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Mashcka [7]
3 years ago
6

Solve the system by the addition method. x + 3y = -2 5x + 2y = - 23

Mathematics
1 answer:
KatRina [158]3 years ago
7 0
What are you solving for? X? Y?
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What is two plus two
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Answer:

2+2=4

Step-by-step explanation:

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3 years ago
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A rectangular picture frame has an area of 45 square inches. If it has a length of 7 and 1/2 inches, what is its width?
svetlana [45]

Answer:

<h2>6</h2>

Step-by-step explanation:

To find the width/length when you know the area and the length or width, you just divide the area by the known side.

45/7.5 = 6

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Addy has five times more blue marbles than red marbles. She has twice as many red marbles than green marbles. She has 6 red marb
Igoryamba
6÷2=3 
(C) is the correct awnswer

Skip/ Addy had 3 green marbles 
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3 years ago
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Attorney A charges a fixed fee on $250 for an initial meeting and $150 per hour for all hours worked after that. Write an equati
Anettt [7]

let h be the number of hours then

A → C = 150h + 250 ( where C is charge )

B → C = 175h + 150

for 26 hours

A → C = (150 × 26 ) + 250 = 3900 + 250 = $4150

B → C = (175 × 26 ) + 150 = 4550 + 150 = $4700

Attorney A is cheaper for 26 hours, thus better deal

Equate the 2 equations to find hours they charge the same

175h + 150 = 150h + 250 ( subtract 150h from both sides )

25h + 150 = 250 ( subtract 150 from both sides )

25h = 100 ( divide both sides by 25 )

h = 4 ← number of hours when charges for both are equal

Thus Attorney A becomes a better deal at 5 hours


3 0
3 years ago
The length of a side of a regular hexagon is 6.8 cm, correct to one decimal place. Find the smallest possible perimeter of the l
marysya [2.9K]

Answer: 40.8cm

Step-by-step explanation:

A hexagon is a polygon that is made up of 6 sides. The perimeter of a regular hexagon is calculated by multiplying the side given by 6

Since the length of a side of a regular hexagon is 6.8 cm, the perimeter will be:

= 6 × 6.8

= 40.8cm

7 0
3 years ago
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