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andrew-mc [135]
3 years ago
11

A composition of reflections across two intersecting lines is a _____

Mathematics
1 answer:
kogti [31]3 years ago
4 0

A composition of reflections across two intersecting lines is a rotation.


I hope helped ^^

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Tickets to a concert cost $50 for each orchestra seat and $40 for each
Vsevolod [243]

Answer:

H. the number of orchestra seat is 900

Step-by-step explanation:

Step one:

let the number of orchestra seat be x

and balcony seat be y

cost of orchestra= $50 each

cost of balcony =$40 each

total tickets= 1500

x+y= 1500----------1

amount earned= $69000

50x+40y=69000--------2

The system of equation for the situation is

x+y= 1500----------1

50x+40y=69000--------2

from 1, x=1500-y

put this in equation 2

50(1500-y)+40y=69000

75000-50y+40y=69000

-10y=69000-75000

-10y=-6000

divide both sides by -10

y=-6000/-10

y=600

put y= 600 in equation 1

x+600= 1500

x=1500-600

x=900

6 0
3 years ago
Theres more then one! wich of these numbers are written in scientific notation!
mariarad [96]

Step-by-step explanation:

0.92×10^3

I think it helps you

6 0
3 years ago
what is "The temperature outside at 6 a.m. is 4 degrees celsius. The temperature rising by 1.5 degrees celsius every hour." in a
LiRa [457]

Answer:

7 a.m is 5.5

Step-by-step explanation:

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7 0
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What is the slope of the line through the points (–2, –1) and (8, –3)?
d1i1m1o1n [39]

Answer:

Step-by-step explanation:

Find the slope, denoted m

This is done by using the formula m = (y2 - y1)/(x2 - x1)

The slope for this problem is

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3 years ago
What's the equation of a circle whose diameter is 24 and whose center is at the origin
jekas [21]

Answer:

The standard form of the equation of a circle is,

                       (x - h)² + (y - k)² = r²

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Step-by-step explanation:

3 0
3 years ago
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