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Paraphin [41]
3 years ago
14

Solve the system of subsitution method y=2-1 and y=x+3

Mathematics
1 answer:
aleksklad [387]3 years ago
4 0
The answer should be x=-2
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Each time Kristine gets paid, she spends $20 and saves the rest. If the amount Kristine earns is represented by x and the amount
faust18 [17]

We are given that Kristine spends $20 and saves the rest each time she get paid.

We can use slope-intercept form y=mx+b to represent the equation.

Where x represents the amount Kristine earns and y represents the amount she saves.

Kristine spends $20. Therefore b= -20.

Plugging mx as just x and b=-20.

<h3>y = x-20.</h3><h3>If we plug y=0, we get </h3><h3>0 = x-20</h3><h3>x=20.</h3><h3>We can see in 4th option we have x-intercept =20.</h3><h3>Therefore, correct option is 4th option. </h3><h3 />

4 0
3 years ago
Read 2 more answers
Which sequence is arithmetic?
MissTica

Answer:

11, 14, 17, 20

Step-by-step explanation:

An arithmetic sequence has a common difference d between consecutive terms.

Consider 2, 6, 18, 54

6 - 2 = 4, 18 - 6 = 12, 54 - 18 = 36 ← no common difference, not arithmetic

Consider 3, 6, 12, 24

6 - 3 = 3, 12 - 6 = 6, 24 - 12 = 12 ← no common difference, not arithmetic

Consider 11, 14, 17, 20

14 - 11 = 3, 17 - 14 = 3, 20 - 17 = 3 ← common difference of 3, so arithmetic

Consider 7, 11, 13, 18

11 - 7 = 4, 13 - 11 = 2, 18 - 13 = 5 ← no common difference, not arithmetic

The arithmetic sequence is 11, 14, 17, 20

3 0
3 years ago
What's the product of 42⁄3 and 111⁄4 ?
Rashid [163]

Answer:

222


Step-by-step explanation:

42/3 x 111/4 = (42 x 111)/(3 x 4)

42/3 x 111/4 = 2664/12

42/3 x 111/4 = 222

6 0
3 years ago
Read 2 more answers
(22-4)÷(2×3 equals what​
Yanka [14]

Answer:

3

Step-by-step explanation:

22-4 =18

2x3=6

18÷6=3

Remember to use the PEMDAS order of operation

Parenthesis, Exponent, Multiply, Divide, Add, Subtract :)

7 0
3 years ago
Select the correct answer from the drop-down menu.
saul85 [17]

For this case we have the following factorized expression:

(2y-9) (2y-9)

Applying distributive property we have:

(2y) (2y) - (2y) (9) - (9) (2y) + (9) (9) =\\4y ^ 2-18y-18y + 81 =

We add similar terms taking into account that: Equal signs are added and the same sign is placed.

4y ^ 2-36y + 81

ANswer:

4y ^ 2-36y + 81

3 0
3 years ago
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