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AVprozaik [17]
3 years ago
14

I need help solving this question please with an explanation.

Mathematics
2 answers:
aivan3 [116]3 years ago
8 0
80 minutes to 30 minutes
KonstantinChe [14]3 years ago
8 0

Answer:

if he work 3 hours and earn 40.50

then the money he earn per hour is 40.50/3=13.5 ans

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Crazy boy [7]

Answer:

B) 5√3

Step-by-step explanation:


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3 years ago
I am 20 years older than twice my daughter's age how old is my daughter you should already know my age in the last problem
Nina [5.8K]

Answer:

You are 34 years old

Step-by-step explanation:

Because, 34-17=17

17 is half of 34.

2x+20=y

y-17=0.5y

+17    +17

y=0.5y+17

2(0.5y+17)+20=0.5y+17

y+34+20=0.5y+17

y+54=0.5y+17

y=34

7 0
3 years ago
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??math question?? graph
frutty [35]
The slope is \frac{5}{2} and the y intercept is -1
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4 0
4 years ago
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A furniture store purchased a sofa for $400. The store set the retail price at a 50% markup. When Karen purchases the sofa, she
andre [41]

Answer:

$648.

Step-by-step explanation:

$400+50% = $600

$600+8%=$648

6 0
4 years ago
Line k is graphed at right.
saw5 [17]

Answer:

See below ↓↓

Step-by-step explanation:

<u>Equation of line k</u>

  • y = mx + b
  • m = Δy/Δx (ratio of change in y to change in x) = 2/3
  • b = 3 (as y-intercept is [0,3])
  • ⇒ y = 2/3x + 3

<u />

<u>a. parallel line</u>

  • For parallel lines, slope (m) remains the same, but the y-intercept (b) changes
  • ⇒ <u>y = 2/3x + 1</u>

<u></u>

<u>b. perpendicular line</u>

  • For perpendicular lines, the slope (m) is the negative reciprocal of the original line and the value of b stays the same [it can be any point as long as it intersects the line]
  • ⇒ <u>y = -3/2x + 1</u>
5 0
2 years ago
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