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kramer
3 years ago
9

Solve this system by substitution. y = 5x - 15 y = 2x - 6 *Remember to write your answer as a coordinate point (x,y Solve this s

ystem by substitution​
Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
7 0
5x - 15 = 2x - 6
3x = 9
x = 3
Y = 5(3) - 15
Y = 0
(3,0)
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Graph the function y = |8 - 2x| + 3. Which is a point on the function? (6.2, 7.4) (7.8, 11.2) (8.6, 6.8) (9.6, 7.3)
Fiesta28 [93]
For this case we have the following function:
 y = | 8 - 2x | + 3

 The first thing you should do is graph the function to see the behavior.
 When observing the graph (in the attached image) we observe that the following point belongs to the graph:
 (6.2, 7.4)

 To prove it, let's evaluate the point in the function:
 7.4 = l 8 - 2 (6.2) l + 3

7.4 = l 8 - 12.4 l + 3

7.4 = l -4.4 l + 3

7.4 = 7.4
 The equation is fulfilled and therefore the point belongs to the graph.
 Answer:
 
(6.2, 7.4)
 
See attached image

8 0
3 years ago
Suma a doua numere este 98 iar diferenta lor este 82 aflati cele doua numere​
Virty [35]

Answer:

90 and 8

Step-by-step explanation:

The question is : the sum of two numbers is 98 and their difference is 82 find the two numbers

Let two numbers are x and y.

Sum of two numbers is 98

x+y = 98 ....(1)

The difference of two numbers is 82.

x-y=82....(2)

Adding equation (1) and (2) we get :

x+y+x-y=98+82

2x=180

x=90

Put the value of x in equation (1)

90+y = 98

y = 8

Hence, the two numbers are 90 and 8.

5 0
4 years ago
Solve for the value of x
mel-nik [20]
Well to find the value of x you need to get x alone. so you -1 from 3 and do 2/27 and your answer is 0.074
3 0
3 years ago
Round 2,583,999 to the nearest hundred thousand. I feel like the answer is 2,500,000 but the big numbers make me think it could
Lelechka [254]

Answer:

Its 2,600,000

5 0
3 years ago
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The wholesale cost of a pair of PUMA sneakers is $28. Academy Sporting Goods sells the sneaker for 74.99. Rounded to the nearest
FromTheMoon [43]

Answer:

167.8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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