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Norma-Jean [14]
3 years ago
10

Which expression is equivalent to 18 1/5-(-22 2/5)-(-40 1/5)?

Mathematics
2 answers:
belka [17]3 years ago
5 0

The answer is D. Hope it helps!

Minchanka [31]3 years ago
4 0

Answer:

Step-by-step explanation:

D. 18 1/5 +22 2/5 +40 1/5

-(-22 2/5) and -(-40 1/5)    ----->  -*- will become +

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adelina 88 [10]

(\stackrel{x_1}{1}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{4}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{4}-\stackrel{y1}{2}}}{\underset{run} {\underset{x_2}{5}-\underset{x_1}{1}}}\implies \cfrac{2}{4}\implies \cfrac{1}{2}

8 0
2 years ago
How do i write the opposite of one-third of a number is greater than 9
gtnhenbr [62]
 1/3x<9. This is the....may be

7 0
3 years ago
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A store sells apples in 5-pound bags for $2.25. If the price per pound is the same, how much money would it cost for a 20-pound
dedylja [7]
I’m pretty sure the answer would be $9.00.
EXPLANATION:
2.25/5= 0.45
0.45x20= 9
ANSWER: $9.00
7 0
3 years ago
PLSSS HELP MEE SHOW UR WORK!!
kumpel [21]

Answer:

(-3, 13)

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
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

y = -4x + 1

11y = x + 146

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

<em>Substitution</em>

  1. Substitute in <em>y</em>:                                                                                                  11(-4x + 1) = x + 146
  2. Distribute 11:                                                                                                      -44x + 11 = x + 146
  3. [Addition Property of Equality] Add 44x on both sides:                                11 = 45x + 146
  4. [Subtraction Property of Equality] Subtract 146 on both sides:                      -135 = 45x
  5. [Division Property of Equality] Divide 45 on both sides:                              -3 = x
  6. Rewrite/Rearrange:                                                                                          x = -3

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

  1. Define original equation:                                                                                 y = -4x + 1
  2. Substitute in <em>x</em>:                                                                                                 y = -4(-3) + 1
  3. Multiply:                                                                                                           y = 12 + 1
  4. Add:                                                                                                                    y = 13
6 0
3 years ago
Find the distance between the points (3, -1) and (4, 6).
andrezito [222]

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{3}~,~\stackrel{y_1}{-1})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{6})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[4-3]^2+[6-(-1)]^2}\implies d=\sqrt{(4-3)^2+(6+1)^2} \\\\\\ d=\sqrt{50}\implies d\approx 7.07

6 0
3 years ago
Read 2 more answers
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