Can someone please help me with this?? I’m bad at this kind of stuff heh

Answer:

The total cost is 26.6 dollars

Step-by-step explanation:

Given

The total bill of the breakfast = $ 21.60

Sales tax = 7% of the total bill value

Total bill after adding the 7% sales tax

$ 21.60 + 7% of $ 21.60

[tex]21.60 + \frac{7}{100} * 21.60\\21.60 + 1.512\\23.112[/tex]dollars

After adding 15% of the tip values to the payable amount of $ 23.112, the total bill becomes

$ 23.112 + 15% of $ 23.112

[tex]23.112 + 3.4668 = 26.5788[/tex]

The total cost is 26.6 dollars

Answer:

a = 17.5 ft²

Step-by-step explanation:

break figure into a rectangle and a triangle

Rectangle:

a = 2 * 5 = 10

Triangle

a = (1/2)5 * 3

a = 7.5

Total area

a = 10 + 7.5

a = 17.5 ft²

[tex]\huge\text{Hey there!}[/tex]

[tex]\mathsf{-7b - 12 = -61}[/tex]

[tex]\large\textsf{ADD 12 to BOTH SIDES}[/tex]

[tex]\mathsf{-7b - 12 + 12 = -61 + 12}[/tex]

[tex]\large\textsf{CANCEL out: -12 + 12 because that gives you 0}[/tex]

[tex]\large\textsf{KEEP: -61 + 12 because it helps solve for your b-value}[/tex]

[tex]\mathsf{-61+12=\bf -49}[/tex]

[tex]\large\text{NEW EQUATION: \textsf{-7b = -49}}[/tex]

[tex]\large\textsf{DIVIDE -7 to BOTH SIDES}[/tex]

[tex]\mathsf{\dfrac{-7b}{-7}=\dfrac{-49}{-7}}[/tex]

[tex]\large\textsf{CANCEL out: }\mathsf{\dfrac{-7}{7}}\large\textsf{ because that gives you 1}[/tex]

[tex]\large\textsf{KEEP: }\mathsf{\dfrac{-49}{-7}}\large\textsf{ because that gives you your b-value}[/tex]

[tex]\mathsf{\dfrac{-49}{-7}= \bf b}[/tex]

[tex]\uparrow\large\text{SIMPLIFY ABOVE \& YOU HAVE YOUR ANSWER}\uparrow[/tex]

[tex]\mathsf{-49\div -7= \bf 7}[/tex]

[tex]\boxed{\boxed{\large\text{Answer: \huge \bf b = 7}}}\huge\checkmark[/tex]

[tex]\large\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

By using distance formula (which is attached below), you can solve this problem:

√(x2-x1)^2+(y2-y1)^2

(5, -1) and (5, 3)

√(5-5)^2+(3-(-1))^2

√0^2+4^2

√0+16

√16

4

The distance between the two points is 4.

Answer:

Solution given:

diameter [d]=16m

radius [r]=8m

let slant height =l

surface area =628.32m²

πr(r+l)=628.32m²

π×8(8+l)=628.32

8+l=628.32/(8π)

8+l=25

l=25-8

l=17m

now

height of cone [h]=√{17²-8²}=15m

Again

Volume of cone =⅓πr²h=⅓×π×8²×15=320π 0r 1005.31m³

The required volume is 320π 0r 1005.31m³

The Volume of the given Cone is: 1005.469 cubic. cm.

V=1005.469 cubic. cm.

The volume of a 3 -dimensional solid is the amount of space it occupies.

The volume V of a cone with radius r is one-third the area of the base B times the height h .

V= [tex]\frac{1}{3} \pi r^{2} h[/tex]

Surface area of cone= 628.32

[tex]\pi r(l+r)[/tex]= 628.32

3.14 x 8 (l + 8)= 628.32

l+8= 25.01

l= 17.01 cm

height= 15.01 cm

Now volume of cone,

V= [tex]\frac{1}{3} \pi r^{2} h[/tex]

  = [tex]\frac{1}{3} *3.14 *8^{2}* 15.01[/tex]

  =1005.469 cubic. cm.

volume of cone, V= 1005.469 cubic. cm.

