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Digiron [165]
3 years ago
11

Refer to the equation x - 5y = 20.

Mathematics
1 answer:
Rainbow [258]3 years ago
5 0

Answer:

Kindly check explanation

Step-by-step explanation:

Given the equation :

X - 5y = 20

x - 20 = 5y

(x - 20) / 5 = y

x = - 5

y = (-5 - 20) / 5 = -5

x = 0

y = (0 - 20) / 5 = - 4

x = 5

y = (5 - 20) / 5 = - 3

x = 10

y = (10 - 20) / 5 = - 2

X : _____ - 5 ___ 0 ____ 5 ____10

y : _____ - 5 ___- 4 ___ - 3 ___ - 2

Kindly make use of a graph for better clarity and accuracy

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How did i work this out?
bogdanovich [222]

knowing the answer is between 3 & 4 plug those as x and see what you get for answers than adjust the number accordingly

3^3+2(3) = 33 so its higher than 3

4^3 + 2(4) = 72 so it is lower than 4

try the middle so try 3.5

3.5^3 + 2(3.5) = 49.875

question states use 1 decimal place so now try 3.6

3.6^3+2(3.6) = 53.856


3.5 is closest



6 0
3 years ago
sue makes 2% commission sales up to $5000. She makes 7.5% commission on sales over $5000. If Sue sold $15000 worth of merchandis
ikadub [295]

Answer:

$1125

Step-by-step explanation:

Since $15,000 is over $5000 the commission is 7.5%

Next you turn the percent into a decimal:

0.075

Now multiply $15,000 by 0.075

Answer = $1125

3 0
2 years ago
Name the other angles that are congruent to <1. There are three solutions to this question. Only write the number of the cong
Goshia [24]
The answer is 4 I believe so
4 0
3 years ago
Read 2 more answers
Due to erosion, a beach is
Olenka [21]

Answer:

17 years

Step-by-step explanation:

do 85 divided by 5

5 0
3 years ago
Read 2 more answers
Thank you for helping :D
padilas [110]
1. I chose Volleyball, which has only 2 kids. Football has 9 kids. So to find how many more kids prefer Football over Volleyball we subtract the two.

9-2= 7

2. The least popular sport is Volleyball, which again is 2.
And soccer has 7 kids who prefer Soccer over any other sport.

So it’s the same process, 7-2= 5
7 0
4 years ago
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