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anastassius [24]
3 years ago
5

ms. myree's bill at a restaurant was $24.20 before tax the sales tax rate was 0.05 and ms.myree also included a $5 tip how much

did she spend at th restaurant in dollars
Mathematics
1 answer:
vodka [1.7K]3 years ago
8 0
To find the tax she paid take the total amount times the rate of tax
24.20x.05=1.21
Then add the tax to the amount she paid before tax was added and the tip
$1.21+$24.20+$5=$30.41
So she spent $30.41 at the restaurant 
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balu736 [363]
1) neither
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3 years ago
A farmer is designing a field for his new horse. In order for the field to fit into his farm, the angle θ must be less than 40◦,
vovangra [49]

Answer:

The field will not fit

Step-by-step explanation:

To find the angle, we will use cosine rule;

c² = (a² + b² - 2abcosC)

C in this case is θ

Thus;

15² = (8² + 20² - 2(8 × 20)cos θ)

225 = (64 + 400 - 320cos θ)

464 - 225 = 320cos θ

cos θ = 239/320

θ = cos^(-1) 0.7469

θ = 41.68°

Thus angle is not less than 40° as recommended. Thus, the field will not fit.

5 0
3 years ago
3. Find an equation of a parabola with a vertex at the origin and directrix y = -3.5
Lina20 [59]

Answer:

y=\frac{1}{14}x^2

Step-by-step explanation:

we know that

The directrix of the parabola is perpendicular to the axis of symmetry of the parabola

In this problem  the directrix is y=-3.5

so

The axis of symmetry is parallel to the y-axis

we have a vertical parabola

Also, the vertex is at the origin

That means-----> the parabola open upward

The equation of a vertical parabola can be written as

x^2=4py

where

p is the distance between the vertex and the directrix

In this problem

the distance between the vertex and the directrix is 3.5

p=3.5 ----> the value of p is positive because the parabola open upward

substitute

x^2=4(3.5)y

x^2=14y

isolate the variable y

y=\frac{1}{14}x^2

7 0
2 years ago
Read 2 more answers
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soldier1979 [14.2K]

Answer: $195,000.00

Step-by-step explanation:

6/100 = 11700

100/100 = x

6/100(x)=11700

x = 11700 / (6/100)

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= 195000

7 0
2 years ago
When x=12,y=8 find x when y=12
Naya [18.7K]
X would equal 18 when y equals 12.

Since x equals 12 when y=8, you can write it as 8/12

Then it says when y = 12 what is x, well you divide 12 and 8 to get 1.5 then multiply 12 and 1.5 to get what x equals when y is equal to 12.

Correct me if I am wrong.
8 0
3 years ago
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