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Oksanka [162]
4 years ago
7

Rewrite 20x+10y=75 in slope intercept form

Mathematics
1 answer:
dedylja [7]4 years ago
8 0

Answer:

y=-2x+\dfrac{15}{2}

Step-by-step explanation:

You need to solve for y and put it in the y = mx + b form.

20x+10y=75

Divide all terms by 5.

4x+2y=15

Subtract 4x from both sides.

2y=-4x+15

Divide both sides by 2.

\dfrac{2y}{2}=\dfrac{-4x}{2}+\dfrac{15}{2}

Simplify.

y=-2x+\dfrac{15}{2}

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kondor19780726 [428]

The segment to draw is segment UT

Step-by-step explanation:

A line segment is a part of a line that is bounded by two two distinct  end points. In this case, segment UT is bounded by endpoints U and T. In the diagram, point R is not a segment but a point of intersection of segments BT and EU.

Learn More

Construction of a line segment: brainly.com/question/9716065

Keywords : proof, statement, reason, segments, reflexive property

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6 0
4 years ago
The graph shows the density of a substance. Find the density in kilograms per liter.<br> PLEASE HELP
Mandarinka [93]

Answer:

for every liter it is 1/2 kilograms

Step-by-step explanation:

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3 0
4 years ago
The perimeter of a rectangle changes from 2.5 to 10 after a dilation. What was the scale factor of the dilation?
kozerog [31]

Answer:

4

Step-by-step explanation:

To find the scale factor divide the new length by the original.

10/ 2.5 = 4

The scale factor is 4.

6 0
3 years ago
PLEASE HELP ME ILL GIVE BRAINLIEST IF YOU SHOW YOUR WORK
fomenos

Answer:

(32/5, -48/5)

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>

-4x + 16 = y

2x - 32 = 2y

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

<em>Substitution</em>

  1. Substitute in <em>y</em>:                                                                                                  2x - 32 = 2(-4x + 16)
  2. Distribute 2:                                                                                                    2x - 32 = -8x + 32
  3. [Addition Property of Equality] Add 8x on both sides:                                10x - 32 = 32
  4. [Addition Property of Equality] Add 32 on both sides:                                   10x = 64
  5. [Division Property of Equality] Divide 10 on both sides:                               x = 32/5

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

  1. Define original equation:                                                                               -4x + 16 = y
  2. Substitute in <em>x</em>:                                                                                                 -4(32/5) + 16 = y
  3. Multiply:                                                                                                           -128/5 + 16 = y
  4. Add:                                                                                                                   -48/5 = y
  5. Rewrite/Rearrange:                                                                                            y = -48/5
6 0
3 years ago
(6.1x10^30) (5.1x10^34)
Ilia_Sergeevich [38]
=31.11×10⁶⁴=3.111×10⁶⁵.
3 0
4 years ago
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