Learn more about volume of cone here:

https://brainly.com/question/1984638

#SPJ2

Answer:

A=30

Step-by-step explanation:

Set your equation up as following:

180=90+(x+37)+(x+67)

180=90+37+67+2x

180-90-37-67=2x

-14=2x

-14/2=x

-7=x

Angle A = x+37

A=-7+37

A=30

Answer:

m<A = 30

Step-by-step explanation:

The right square is a 90 degree angle

All angles in a triangle add up to 180 so:

x + 37 + x + 67 + 90 = 180

2x + 194 = 180

2x = 180 - 194

2x = -14

x = -7

<A:

x + 37

-7 + 37

30

9514 1404 393

Answer:

  £37.50

Step-by-step explanation:

See https://brainly.com/question/23501345 for a detailed explanation of the working. Using the numbers here, we have ...

  tins = (((4)(2.8)(4.5) -(2)(0.7))/12)/2 ≈ 2.042 . . . . more than 2 tins

For the 3 tins Aisha needs, she will pay (2.5)(£15) = £37.50.

Step-by-step explanation:

have sad me the answer the you yong answer mo mali kaya mali din ang ipapalit sayo

Answer:

x = 16

Step-by-step explanation:

The two angles are vertical angles

Vertical angles are congruent

That being said we can create an equation

4x - 7 = 3x + 9

now we solve for x

step 1 add 7 to each side

9 + 7 = 16

-7 + 7 cancels out

now we have 4x = 3x + 16

step 2 subtract 3x from each side

4x - 3x = x

3x - 3x cancels out

we're left with x = 16

The y-intercept represents the initial population of the city

The y-intercept is the point where the line on a graph crosses the y-axis. The y-intercept is the value of the data set when x is zero. It is the initial population of the city. The y-intercept in this question is 122,000.

To learn more about y-intercept, please check: https://brainly.com/question/21527145

#SPJ1

Answer:

1.) 12000

2.) 6750

3.) 2.41

Step-by-step explanation:

Given the Equation :

f(t)=12,000(3/4)^t. ; where, t = time ; f(t) = worth of car at time, t

When, car was purchased, t = 0

t = 0

f(0) = 12000(3/4)^0

= 12000 * 1

= 12000

2.)

f(2) ; this mean the worth of the car after 2 years :

f(2)=12,000(3/4)^t.

12000(3/4)^2

12000 * 0.5625

= 6750

When car will be worth 6000

f(t) = 6000

f(t)=12,000(3/4)^t.

6000 = 12,000(3/4)^t

6000 / 12000 = (3/4)^t

1/2 = (3/4)^t

Take the log of both sides :

Log(0.5) = log(0.75)^t

log(0.5) = tlog(0.75)

- 0.301029 = - 0.124938t

t = - 0.301029 / - 0.124938

t = 2.4094

t = 2.41 years

Answer:

Volume of cylinder A: 327.12

Volume of cylinder B: 251.92

Step-by-step explanation:

Answer:

900

Step-by-step explanation:

The figure is a triangular prism

The equation would be V = A * H / 3

V being the volume

A being the area of the pyramids base

H being the height front he base to the top  (20)

Base area is 135 (A)

135 * 20 = 2700

2700 divided by 3 = 900

900 is your answer

Answer:

81

Step-by-step explanation:

Answer:

Second.

Step-by-step explanation:

A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.

Answer:

C.

Step-by-step explanation:

The pythagorean theorem shows a^2+b^2=c^2.

a=8, b=15, c= the unknown distance

8^2+15^2=c^2

multiply by 8 on both sides

(20)8 - 8(4b/8) = (18)8

160 - 4b = 144

subtract 160 on both sides

160 - 160 - 4b = 144 - 160

-4b = -16

divide by -4 on both sides

-4b/-4 = -16/-4

b = 4

Answer:

b= 16√15 or 23

Step-by-step explanation:

Input your values into the Pythagorean theorem.

c^2=a^2+b^2

576=36+b^2

b=√540

b=16√15 or 23

Answer:

x⁴

Step-by-step explanation:

TRUST ME IT IS CORRECT

Answer:

x⁴

Step-by-step explanation:

(∛x²)⁶ {The cube root of x² is x^(2/3)}

(x^(2/3))⁶ {Now, simply multiply 2/3 by 6 to get 4.}

x⁴

(∛x²)⁶ is equivalent to x⁴.

