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Vika [28.1K]
2 years ago
5

Alice and Shivani went to lunch at a cafe. They ordered a spinach salad for $5.75, a tuna sandwich for $7.20, and 2 glasses of l

emonade for $1.30 each. The tax was $1.55. They gave the waiter $20.00. How much change should they have received?
Mathematics
1 answer:
Vikki [24]2 years ago
3 0

Answer:

$2.90

Step-by-step explanation:

Spinach    $5.75

Tuna         $7.20

2 lemonades    $2.60

tax =  $1.55

Sum = $17.10

Change = $20.00 - $17.10 = $2.90

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The figure shown is made up of triangle ABF and rectangle BCDE. The area of the figure is 90 square feet. If AB=BC=BF=FE, find A
Ludmilka [50]
The complete question in the attached figure

let
x-----> distance AB
so
AC=2x

we know that
area of the figure=area of triangle+area of rectangle
area of the figure=90 ft²

step 1
 find the area of triangle
A=b*h/2
b=x
h=x
so
A=(x*x)/2
Area of triangle=x²/2 ft²

step 2
find the area of rectangle
A=b*h
b=2x
h=x
A=(2x)*x------\ \textgreater \  A=2x^{2}
area rectangle=2x²

step 3 
find value of x
area of the figure=(x²/2)+2x²
area of the figure=90 ft²
90=(x²/2)+2x²-----> multiply by 2 both sides----> 180=x²+4x²
5x²=180-----> x²=36-----> x=6 ft

AC=2x-----> AC=2*6----> AC=12 ft

the answer is
AC=12 ft

6 0
3 years ago
What is the answer to 3(h+2)+4=-8
Murrr4er [49]

Answer:

-6

Step-by-step explanation:

Step 1: Simplify the Equation

Step 2: Solve the equation

Step 3: Find the answer and check the answer

6 0
2 years ago
Read 2 more answers
Can someone help? plz​
Alexandra [31]

Answer:

Step-by-step explanation:

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8 0
2 years ago
Can someone please help me with this?
Cerrena [4.2K]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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