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Solnce55 [7]
3 years ago
9

What is y=2x+4 and 3x+y=9 substitution method

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
8 0
You plug in 2x + 4 into the y for the other equation (3x +y ) and solve for it
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the new parking lot has spaces for 450 cars the ratio of spaces for full size cars to compact cars is 11 to 4 how many spaces ar
Bogdan [553]
The ratio 11:4 means that the total number of spaces is a multiple of 15 parts, this multiple is what value is assigned to each part.

450/15=30  so each part is equal to 30 spaces

Full sized car spaces are 11*30=330 spaces

Compact car spaces are 4*30=120 spaces.
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3 years ago
What do I put in blanks giving brainiest
Oxana [17]

Answer:

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Step-by-step explanation:

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2 years ago
A football player lost 10 yards when he was tackled. <br><br> a<br> 10<br> b<br> -10
Ganezh [65]
The key word “lost” indicates that the football player went back 10 yards. The correct answer is B. -10! :)
3 0
2 years ago
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How many ways are there to assign 8 visiting different studetns to one Stony Brook summer course, chossing from Calculus I, Line
Dmitry_Shevchenko [17]

Answer:

56 ways

Step-by-step explanation:

Number of ways is given by n combination r (n!/(n - r)!r!)

n = total number of students = 8, r = the number of summer courses = 3

Number of ways = 8 combination 3 = 8!/(8-3)!3! = 8!/5!3! = 8×7×6×5!/5!×6 = 8×7 = 56 ways

6 0
3 years ago
Please help!!! Will give brainly!! 50 points
andreyandreev [35.5K]

You can drag in the first empty box ∡3 and get ∡2≅∡3.

In the second box you can drag '' definition of angle bisector ''.

In the third empy box you can drag ∡1 and get ∡1≅∡3.

At last empy box you can drag ''transitive property of congruence''

Good luck!!!


5 0
3 years ago
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