The ratio of a triangle is 2:3:4 the shortest side is 15 inches what is the perimeter

Answers

Answer 1

Answer: The perimeter is the sum of the side lengths, or x+y+z. The perimeter is 67.5 inches.

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Solve for g
7h+f=2h+g

Answers

7h + f = 2h + g
Put the numbers on one side beside of g
Find common terms and out them together.
7h - 2h +5h
5h + f = g that should be the answer

4 cans for $2.48 how much does 1 cost?

Answers

Answer:

4 cans for $2.48, so 2.48/4= $0.62 per can

Step-by-step explanation:

Answer:

Step-by-step explanation:

62 cents per can

X – 4y = 7 5x + 9y = 6 (4 points) A(3, –1)
B(3, 1)
C(1, –3)
D(–1, –3)

Answers

The solution to the given system of equations is (3, –1). The correct answer is option A.

The system of equations is given as:

x - 4y = 7 ....(1)

5x + 9y = 6 ....(2)

Solve the first equation for x:

x = 7 + 4y

Substitute the value of x in the second equation:

5(7 + 4y) + 9y = 6

35 + 20y + 9y = 6

29y = -29

y = -1

Substitute the value of y back into the first equation to find x:

x = 7 + 4(-1)

x = 7 - 4

x = 3

Therefore, the solution to the system of equations is x = 3 and y = -1.

Thus, the correct answer is option A.

Learn more about the equation here:

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The complete question is as follows:

Solve the below system of equations.

x – 4y = 7

5x + 9y = 6

A. (3, –1)

B. (3, 1)

C. (1, –3)

D. (–1, –3)

A is the correct answer.

Craig has a job waiting tables where he earns $3.15 per hour plus tips. Craig earned $79.48 in tips during his shift yesterday.If x represents the number of hours Craig worked yesterday, which of the following equations can be used to find the amount of money Craig earned yesterday?

A.
y = 3.15x + 79.48
B.
y = 79.48x + 3.15
C.
y = 79.48x - 3.15
D.
y = 3.15x - 79.48

Answers

Final answer:

The correct equation to determine the amount of money Craig earned yesterday is 'y = 3.15x + 79.48', where 'y' is the total money earned, '3.15' is the hourly wage, 'x' is the number of hours worked, and '79.48' is the total tips.

Explanation:

The subject of the question is a mathematical problem related to real-world applications of linear equations. In this problem, Craig earns a fixed number of dollars per hour, $3.15, plus a fixed amount of tips, $79.48. These two groups of money create his total earnings for the day. Therefore, the equation to represent this relationship should reflect this fact by multiplying the number of hours he works, represented by 'x', by his hourly wage, and then adding his total tips.

Therefore, the correct equation is: y = 3.15x + 79.48, where 'y' represents the total amount of money Craig earned yesterday. In this equation, '3.15x' represents Craig's earnings from his hourly wage, and '79.48' represents his tips.