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2 years ago

8

Mathematics

2 answers:

Anarel [89]2 years ago

4 0

Answer:

C. right angle

Step-by-step explanation:

when they're shaped like L they're right angles which are always 90 degrees:)

straight angles look like flat lines _ and are always 180 degrees

obtuse angles are bigger than an L shape (more than 90 degrees) but smaller than flat line shapes (less than 180 degrees)

acute angles are smaller than L shapes < (less than 90 degrees)

wolverine [178]2 years ago

3 0

Answer:c
explanation: its 90 degrees

good luck!

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Maya had $27. She spent all the money on buying 3 burgers for $x each and 2 sandwiches for $y each. If Maya would have bought 2

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Answer:

Option C

The student's conclusion is correct because the solution to the system of equations $3x+2y=27$ and $2x+y=16$ is $(5,6)$

Step-by-step explanation:

Let

x------> the cost of each burger

y-----> the cost of each sandwich

we know that

$3x+2y=27$ -----> equation A

$2x+y=(27-11)$

$2x+y=16$ ----> equation B

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Multiply the equation B by $-2$

$-2(2x+y)=-2*16$ -----> $-4x-2y=-32$ ------> equation C

Adds equation A and equation C

$3x+2y=27 \\-4x-2y=-32\\ ----------\\ 3x-4x=27-32\\ -x=-5\\x=5$

Substitute the value of x in the equation B

$2(5)+y=16$

$10+y=16$

$y=6$

The solution of the system of equations is the point $(5,6)$

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2 years ago

Read 2 more answers