3 years ago

Solve 2x+y=-1 and -x+y=-7 in substitution method

Mathematics

1 answer:

lesantik [10]3 years ago

3 0

Answer:x=2 y=-5

Step-by-step explanation

You might be interested in

Select all irrational numbers. √4 √8 √10 √15 √35

larisa [96]

√4 =2
√8= 2√2
√10=√10 as (Decimal: 3.162278)
√15=√15 as (Decimal: 3.872983)
√35=√35 as (Decimal: 5.91608)

6 0

3 years ago

What is the value of 7

maw [93]

7 can be written as :-

7 + 0 = 7

7 - 0 = 7

7 × 1 = 7

7 ÷ 1 = 7

7¹ = 7

_____

Hope it helps ⚜

8 0

2 years ago

Reflect AQ'R'S' if Q'(1, -3), R'(-2,-6), and S'(-1,-1) over the x-axis.

castortr0y [4]

Answer:

Step-by-step explanation:

The rule of reflecting over the x-axis is that point (x, y) →( x, -y) so

Q'(1, -3), R'(-2,-6),and S'(-1,-1) reflected over the x-axis, become

Q"(1, 3), R"(-2, 6), and S"(-1, 1) .

6 0

3 years ago

What is the area of is circle? (circle is 4cm) Area= ? cm[2]

elena-14-01-66 [18.8K]

Answer:

16 cms if each side is 4. cc

3 0

3 years ago

Luis is saving up to buy a new phone. He already has $25 and can save an additional $6 per week using money from his after schoo

sdas [7]

Answer:

$85

Step-by-step explanation:

he would have $85 bc if u save 6 per week for 10 weeks that 60 yk so then 60 pu 25 is 85 not that hard tbh

3 0

2 years ago

Read 2 more answers

Solve 2x+y=-1 and -x+y=-7 in substitution method​

Solve 2x+y=-1 and -x+y=-7 in substitution method