A restaurant bill is $25, and a 20 percent tip should be given to the waiter. Which expression can be used to find the total amount that will be paid?

25 dollars times 0.02

25 dollars times 0.20

25 dollars times 1.20

25 dollars times 2.00

Answer:

Area: 10.7521 cm

Circumference: 11.62389 cm

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Area, A, will equal the formula of [tex]\pi r^2[/tex], so we must find the value and split that up. Diameter, d is equal to 2r. Let's solve.

[tex]A = \pi r^2[/tex]

[tex]d = 2r[/tex]

Now, make an equation combining like terms.

[tex]A = \frac{1}{4} \pi d^2[/tex]

This equation means to multiply those terms together. Since the diameter is 3.7, d is 3.7

[tex]\frac{1}{4} * \pi * 3.7 = 10.8(estimate)~cm[/tex]

Let's move on to circumference. On we go!

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With circumference, it is very similar to what you just did to find area(A). You must again, set up these terms and make an equation out of them. C(circumference) is going to be equal to [tex]\pi r[/tex], notice how it does not say squared([tex]^2[/tex]) at the end now.

[tex]C = \pi r[/tex]

And diameter, you guessed it, will be 2r.

[tex]d = 2r[/tex]

Now, combine the like terms into an equation.

[tex]C = \pi d[/tex] pi times diameter(3.7)

[tex]\pi * d(3.7) = 11.6~cm[/tex]

Now that the problem is done, we move on to review.

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We learned how to solve for circumference and area using diameter.

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Feel free to ask in the comments.

Answer:

5.5 sq units

Step-by-step explanation:

Find the square around the red shape and subtract out the white parts.

Square = 4x4 = 16

Triangles subtracted -

1x1/2

1x1/2

3x4/2

3x1/2

Total subtracted = -8.5

Squares subtracted

1x1

1x1

Total subtracted = -2

16 - 10.5 = 5.5

[tex]3x {}^{2} + 15x = 18[/tex]

[tex]x {}^{2} + 5x = 6[/tex]

[tex]x {}^{2} + 5x - 6 = 0[/tex]

[tex]let \: \alpha \: and \: \beta \: be \: the \: roots[/tex]

Answer:

-1,572,864

Step-by-step explanation:

r = - 4

6  - 24  96  - 384  ......

6 * r^9 = a10 = -1572864

Answer:

Ans of No.3

C 40÷(x+4)

Step-by-step explanation:

question 40÷(4+x)

ans nothing changed but x move to front of 4 and 4 move behind of x

Answer:

33 feet

Step-by-step explanation:

[tex]total \: lengt h \: of \: street = 833 \: ft[/tex]

[tex]useable \: length \: of \: street = 833 - 8 = 825 \: ft[/tex]

[tex]width \: of \: front \: yard = \frac{825}{25} \: ft[/tex]

[tex] = 33\: ft[/tex]

Step-by-step explanation:

It depends on your function. It also depends on if you want an overestimate, or underestimate. Riemann sums are used to approximate integrals by summing the area of 'n' amount of rectangles.

Answer:

a. false

b. false

c. true

Step-by-step explanation:

a. 2 kilograms = 2,000 grams

b. 12 feet is 144 inches (12 times 12, because 12 inches in a foot)

c. 10 kilometers = 10,000 meters

Answer:

They are all real numbers.

Option (2) and (5) I think is correct. x = -5 and x = 3

Step-by-step explanation:

Answer: Option (2) and (5) is correct. ... We have to find the solution of the given equation (x + 5)(x – 3) = 0 and choose the correct option from the given·

Answer:

[tex]y=\frac{3}{2} x[/tex]

Step-by-step explanation:

It’s clear that we there is a proportional relationship between the number of sashes and their cost.

then

[tex]\frac{y}{x} =\frac{12}{8}[/tex]

then

[tex]y= \frac{12}{8} x[/tex]

Or 12/8 = 3/2

Then

[tex]y=\frac{3}{2} x[/tex]

Answer:

Step-by-step explanation:

Answer:

129

Step-by-step explanation:

180-51= 129

129 is corresponding with x

and corresponding angles are equal

so 129 is the answer

Answer:129

Step-by-step explanation:

Because of the rule of alternate exterior angles the angle to the right of angle X would also be 51 and since we know a straight line is 180 degrees we will subtract the angle we know from 180 and you get 129 as your answer.

Answer:

Trig identities

[tex]\tan(\theta)=\dfrac{\sin(\theta)}{\cos(\theta)}[/tex]

[tex]\sin(\thet2\theta)=2 \sin(\theta)\cos(\theta)[/tex]

[tex]\begin{aligned}\cos(\thet2\theta) & =1-2\sin^2(\theta)\\2\sin^2(\theta) & = 1-\cos(2\theta) \end{aligned}[/tex]

Solution

[tex]\tan(\theta)=\dfrac{\sin(\theta)}{\cos(\theta)}[/tex]

[tex]\textsf{Multiply by}\:\dfrac{2\sin(\theta)}{2\sin(\theta)}:[/tex]

