Can somebody help me please

Mathematics

1 answer:

mote1985 [20]3 years ago

5 0

Answer:

c and a

Step-by-step explanation:

the simple logistics would make it equal those 2 answers

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If 3x – 9 = -2x + 16, then 7x=?

skad [1K]

Answer:

The answer to this problem is x equals 14

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Please help with question

Step2247 [10]

To solve this problem you must apply the proccedure below:

1. Let's call:

x: hot dogs.
y: hamburguers.

2. Then, you must make a system of equations, as below:

5x+4y=12.25 (i)
4x+5y=12.50 (ii)

3. Now, you can solve the system of equation as below:

5x+4y=12.25
x=(12.25-4y)/5

4x+5y=12.50
4((12.25-4y)/5)+5y=12.50
y=1.5

4x+5y=12.50
4x+5(1.5)=12.50
x=1.25

4. Therefore, the answer is:

The cost of one hot dog is $1.25 and the cost of one hamburguer is $1.50

8 0

3 years ago

Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is 13.4 years with a s

Aliun [14]

Answer : 0.0129

Step-by-step explanation:

Given : Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is $\mu=13.4$ years and standard deviation is $\sigma=1.7$ years.