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Amanda [17]
3 years ago
12

I need help with this -15= n -8

Mathematics
2 answers:
4vir4ik [10]3 years ago
7 0

Answer:

n = -7

Step-by-step explanation:

-15= n-8

n-8=-15

+8  +8

n=-7

Andre45 [30]3 years ago
5 0

Answer:

n = -7

Step-by-step explanation:

hope this helps

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Evaluate the expression for the given value of the variable.<br><br><br>n=500<br>∛n/4+n/10=?
schepotkina [342]

Answer:

55

Step-by-step explanation:

To solve the expression, \sqrt[3]{\frac{n}{4}} + \frac{n}{10} substitute n = 500 and simplify according to order of operations.

\sqrt[3]{\frac{500}{4} } + \frac{500}{10}\\\\\sqrt[3]{125}+50\\ 5+50\\\\55

4 0
3 years ago
Find the missing number based on the description below:
Nat2105 [25]

Answer:

The number is -2

Step-by-step explanation:

12 less than 7 times a number can be express as follows,

let the number = a

7a - 12

According to the question the number 7a - 12 is equals to 32 less than the product of - 3 and the number.

32 less than the product of -3 and the number can be express below.

-3a - 32. Therefore,

7a - 12 = -3a - 32

collect like terms

7a + 3a = - 32 + 12

10a = -20

divide both sides by 10

a = -20/10

a = -2

The number is -2

8 0
3 years ago
Solve the system.
svetoff [14.1K]

Answer:

(0, 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

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

y + 5x = 1

5y - x = 5

<u>Step 2: Rewrite Systems</u>

y + 5x = 1

  1. Subtract 5x on both sides:                    y = 1 - 5x

<u>Step 3: Redefine Systems</u>

y = 1 - 5x

5y - x = 5

<u>Step 4: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitution in <em>y</em>:                      5(1 - 5x) - x = 5
  2. Distribute 5:                             5 - 25x - x = 5
  3. Combine like terms:                5 - 26x = 5
  4. Isolate <em>x</em> term:                          -26x = 0
  5. Isolate <em>x</em>:                                   x = 0

<u>Step 5: Solve for </u><em><u>y</u></em>

  1. Define equation:                    5y - x = 5
  2. Substitute in <em>x</em>:                       5y - 0 = 5
  3. Subtract:                                 5y = 5
  4. Isolate <em>y</em>:                                 y = 1
8 0
2 years ago
What is the slope of (2,4) and (0,0)
cricket20 [7]

Answer:

slope = 2

Step-by-step explanation:

slope = (y2-y1)/(x2-x1)

    = (0-4)/(0-2)

  = -4/-2

 = 2


6 0
3 years ago
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You are shopping for school supplies. There is a sign at the front of the store advertising that you can either buy 4 binders an
Butoxors [25]

Answer:  2  and 3

Step-by-step explanation:

I did this and got it right

8 0
3 years ago
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