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Nostrana [21]
3 years ago
9

5(x-3.8)=22 find the value of x

Mathematics
2 answers:
Vsevolod [243]3 years ago
5 0

Answer:

x = 8.2

Step-by-step explanation:

5 (x - 3.8) = 22

5x - 19 = 22

5x = 22 + 19

5x = 41

x = 41/5

x = 8.2

dezoksy [38]3 years ago
4 0

Answer:

5x-19=22

5x=41 (add 19 to both sides)

x=8.2

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The value of 3 1/3 + 2 1/2
Anvisha [2.4K]

Answer:

\frac{35}{2} .

Step-by-step explanation:

3  \frac{1}{3}  +  2  \frac{1}{2}  \\  \\  \frac{10}{3}  +  \frac{5}{2}  \\  \\  \frac{10 \times 2 + 5 \times 3}{6}  \\  \\  \frac{20 + 15}{6}  \\  \\  \frac{35}{6} .

6 0
2 years ago
Read 2 more answers
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
2 years ago
What is 287 divided by 2? Please show the work.
Rzqust [24]
287/2 is 143.5 This is a picture of how it's solved

4 0
3 years ago
Five times a number, decreased by 58, is -23. Find the number.
mr Goodwill [35]


Let's say the number is represented by x.

Five times the number is 5x.

5x - 58 = -23 (Add 58 to both sides)

5x = 35 (divide both sides by 5)

x = 7

The number is 7.

8 0
4 years ago
One light-year is equal to 9,460,600,000,000 kilometers. What is this distance represented in scientific notation​
Vsevolod [243]

Answer:

9.4606 × 10^12

Step-by-step explanation:

7 0
3 years ago
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