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docker41 [41]
3 years ago
7

Please help and show work!!

Mathematics
1 answer:
leva [86]3 years ago
4 0

-3x+9y =18

add 3x to each side

9y = 3x+18

divide by 9

y = 3/9 x +18/9

y = 1/3 x+2

the slope is 1/3

the y intercept  is 2

-3x+9y =18  

let y=0 to find the x intercept

-3x=18

divide by -3

x=-6

the x intercept is -6

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brent counted 10 red cards, 10 black cards and 20 blue cards. what is the ratio of red cards to other cards
Ber [7]
Red Cards = 10
Other Cards (Black + Blue) = 10+20 = 30

So, the ratio would be: 10/30 = 1/3

So, your final answer is 1/3

Hope this helps!
4 0
3 years ago
What is the answer to #3?
Rudiy27
I believe the answer is the last option choice. 
6 0
3 years ago
your sister is considering two different shapes for her garden. one is a square with side lengths of 3.5 meters, and the other i
In-s [12.5K]
The area of a square: (3.5m)²=12.25m²
The area of a circle: π*(2m)²=12.57m²
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6 0
3 years ago
I don't know how to do this. I forget plz help
Leno4ka [110]
Ok so 
0.5%=0.005
0.005x=8
x=8/0.005
x=1600
8 is 0.5% of 1600
Hope this helps
If u still don't understand plz message me
If u understand plz brainlest me
If you continue with the same formula with a different problem then you will get it correct 
Thank you!
3 0
3 years ago
Read 2 more answers
A cinema can hold 270 people at one performance 5/9 of the seats were occupied of the occupied seats 40% we occupied by concessi
Elza [17]

Question:

A cinema can hold 270 people at one performance 5/9 of the seats were occupied of the occupied seats 40% we occupied by concessionary ticket holders.

What is the number of seats occupied by concessionary ticket holders?.

Answer:

60 seats

Step-by-step explanation:

Given

Number of seats = 270

Occupied Seats = 5/9

Concessionary ticket holders = 40% of occupied Seats

Required

The number of seats occupied by concessionary ticket holders

First the number of occupied seat has to be calculated.

Occupied\ Seats = \frac{5}{9} * 270

Occupied\ Seats = \frac{1350}{9}

Occupied\ Seats = 150

Next is to determine the number of seats occupied by concessionary ticket holders.

Number = 40\%\ of\ occupied\ seats

Number = 40\%\ of\ 150

Convert percentage to decimal

Number = 0.4 * 150

Number = 60

<em>Hence, 60 seats were occupied by concessionary ticket holders.</em>

5 0
2 years ago
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