3 years ago

Solve the following system of equations: x − 2y = 6 2x − 4y = 10

Mathematics

1 answer:

sweet-ann [11.9K]3 years ago

3 0

There are no solutions. These two equations never intersect

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Alisa bought 3 shirts for $29 each and then spent $15 on lunch. She has $31 left. How much money did she have before?

pentagon [3]

Answer:

$133

Step-by-step explanation:

Let x = amount of money she had before she spent any money.

x - 29 - 29 - 29 - 15 = 31

x - 102 = 31

x = 133

Answer: She had $133.

8 0

2 years ago

Read 2 more answers

10y-50=<br> 10y−50=<br> \,\,-20<br> −20

densk [106]

Answer:

Therefore the value of 'y' is,

$y=3$

Step-by-step explanation:

Given:

$10y-50=-20$

To Find:

y= ?

Solution:

$10y-50=-20$ ........Given

Step 1. Adding 50 to both the side we get

$10y-50+50=-20+50\\10y=30$

Step 2. Dividing by 10 on both the side we get

$\dfrac{10y}{10}=\dfrac{30}{10}\\\\y=3$

Therefore the value of 'y' is,

$y=3$

6 0

2 years ago

A class of 40 students visits a farm they tour the farm in group of 5 how many groups of 5 can they make?

german

Answer:

Step-by-step explanation:

40 grouped into 5 = 40/5 = 8

5 0

3 years ago

Read 2 more answers

The teacher separated her class of twenty-eight students into two groups. One group has 4 more than twice as many students as th

wariber [46]

4+2x = x (x = student in smaller group)

4 + 2x + x = 28 (total # of students)
4+ 3x = 28
3x = 24
x = 8
8 students in the smaller group
4 + 2(8) = 20 students in the larger group

8 0

3 years ago

Does this table represent a function ? Why or why not

LuckyWell [14K]

B- i could be wrong though

3 0

2 years ago