Can you please help me:)

Answer:

$1.49

Step-by-step explanation:

after the sales tax the bill would be $11.48

so 13% of that would be $1.49

so she tipped 1 dollar and 49 cent

Answer:

10.

Step-by-step explanation:

Since 60 is the profit you need to make, you plug in 60 into P(x). So, you get the equation 60=0.3[tex]x^{2}[/tex]+7x-40. The answer to this equation is 10. I think this is the correct answer.

By using the arc length formula, we will see that the length of the curve is L = 1.48

Here we have the curve:

y = 2 - x^2   with 0 ≤ x ≤ 1

And we want to find the length of the curve.

The arc length formula for a curve y in the interval [x₁, x₂] is given by:

[tex]L =\int\limits^{x_2}_{x_1} {\sqrt{1 + \frac{dy}{dx}^2} } } \, dx[/tex]

For our curve, we have:

dy/dx = -2x

And the interval is [0, 1]

Replacing that we get:

[tex]L =\int\limits^{1}_{0} {\sqrt{1 + (-2x)^2} } } \, dx\\\\L \int\limits^{1}_{0} {\sqrt{1 + 4x^2} } } \, dx\\[/tex]

This integral is not trivial, using a table you can see that this is equal to:

[tex]L = (\frac{Arsinh(2x)}{4} + \frac{x*\sqrt{4x^2 + 1} }{2})[/tex]

evaluated from x = 1 to x = 0, when we do that, we will get:

[tex]L = \frac{Arsinh(2) + 2*\sqrt{5} }{4} = 1.48[/tex]

That is the length of the curve.

If you want to learn more about curve length, you can read:

https://brainly.com/question/2005046

Answer:

11. A. [tex]\frac{12}{13}[/tex]

12. D. [tex]\frac{35}{12}[/tex]

Step-by-step explanation:

11: Sin is just the side opposite of the angle divided by the hypotenuse of the triangle

Opposite of A = 36

Hypotenuse of the triangle = 39

36/39 = [tex]\frac{12}{13}[/tex]

12. Tan is the side opposite of the angle divided by the side adjacent to the angle

Opposite of C = 35

Adjacent to C = 12

35/12 = [tex]\frac{35}{12}[/tex]

Hope this helps!

Answer:

Step-by-step explanation:

a) To find the length of diagonal XT, we can use the distance formula to get [tex]\sqrt{(-3-5)^{2}+(4-(-2))^{2}}=10[/tex]

Since this is a rectangle, XT=YW, meaning YW=10 as well.

b) The area of a rectangle is given by length times width. The length is |-3-5|=8, and the width is |-2-4|=6. So the area is (8)(6)=48.

c) The perimeter is just 2(8+6)=28.

easy peasy here we go..

so first circumference = 2π R

now it is given that circumference - 30 cm = Diameter;

Diameter = 2πR - 30 = 2 R { diameter = 2 times Radius}

now solving equations:

2πR -2R = 30

πR - R = 15

R ( π - 1 ) = 15

R ( 22/7 - 1) = 15

R ( 15/7 ) = 15

R = 15 x 7 / 15

R = 7 cm

Mark as brainliest

Answer:

7.01 cm

Step-by-step explanation:

Circumference = 2πr

=> d + 30 = 2πr

=> 2r + 30 = 2πr

=> 2r(π - 1) = 30

=> 2.14r = 15

=> r = 15/2.14

=> r = 7.01 cm

Answer:

f(4)=-4

Step-by-step explanation:

hello : this an solution

The factor of the provided polynomial after the factorization process are similar to option C, which is

[tex](x+ 7)(x^2 -2)[/tex]

The factor of a polynomial is the terms in linear or equation form, which are when multiplied together, give the original polynomial equation as result.

Find these factors by taking out the common factors.

The given polynomial equation in the problem is,

[tex]x^3+ 7x^2 -2x - 14[/tex]

The above equation has the unknown variable x and the highest power of this unknown variable is 3.

Take out the highest common factor x², which can divide each term of the first two terms of equation (x³, 7x²). Thus,

[tex]x^2(x+ 7) -2x - 14[/tex]

Take out the highest common factor -2 from the second two terms as,

[tex]x^2(x+ 7) -2(x + 7)[/tex]

Now take out the common group (x+7) as,

[tex](x+ 7)(x^2 -2)[/tex]

Hence, the factor of the provided polynomial after the factorization process are similar to option C, which is

[tex](x+ 7)(x^2 -2)[/tex]

Learn more about factor of polynomial here;

brainly.com/question/24380382

Answer:

A Reflection

Step-by-step explanation:

In geometry, a reflections would be referred to as a flip. A reflection is a representation of a shape. An picture will mirror thru the line of reflection. If a figure is said to be a mirror of another figure, then every point in that figure is equal to every corresponding point in another figure.

