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qwelly [4]
3 years ago
10

Amanda's parents had a birthday dinner for her at Sushi Yama restaurant. The bill came to $74 before the tip. They left an 18% t

ip. What was the total cost of Amanda's birthday dinner?
Mathematics
1 answer:
Vika [28.1K]3 years ago
3 0

Answer:

<h2>$87.32</h2>

Step-by-step explanation:

Step one:

given data

we are told that the initial bill is $74

thereafter they gave a tip worth 18% of the bill

let us compute what 18% of $74 will amount to

Step two:

=18/100*74

=0.18*74

=$13.32

The added expenses is $13.32

Hence the total cost is

the initial bill plus the tip

=74+13.32

=$87.32

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kramer

Answer:

x=19/5

Step-by-step explanation:

x*2+8x=38

10x  =38

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Write an expression that can be used to solve the problem.
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What is the value of y?
Inessa [10]
I think it’s b but I’m not sure
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Find the angle between the given vectors to the nearest tenth of a degree. u = (8, 4), v = (9, -9)
Usimov [2.4K]

Answer:

<em>71.6 degrees </em>

Step-by-step explanation:

The formula for calculating the angle between two vectors is expressed as;

u.v = |u||v|cos theta

u.v = (8, 4).(9, -9)

u.v = 8(9)+4(-9)

u.v = 72-36

u.v = 36

|u| = √8²+4²

|u| = √64+16

|u| = √80

|v| = √9²+(-9)²

|v| = √81+81

|v| = √162

36 = √80*√162 cos theta

36 = √12960 cos theta

36 = 113.84 cos theta

cos theta = 36/113.84

cos theta = 36/113.84

cos theta = 0.3162

theta = arccos (0.3162)

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7 0
3 years ago
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Elenna [48]

Answer:

Number of trucks = 24

Number of SUVs = 24

Step-by-step explanation:

A)

The ratio of cars to trucks is 9:4

The total ratio of cars to trucks is

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Let x = sum of cars and trucks.

There are 54 cars. Therefore,

x = 54 + t trucks

Number of cars = ratio of cars/ total ratio × sum of cars and trucks. This means,

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x = 54 + t trucks = number of trucks = 78 = 54 + t trucks

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Number of trucks = 24

B)

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The total ratio of cars to trucks is

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Let y = sum of trucks and SUVs

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66 = 24 + s SUVs

s SUVs = 66 - 24 = 42

Number of SUVs = 24

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3 years ago
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