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igor_vitrenko [27]
3 years ago
6

Laura is now trying to come up with a number where three less than 8 times the number is equal to half of 16 times the umber aft

er it was increased by 1
Mathematics
1 answer:
ELEN [110]3 years ago
4 0
8n-3=1/2(16n+1)
is the equation i come up with which would have no solutions.
You might be interested in
75% of __ > 50% of __
EleoNora [17]

Answer:

75% of 500 > 50% of 100

Step-by-step explanation:

there is more than one answer tho

4 0
3 years ago
If 18 is added to a certain number and the sum is divided by 6, the result is 1 more than 14 of the original number. Find the or
Katyanochek1 [597]
The original number is 72 


(18+x)/6 = 1+14 
1/6x + 3 = 1 + 14 (Distribute)
1/6x + 3 = (1+14) (Combine Like Terms)
1/6x + 3 = 15 
        - 3 = -3          (Subtract 3 From Both Sides)
1/6x = 12 
(1/6x)*6 = 12 * 6  (Multiply Both Sides By 6)
x = 72


5 0
3 years ago
​You need to wrap a present that you will put inside a cylindrical container. You’ll need to know how much will fit in the conta
nirvana33 [79]

Answer:

149.28 sq. inches

137.5 cubic inches.

Step-by-step explanation:

The cylindrical container has length or height (h) 7 inches and has a diameter of 5 inches i.e. radius (r) 2.5 inches.

Now, total surface area of the container = 2\pi r^{2} + 2\pi rh

= \frac{2 \times 22 \times (2.5)^{2} }{7} + \frac{2 \times 22 \times 2.5 \times 7}{7}

= 39.28 + 110  

= 149.28 sq. inches (Answer)

Again the volume of the container will be \pi r^{2}h

= \frac{22 \times (2.5)^{2} \times 7}{7}

= 137.5 cubic inches. (Answer)

6 0
3 years ago
How do I do this problem with solution by elimination?<br> 2x+y=3<br> -2x+5y=-9
ddd [48]

Answer:

(2, -1)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

2x + y = 3

-2x + 5y = -9

<u>Step 2: Solve for </u><em><u>y</u></em>

<em>Elimination</em>

  1. Combine equations:                    6y = -6
  2. Divide 6 on both sides:               y = -1

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Define equation:                    2x + y = 3
  2. Substitute in <em>y</em>:                       2x - 1 = 3
  3. Isolate <em>y</em> term:                        2x = 4
  4. Isolate <em>y</em>:                                 x = 2
7 0
3 years ago
There is a bag containing 16 green marbles, 14 blue marbles and 13 red marbles.what is the least amount of marbles that i must p
Licemer1 [7]

Answer:

31

Step-by-step explanation:

16+14+1 = 31

There is a possibility that I pick out all (16) green marbles, then all (14) blue ones and the following (31-th) marble must be red

8 0
3 years ago
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