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patriot [66]
3 years ago
10

PLEASE HELP FAST WITH THIS MATH

Mathematics
1 answer:
salantis [7]3 years ago
5 0
Yes yes no no yes is the answer
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Measure the angle and classify it as right,acute, or obtuse
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Step-by-step explanation: the angle is less that 90⁰

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What is y=x+2and 2x+y=8
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3 years ago
In a certain clothing store,6 shirts and 3 ties cost $79.50 ,and 3 shirts and 2 ties cost $41. determine the cost of each shirt.
Komok [63]

Answer:

Each shirt cost $12

Step-by-step explanation:

First, we have to interpret this question and turn each to an equation, letting shirts represent the letter s and ties represent the letter t.

6 shirts and 3 ties cost $79.50 would be interpreted to 6s+3t=79.5 ,and 3 shirts and 2 ties cost $41 would be interpreted to 3s+2t=41

Hence we have two equations, and we solve them simultaneously.

6s+3t=79.5 (Equation 1)

3s+2t=41 (Equation 2)

We can either use the substitution method or the elimination method but for the sake of this question, we use the Elimination method.

6s+3t=79.5 (Equation 1)

3s+2t=41 (Equation 2)

We multiply equation 1 by 2 and we multiply equation 2 by 3, I'm prefer to eliminate the

2(6s+3t=79.5)

12s+6t=159 Equation 3

3(3s+2t=41)

9s+6t=123 Equation 4

We subtract equation 4 from equation 3.

12s+6t=159

9s+6t=123

12s-9s=3s

6t-6t=0

159-123=36

We therefore have

3s=36

Divide both sides by 3

s=36/3

s=12

One shirt cost $12

3 0
3 years ago
Jeffery is parking cars just outside of a building. Some of the spots are occupied.
bogdanovich [222]
Where is the rest of the question??
3 0
2 years ago
What is another equivalent expression for -3(7 +5g)
Ilya [14]

Answer:

-21 - 15g

Step-by-step explanation:

You just have to distribute the -3 into the expression.  

-3(7 + 5g) = -21 -15g

⇒

7 0
2 years ago
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