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posledela
3 years ago
13

2. Solve the system using substitution. (1 point)

Mathematics
2 answers:
AveGali [126]3 years ago
7 0

Answer:

(8, 11 )

Step-by-step explanation:

Given the 2 equations

2x + 2y = 38 → (1)

y = x + 3 → (2)

Substitute y = x + 3 into (1)

2x + 2(x + 3) = 38 ← distribute and simplify left side

2x + 2x + 6 = 38

4x + 6 = 38 ( subtract 6 from both sides )

4x = 32 ( divide both sides by 4 )

x = 8

Substitute x = 8 into (2) for corresponding value of y

y = 8 + 3 = 11

Solution is (8, 11 )

Pepsi [2]3 years ago
7 0
It’s (8,11) if you sub everything
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Which list of ordered pairs represents solutions to x+y=2?
lbvjy [14]

Answer:

(-4, 6), (0, 2), (4, -2)

Step-by-step explanation:

You just need to guess and check.

(-4,6) → -4 + 6 = 2 ✔

(0,2) → 0+2 = 2 ✔

(4,2) → 4 + 2 = 6

(4, -2) → 4 - 2 = 2 ✔

(-4,-6) → -4 - 6 = -10

The correct answer is the second list (-4, 6), (0, 2), (4, -2)

7 0
3 years ago
What are the next 2 words in the pattern? half dollar, quarter, dime...
OleMash [197]

Answer:

Nickel and penny.

Step-by-step explanation:

The given pattern is

half dollar, quarter, dime...

This is a part of the pattern of US coins.

The pattern of US coins in decreasing order is

Dollar, half dollar, quarter, dime, nickel, penny.

It is clear that the next 2 words in this pattern after dime are nickel and penny.

Therefore, the required 2 words are nickel and penny.

8 0
4 years ago
ILL BRAINLIEST YOU PLEASE HELP ME
Rudik [331]

Answer:

AS IT IS RIGHT ANGLE .

THEREFORE, 1 ANGLE =90°

A=55°,

LET LAST ANGLE BE Y.

THEREFORE, Y=90-55=35°

RATIO OF A:Y=55:35=11/7

RATIO OF ANÔTHER SIDE :X=11:7

HYPOTENOUES=8

THEREFORE8^2=11X^2+7X^2

64=121X^2+49X

6 0
3 years ago
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Answer:

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Step-by-step explanation:

Please explain your questions better

6 0
3 years ago
There are 4 triangles and 16 squares.what is the simplest ratio of triangles to square
brilliants [131]
1:4
The ratio of triangles to squares is 4:16 unsimplified because there are 4 triangles and 16 squares. To simplify the ratio, think of it as a fraction:
4/16
The fraction can be simplified to 1/4, meaning that the simplest ratio is 1:4.
5 0
3 years ago
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