[tex]\begin{aligned}\implies \tan(\theta) & =\dfrac{\sin(\theta)}{\cos(\theta)} \times \dfrac{2\sin(\theta)}{2\sin(\theta)}\\\\ & =\dfrac{2\sin^2(\theta)}{2\sin(\theta)\cos(\theta)}\\\\ & = \dfrac{1-\cos(2\theta)}{\sin(2\theta)}\end{aligned}[/tex]

Therefore,

[tex]\implies \dfrac{1-\cos(2\theta)}{\sin(2\theta)}=\dfrac{1-\cos(2\theta)}{\sin(2\theta)}[/tex]

Answer: 1 5/12

Step-by-step explanation:

Divide 17 by 12

Answer:

1 and 5/12

Step-by-step explanation:

Step 1: Find the whole number

Step 2: Get the new numerator

Step 3: Our mixed fraction

Step 4: Simplifying our fraction

Answer:

1.8 seconds

Step-by-step explanation:

Answer:

y = x/2 +9/2

Step-by-step explanation:

Answer:

y = x/2 +9/2

Step-by-step explanation:

y = -2x - 6.

The equation of the line perpendicular to the above equation has a slope 1/2

The equation of a slope is

y2-y1/x2-x1 = 1/2

To form an equation of the line we chose a point that lies on the graph which is perpendicular to y = -2x - 6 and an arbitrary point (x,y)

A point is given us already and that point is (3, 6).

Tie all together to compute the slope we have;

y-6/x-3 = 1/2

2(y-6) = x-3

2y-12= x-3

2y = x-3+12

2y= x+9

Dividing through by 2 we have

y = x/2 +9/2

y = x/2 + 4.5

Answer:

[tex]-13x-23[/tex]

Step-by-step explanation:

Given sequence:  [tex]x-9, -x-11, -3x-13[/tex]

Therefore,

General form of an arithmetic sequence: [tex]a_n=a+(n-1)d[/tex]

(where a is the first term and d is the common difference)

To find the common difference, subtract a term from the next term:

[tex]\begin{aligned}d & =a_2-a_1\\ & =(-x-11)-(x-9)\\ & = -x-11-x+9\\ & = -2x-2\end{aligned}[/tex]

Therefore,

[tex]a_n & =(x-9)+(n-1)(-2x-2)[/tex]

To find the 6th term, input n = 6 into the equation:

[tex]\begin{aligned}\implies a_6 & =(x-9)+(6-1)(-2x-2)\\ & = (x-9)+7(-2x-2)\\ & = x-9-14x-14\\ & = -13x-23\end{aligned}[/tex]

Using scientific notation, considering that Thailand has the larger population, the power of 10 that should be on the label is of 7.

A number in scientific notation is given by:

[tex]a \times 10^b[/tex]

In this b is the power of 10 and the base a is in the following interval:

[tex]a \in [1, 10)[/tex].

In this problem, considering that both Thailand and Peru population's have exponent 7, and Panama's population is of [tex]4 \times 10^6 = 0.4 \times 10^7[/tex], the power of 10 that should be on the label is of 7.

More can be learned about scientific notation at https://brainly.com/question/26482653

Answer:

28

Step-by-step explanation:

its 28 bc area lol i almost though diff

Answer:

43cm²

Step-by-step explanation:

let's first consider the area of a square.

the area is L² which means all sides are equal so we take the length times the breadth which is both equal because like we said all sides are equal.

so to find the side of the square using the area, we take the square root of both of the area.

[tex] \sqrt{25} = 5[/tex]

and also

[tex] \sqrt{18} = 4.2[/tex]

so we have the height of the triangle as 5cm and the base is 4.2cm.

now, from the triangle, since we have two sides and it's a right-angled, we can use Pythagoras' formula.

[tex] \sqrt{ {5}^{2} + {4.2}^{2} } = 6.53cm[/tex]

so the side 6.53cm is also the same side as the largest triangle. Since it's a square, all sides are equal. So we find the area of the largest triangle by using the formula

Area = L²

Area = 6.53²

Area = 42.6cm

the nearest cm square

Area = 43cm²

Check the picture below.

Answer:

option (C) 2

Step-by-step explanation:

because 2 is a prime number and also an even integer.

(NOTE: 0 and 1 are not prime numbers and also 0 is an even numbers while 1 is a prime number).

Hope this helps.

Good luck .

Answer:

30

Step-by-step explanation:

75/5 = 15

15 x 3 = 45

75 - 45 = 30

Have an amazing day!!

Please rate and mark brainliest!!

Answer:

779264 k-tons

Step-by-step explanation:

First year ====> no change

  then each of the next 9 years decrease by 4 %  ( leaving 96%)

       this is a geometric sequence with

  r = .96   and a1 = 93000  and n =  10 terms

sum of sequence =   a1 (1-r^n) / ( 1-r) = 779264  kilotons

Answer:

This tree has one line of symmetry.

Answer:

remember this line it will help you

Step-by-step explanation:

Answer:

3 sqrt 5     ( or  6.7082039    as posted in earlier A )

Step-by-step explanation:

sqrt ( 5) ( 5-2)   = 3sqrt 5

Answer:

0

Step-by-step explanation:

because when you square a number, you multiply it by itself. So, you would do 0 x 0 = 0

Hope this helps!

- profparis

Answer:

0

Step-by-step explanation:

0^2 = 0*0

Zero times zero is still zero

Hope this helps!