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Elina [12.6K]
3 years ago
10

Which ordered pairs represents the y-intercept of the graph of the equation y = -3x-9

Mathematics
1 answer:
zepelin [54]3 years ago
6 0
To find the y-intercept plug a zero in for x and solve.
y = -3(0) - 9
y = -9

(0,-9) is how it would be written as an ordered pair.
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Find the volume of the figure.
Yakvenalex [24]

Answer:

233 in^3

Step-by-step explanation:

First we will find the volume of the square at the bottom

V = s^3  where s is the side length

V = 5^3

V = 125 in^3

Then we will find the volume of the rectangular prism at the top

V = l*w*h

V = 12*3*3

V =108 in^3

The total volume is the sum of the two volumes

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8 0
3 years ago
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I need help please!!
Jobisdone [24]
A
B
C
E
F
G
(It’s basically just a game of making pairs)
4 0
3 years ago
A theater charges $25 for adults and $15 for children. When the price of a child's ticket increases to $18 next year,the cost fo
Ilia_Sergeevich [38]
Given:
tickets for adults - 25
tickets for kids - 15
initial cost - 450
increase in tickets for kids to - 18
cost after increase - 480

let x be number of adults and y be number of kids

25x + 15y = 450
25x + 18y = 480

subtraction:

25x + 15y = 450
<u>-25x - 18y = -480</u>
 0      - 3y = - 30
         y = -30/-3
         y = 10

There are 10 kids.

25x + 15y = 450
25x + 15(10) = 450
25x + 150 = 450
25x = 450 - 150
25x = 300
x = 300/25
x = 12

There are 12 adults.

All in all there are 12 adults and 10 kids.

to check:
25x + 15y = 450
25(12) + 15(10) = 450
300 + 150 = 450
450 = 450

25x + 18y = 480
25(12) + 18(10) = 480
300 + 180 = 480
480 = 480
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4 years ago
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sattari [20]
There are 3280.8399! Hope I helped!

7 0
3 years ago
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4. If 7a = 14, then 12a -
givi [52]

Answer:

24

Step-by-step explanation:

the value of a is 2, therefore 7x2=14 and 12x2=24

8 0
4 years ago
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