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leonid [27]
3 years ago
10

Ashley started the year with 45 comic books. Each month, she adds 5 more comic books to her collection. Which table correctly re

presents y, the number of comic books in her collection, after x months?
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 1, 2, 3. Column 2 is labeled y with entries 5, 50, 95, 140.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 1, 2, 3. Column 2 is labeled y with entries 45, 50, 55, 60.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 5, 10, 15. Column 2 is labeled y with entries 45, 46, 47, 48.
A 2-column table with 4 rows. Column 1 is labeled x with entries 0, 5, 10, 15. Column 2 is labeled y with entries 45, 90, 135, 180.
Mark this and return
Mathematics
2 answers:
Mrrafil [7]3 years ago
3 0

Answer:

2nd one.

Step-by-step explanation:

she starts with 45 books, so it's the "0th" month. then after, 1 = first month, so 50. 2= 2nd month, 55, and so on and so forth.

natima [27]3 years ago
3 0

Answer:B. Is the answer

Step-by-step explanation:

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inessss [21]

Answer:

  s = -24

Step-by-step explanation:

This is a 2-step linear equation, so can be solved the way all 2-step equations are solved.

<h3>Solution</h3>

<u>Step 1</u>

Identify the constant term on the side of the equation with the variable term, and add its opposite to both sides.

  7 = \dfrac{1}{6}s+11\qquad\text{given}\\\\7-11=\dfrac{1}{6}s+11-11\qquad\text{add $-11$ to both sides}\\\\-4=\dfrac{1}{6}s\qquad\text{simplify}

<u>Step 2</u>

Multiply both sides by the inverse of the coefficient of the variable.

  (6)(-4)=(6)\left(\dfrac{1}{6}s\right)\qquad\text{multiply both sides by 6}\\\\\boxed{-24=s}\qquad\text{simplify}

<h3>Alternate solution</h3>

Often, when equations contain fractions, you are advised to "eliminate fractions" as a first step. That generally means you multiply both sides of the equation by a suitable common denominator.

Here, the only denominator is 6, so the fraction can be eliminated by multiplying both sides of the equation by 6.

  7=\dfrac{1}{6}s+11\qquad\text{given}\\\\6(7)=6\left(\dfrac{1}{6}s+11\right)\qquad\text{multiply both sides by 6}\\\\42=s+66\qquad\text{simplify}\\\\42-66=s+66-66\qquad\text{add the opposite of 66 to both sides}\\\\\boxed{-24=s}\qquad\text{simplify}

You will note this requires the same number of steps, but you don't have to mess with fractions after the first step.

<h3>Check</h3>

The value we found for the variable can be checked in the original equation.

  7=\dfrac{1}{6}(-24)+11\\\\7=-4+11\qquad\text{true}

3 0
2 years ago
Plzz answer this question properly step by step
monitta

Answer:

54°

Step-by-step explanation:

∠A = 2x + 10, ∠C = 3x - 14

∠E + 266 = 360 (sum of angles around a point)

∠E = 360 - 266

∠E = 94°

AB is parallel to line BD. Lets draw a line cuts line AB and line BD to form ∠B and ∠D. Hence:

∠B + ∠D = 180° (sum of interior angles on the same side)

∠A + ∠B + ∠C + ∠D + ∠E = 540° (sum of angles in a pentagon)

2x + 10 + 3x - 14 + 94 + 180 = 540

5x + 270 = 540

5x = 540 - 270

5x = 270

x = 54°

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