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Artyom0805 [142]
2 years ago
9

What is the equivalent ratio of 9:3 ?

Mathematics
2 answers:
Stells [14]2 years ago
7 0
3:1 should be the answer.
Marat540 [252]2 years ago
6 0

Answer:

3 : 1

Step-by-step explanation:

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An elevator can hold a maximum of 1500 pounds. An average child weighs 75 pounds and the average adult weighs 150 pounds. The el
CaHeK987 [17]

<u>Let's take this problem step-by-step</u>:

<u>Let's first set up some variables</u>:

  • c: # of children
  • a: # of adults

<u>Let's examine the information given:</u>

  • Elevator can hold a maximum of 1500 pounds

          ⇒ average child is 75 pounds

          ⇒ average adult is 150 pounds

                 ⇒<em> therefore</em>: 75c + 150a\leq 1500

  • Elevator can fit no more than 14 people

          ⇒ <em>therefore</em>: c + a \leq 14

<u>Let's graph the equations</u>:

 75c+150a\leq 1500\\c+a\leq 14

    ⇒ look at the image attached

<u>The point at which the two graphs intersect:</u>

  ⇒ <em>is the solution that represents the amount of children and adults and </em>

<em>       their combine weight</em>

<em />

<u><em>With the horizontal axis being the # of children and vertical axis being the # of adults</em></u><em>:</em>

<em>  ⇒ the </em><em>solution is 8 children and 6 adults</em>

<em></em>

<u>Answer: 8 children and 6 adults</u>

<u></u>

Hope that helped!

<em />

               

7 0
1 year ago
How can you determine the number of solutions for an equation
ryzh [129]
The way to determine the number of solutions is to complete the problem in multiple different ways.
5 0
3 years ago
How is 1.35 x 10–5 written in standard notation?
natka813 [3]

Answer:

13.5x - 5

Step-by-step explanation:

8 0
2 years ago
In a probability experiment, Eric flipped a coin 39 times. The coin landed on heads 26 times. What is the ratio of heads to tail
PilotLPTM [1.2K]

Answer:

26 : 13

Explanation:

Total # of times the coin was flipped: 39

# of heads: 26

39 - 26 = 13

# of tails: 13

Heads : Tails

26 : 13

4 0
3 years ago
Amy joins a meal delivery service. Each family meal is $15, and there is a monthly flat shipping fee of $20. If Amy orders eight
8090 [49]

Answer: 140$

Step-by-step explanation: 15$ times 8 meals plus 20 dollar fee eaquals 140$

4 0
2 years ago
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