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xeze [42]
3 years ago
11

Carla paid $129 plus 6% sales tax for a guitar. What

Mathematics
1 answer:
Nesterboy [21]3 years ago
4 0

Answer:

136.74

Step-by-step explanation:

6 percent of $129 is $7.74

129 plus 7.74 = 136.74

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Pamela babysits for a family down the street. She earns $25 each time she visits. Write an expression that could be used to find
fgiga [73]
I believe it is 25 b or 25 times b
5 0
3 years ago
How do i solve for <br> (2x/5)+1=13/5
NNADVOKAT [17]

Answer:

x = 4

Step-by-step explanation:

  1. \frac{2x}{5} +1 = \frac{13}{5}  
  2. \frac{2x+5}{5} = \frac{13}{5} divide both sides by 5
  3. 2x + 5 = 13 subtract 5 from both sides
  4. 2x = 8 divide both sides by 2
  5. x = 4
5 0
3 years ago
What is the answer when subtracting (-3y2-8)-(5y2+1)?
Alona [7]

You have to distribute the minus sign to the second parenthesis, changing the sign of every term:

-3y^2-8-(5y^2+1) = -3y^2-8-5y^2-1 = -8y^2-9

3 0
3 years ago
Graph y = - 3x + 7 .
lbvjy [14]

Answer:

put your first point at 7 in y axis that point go down 3 to the rights side 1 and your point should be at (1,4) then connect the dots and that's how you graph it

Step-by-step explanation:

5 0
3 years ago
Does anyone know how to do this?
Elanso [62]

~Shoto Todoroki here~

Answer:

( n − 2 ) × 180

Step-by-step explanation:

The formula for calculating the sum of interior angles is ( n − 2 ) × 180 ∘ where is the number of sides. All the interior angles in a regular polygon are equal. The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides.

hope this helps :))

5 0
2 years ago
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