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AveGali [126]
3 years ago
6

Write down the value of the 3 In the number 731.8

Mathematics
2 answers:
DerKrebs [107]3 years ago
4 0

30

Step-by-step explanation:

break down the number

700

30

1

put it together you get 731

Sliva [168]3 years ago
3 0

Answer:

30

Step-by-step explanation:

First of all place value and value are two different things. Place value is the position of a number and value is literally the value of a number. So the place value of 731.8 is tens because the order goes units, tens, hundreds etc, but the value is 30 because as said before it is in the tens place value. And as you asking the value of the 3 in 731.8, it is 3x10, which is 30.

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GUYS PLEASE HELP ME HELP HELP PLEASE PLEASE!!! Simplify and solve for the unknown. Use order of operations as needed. Check your
grandymaker [24]

The solution is B = 43

Step-by-step explanation:

Simplify and solve for the unknown for 5(B + 3) = 4(B - 7) + 2B

  • Simplify each side
  • Add the like terms in each side if need
  • Separate the unknown in one side and the numerical term in the other side to find the value of the unknown

∵ 5(B + 3) = 4(B - 7) + 2B

- Multiply the bracket (B + 3) by 5 in the left hand side and multiply

  the bracket (B - 7) by 4 in the right hand side

∵ 5(B + 3 ) = 5(B) + 5(3) = 5B + 15

∵ 4(B - 7) = 4(B) - 4(7) = 4B - 28

∴ 5B + 15 = 4B - 28 + 2B

- Add the like terms in the right hand side

∵ 4B + 2B = 6B

∴ 5B + 15 = 6B - 28

- Add 28 to both sides

∴ 5B + 43 = 6B

- Subtract 5B from both sides

∴ 43 = B

- Switch the two sides

∴ B = 43

To check the answer substitute the value of B in each side if the two sides are equal then the solution is right

The left hand side

∵ 5(43 + 3) = 5(46) = 230

The right hand side

∵ 4(43 - 7) + 2(43) = 4(36) + 86 = 144 + 86 = 230

∴ L.H.S = R.H.S

∴ The solution B = 43 is right

The solution is B = 43

Learn more:

You can learn more about the solution of an equation in brainly.com/question/11229113

#LearnwithBrainly

7 0
3 years ago
a man retires at age 50 with $625,000 in savings.after 7 years of retirement, he has spent $259,000 of his savings and is consid
vaieri [72.5K]
Im not entirely sure what you are looking for, but if you are trying to find out how much he has left, you would take 625,000-259,000=366,000

He would have $366,000 left from his retirement.

Hope this helps! :)
3 0
3 years ago
Julia wants to find out which color fabric will heat up the fastest when put under a direct light.
Tanya [424]

Answer:

No, she has more than one independent variable.

Step-by-step explanation:

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3 years ago
I need help (please show your work)
oksano4ka [1.4K]

Answer:

the solution is (-4, 3)

Step-by-step explanation:

if you were to graph y = -7/4x - 4 you could plot your first point at (0, -4) and get your second point by going up 7 units (from (0, -4) and to the left by 4

if you were to graph y = -1/4x + 2 you could plot your first point at (0, 2) and get your second point by going up 1 unit (from (0, 2) and to the left by 4

the second point plotted for each equation will be the point of intersection, (-4, 3)

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3 years ago
A bag contains yellow marbles in red marbles 65 in total. The number of yellow marbles is five more than four times the number o
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Answer: there would be 52 yellow marbles

Step-by-step explanation:

Ok we know that there is 65 marbles in total? Right? So then we’d take 65 and think, what could we divide this by and start guessing and estimating numbers. (I guessed 5, one because it’s divisible by 65, two there is 5 times more yellow marbles than red marbles.) So 5 divided by 65 is 13. But, in order to find the amount of yellow marbles, we need to subtract the whole number by the amount of red marbles. (So 65-13 =?) if you subtract that you get 52 yellow marbles.  :)

7 0
3 years ago
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