Answer:

$230

Step-by-step explanation:

Hes paid 200 for his wages but if he works overtime by 12 hours he gets half of the 5 dollars he earns per hour which is 2.5 which then is 2.5 times 12 which is then 30 plus the 200 he earned for the 40 hours.

Answer:

  4.  If one angle of a triangle is larger than another angle, then the side opposite the larger angle is longer than the side opposite the smaller angle.

Step-by-step explanation:

Facts about equiangular/equilateral triangles have little bearing on isosceles triangles.

The one relevant fact from the given list is that larger angles are opposite longer sides. This requires you to conclude that equal angles are opposite equal sides, which is the conclusion of the isosceles triangle theorem.

Answer:

Step-by-step explanation:

yeah i think its b too

Answer:

first calculate the lenght of a triangle with the distance formula

You leave a 15% tip -> The cost = 115% the actual cost without the tip.

So, the bill was $6.12 x 115% = $7.038

Answer: IT DEPENDS ON HOW MANY PEOPLE ARE SPLITTING BY BUT IF IT IS JUST 1 PERSON THEN THE TIP WOULD BE 0.92 BUT IF U WANT IT IN HOLE DOLLARS THEN YOUR TIP WOULD BE 1 DOLLAR AND 78 CENTS

Step-by-step explanation: I HOPE THIS HELPS YOU :D

Answer:

Can you pls give me a brainlies I am new pls.

Step-by-step explanation:

The inequality that can be used to determine x, the minimum number of sets of forks Grayson should buy is as follows:

761 ≥ 10x + 205

Inequality equations are represented with <, >, ≤, or ≥.

Therefore,

The restaurant needs at least 761 forks . Therefore, the number of forks should be greater than or equals to 761.

He already has 205 forks.

Each sets on sale contains 10 fork.

x = minimum number of sets of forks he should buy.

Therefore, the inequality to represent the situation is as follows:

learn more on inequality here: https://brainly.com/question/24900162

Answer:

80

Step-by-step explanation:

4+1 = 5 This is the total amount of shares

100÷5 = 20 This is how much is in 1 share

So 4 shares, which is how many shares Sangeeta receives, is:

4×20=80

So 80 is the amount Sangeeta gets

[tex]4x+x=100[/tex]

[tex]5x=100[/tex]

[tex]x= \frac{100}{5}[/tex]

[tex]x=20[/tex]

[tex]4×20=80[/tex]

Sangeetha gets 80

Answer:

#565 is the best answer I can give you

Answer:

b - seven and nine tenths

Step-by-step explanation:

4 3/10 + 3 6/10

Answer:

38%

Step-by-step explanation:

We know that this circle kind of look like circle that divide into 3 part

But since it a bit more we can infer that it A. 38%

We also know that 48% is about half and 62% or 68% is all the way over half.

Hence, A.38% is the best answer.

[RevyBreeze]

Answer:

a 38%

Step-by-step explanation:

Answer: 20

Step-by-step explanation:

Answer:

the answer for the first one is 3 times

the answer for the second one is 9

Step-by-step explanation:

Answer:

500 milligrams

Step-by-step explanation:

If I am incorrect in my reasoning, please let me know so that I can plan better for my future answers. Have an amazing day.

Answer:

500 milligrams

Step-by-step explanation:

1 gram is equal to 1000 milligrams
we only have 1/2 or 0.5 of a gram
so we divide 1000 by 2 to get 500

Your answer is
500 Milligrams

Answer:

3. y = x - 3

Step-by-step explanation:

when x is 2 y should equal -1

only one that does that is

option 3

-1 = 2 - 3

Answer:

1. Lucky Buy

2. 3/5

Step-by-step explanation:

1. .96/4=.24

1.32/6=.22

2. take the 3 and put it over time like always x/time=3/5

Answer:

x = 6, ∠B = 50°

Step-by-step explanation:

a) 8x + 2 + 70 + 60 = 180

8x + 132 = 180

8x = 180 - 132 = 48

x = 48/8 = 6

b) ∠B = 180 - 70 - 60 = 50°

or 8x + 2 = 8*6 + 2 = 50°