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Effectus [21]
3 years ago
14

Luz’ family went out to breakfast on Saturday. The bill was $38.50 and the family wanted to leave a 20 percent tip for the serve

r. Below is Luz’s calculation.
$38.50(0.02) = $0.77

Did Luz calculate the gratuity correctly?

A) No, she should have multiplied by 2.
B) No, she should have multiplied by 0.2.
C) No, she should have divided by 2.
D) Yes, the tip is correct.
Mathematics
2 answers:
s2008m [1.1K]3 years ago
4 0

No. It would be B because she multiplied by 0.02 which is 1 percent and the tip is 20 percent. 0.2 is 20 percent, so it is B

Ulleksa [173]3 years ago
4 0

Answer:

Step-by-step explanation:

38.50 x 20%

38.50 x 0.20= 7.70

Answer: 7.70

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6x + 5y = 4 5. and 6x – 7y = –20 what does x and y equal?
irakobra [83]

Answer:

x=-1 y=2

Step-by-step explanation:

Use Elimination or Substitution (Elimination shown below)

6x+5y=4

6x-7y =-20 <- Multiply by -1

-6x+7y=20

12y = 24

y=2

Plug back into either of the equations and solve for x.

6x + 10= 4

6x = -6

x = -1

Double check work:

-6+10 = 4

6 0
3 years ago
A tree is 7 ft tall when it is planted and this type of tree grows two feet per year. How tall will the tree be in 6 years? How
s344n2d4d5 [400]

2x+7=?

X=6

2(6)+7=

12+7=19

In six years, the tree will be 19ft

2x+7=44

Minus seven on both sides

2x=37

Divide two from both sides

X=18.5

Thus, it will take 18 and a half years for the tree to reach 44ft

4 0
4 years ago
Find the x-intercepts of the polynomial function. <br> f(x) = x4 − x2
Sergio [31]
I hope this helps you



f (x)=x^2 (x^2-1)


f (x)=x^2 (x-1)(x+1)
5 0
3 years ago
Use mental math to solve the equation z/-12 = -5
Illusion [34]
Z=60

because
z/-12 = -5
z= (-5)(-12)
z= 60
7 0
3 years ago
A company uses a process cost accounting system. its assembly department's beginning inventory consisted of 50,000 units, 3/4 co
wolverine [178]

Using the weighted average method, the equivalent units to be considered would only be that which is completed within the month and those completed in the ending inventory. Since the ending inventory is only ¼ or 25% completed, therefore the total equivalent units is:

total equivalent units = 127,500 units + (0.25)*40,000 units

total equivalent units = 137,500 units

 

Since the direct labor costs is given to be $24,000 therefore the direct labor cost per equivalent unit is:

direct labor cost per equivalent unit = $24,000 / 137,500 units

direct labor cost per equivalent unit = $0.1745 

<span>direct labor cost per equivalent unit </span>= $0.17

 

Answer:

$0.17

8 0
3 years ago
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