2 answers:
Lisa [10]3 years ago
4 0

Answer:

It's A

Step-by-step explanation:

Just took the test

Mila [183]3 years ago
3 0

Answer:

a

Step-by-step explanation:

edge 2020

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While setting up a fireworks display, you have a tool at the top of the
atroni [7]

Answer:

0.79 sec

Step-by-step explanation:

Given there is a tool at the top of the building which is dropped by a worker and it follows the following equation at every instant of time .

h(t)=-16t^{2} +h_{0}

where h_{0} =10 feet

We know that this height is measured from the base of the building which means that when the tool reaches the bottom of the building it has h = 0 feet.

Let this be done at time t

h(t) = 0

-16t^{2} +10=0

t^{2} =\frac{10}{16}

t=\frac{\sqrt{10} }{4}

t = 0.79 sec

Therefore the total time taken by the tool to reach the bottom of the building is 0.79 sec.

8 0
3 years ago
What is the percent of 5/8
Nady [450]
62.5% is the percent off 5/8
4 0
3 years ago
Which equation is in standard form?
Sauron [17]
Standard form is

ax + by = c

Only choice A is in that form.
6 0
3 years ago
Read 2 more answers
A van starts off 191 miles directly north from the city of Morristown. It travels due east at a speed of 25 miles per hour. Afte
coldgirl [10]

Answer:

Distance between the van and Morristown is changing at the rate of 13.22 miles per hour.

Step-by-step explanation:

From the figure attached,

Van starts from C (City of Morristown), reaches the point A 191 miles due North and then it travels with a speed of 25 miles per hour due East from A towards B.

We have to calculate the rate of change of distance BC, when the van reaches point B which is 119 miles away from A.

By Pythagoras theorem in the triangle ABC,

BC^{2}=AB^{2}+AC^{2}

Distance AC is constant equal to 191 mi.

By differentiating the equation with respect to time 't'

2BC.\frac{d(BC)}{dt}=0+2AB.\frac{d(AB)}{dt}

BC.\frac{d(BC)}{dt}=AB.\frac{d(AB)}{dt}

Since BC² = (119)²+ (191)²

BC = √50642 = 225.04 miles

From the differential equation,

(225.03).\frac{d(BC)}{dt}=119\times 25 [Since \frac{d(AB)}{dt}=25 miles per hour]

\frac{d(BC)}{dt}=13.22 miles per hour

Therefore, distance between the van and Morristown is changing at the rate of 13.22 miles per hour.

4 0
3 years ago
Choose the statement beloe that lists the sides in order from Least to Greatest.
kolezko [41]

Option A: SU, TU, ST is the right answer

Step-by-step explanation:

In a triangle

  • The largest side and the largest angle are opposite to each other
  • The shortest side and the shortest angle are opposite to each other.

So using the above axioms we can observe the triangle.

  1. The largest angle is m∠U = 80° so the side opposite to it is the largest i.e. ST is the largest
  2. The smallest angle is m∠T = 25° so the shortest side is SU
  3. The third side will be the middle side as the angle ∠S is greater than 25° and less than 80°

So the sides in order from least to greatest are: SU, TU, ST

Hence,

Option A: SU, TU, ST is the right answer

Keywords: Geometry, Triangles

Learn more about triangles at:

  • brainly.com/question/10941043
  • brainly.com/question/10978510

#LearnwithBrainly

5 0
3 years ago
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