Answer:

Is it not 21/26?

Step-by-step explanation:

26 letters in the Alphabet

5 vowels

26-5=21

21 chances out of 26 to not get a vowel

I'm not really positive on my answer either, I'm sorry if it's wrong.

Answer:

D, E

Step-by-step explanation:

D. all angles do not have to be congruent

E. diagonals do not have to be congruent

Option D is incorrect 100%

Option E should be incorrect aswell.

Answer:

The answer would be 3.14

Step-by-step explanation:

Area is found by doing 3.14 times the radius sqauared and the radius is 1 so the answer would be 3.14

Answer:

the first one. slope is 1/2 and y intercebt (b value) is positive 2.

Step-by-step explanation:

Answer:

y=1/2x+2

Step-by-step explanation:

This equation is linear because the graph is a straight line. Therefore, use the slope-intercept form y=mx+b to create the equation.

To find m (the slope), pick two points like (0,2) and (2,3). Find the change in y over the change in x: (y2-y1)/(x2-x1).

y2=3, y1=2, x2=2, x1=0

(3-2)/(2-0)= 1/2

This is the slope which means the equation is one of the first 2 options.

Next find b (the y-intercept) by finding the y value on the graph when x=0. When x=0, y=2. Therefore, b=2 and the final equation is y=1/2x+2

Answer:

Probability is calculated as # of favorable outcomes / # of possible outcomes.

Our favorable outcomes are 1, 2, 3, 4, 5.

There are 6 total outcomes.

5/6 = 0.833

Answer:

.667

Step-by-step explanation:

There are 3 possibilities for an odd number. 1,3 and 5

For a number less than four, there are also 3 possibilities, 1,2 and 3 (Since it's not four or less)

Counting the uniquue numbers which are not repeated, you have 1,2,3,5 so the odds are 4/6 of rolling an odd or less than four number.

Since it's asking to round, I assume we need to convert to a decimal.

Decimal: .667

Percentage: 66.667%

Both answers are rounded to the thousandth.

Answer:

...............

Step-by-step explanation:

...............

Answer:

$3,840

Step-by-step explanation:

9600 x 0.08 =  768 per years (assuming flat rate)

768x5= 3,840

Answer:

3840

Step-by-step explanation:

9600 * 8% * 5 = 3840

Hope this helps!

Thenks and mark me brainliest :))

Answer:

[tex]pH = 13[/tex] --- Oven Cleaner

[tex]pH = 6.2[/tex] --- Water

[tex]pH =7.4[/tex] --- Blood

[tex]pH = 2.2[/tex] --- Vinegar

Step-by-step explanation:

The given molar concentration are:[Missing from the question]

Oven Cleaner: [h+] = [tex]10^{-13}[/tex]

Water: [h+] = [tex]0.0000007[/tex]

Blood: [h+] = [tex]0.00000004[/tex]

Vinegar: [h+] = [tex]0.0063[/tex]

Required

Determine the pH

pH is calculated using:

[tex]pH = -\log(h+)[/tex]

So, we have:

Oven Cleaner:

[tex]pH = -\log(10^{-13})[/tex]

Using a calculator, we have:

[tex]pH = 13[/tex]

Water:

[tex]pH = -\log(0.0000007)[/tex]

Using a calculator, we have:

[tex]pH = -1*-6.2[/tex]

[tex]pH = 6.2[/tex]

Blood:

[tex]pH = -\log(0.00000004)[/tex]

Using a calculator, we have:

[tex]pH = -1 * -7.4[/tex]

[tex]pH =7.4[/tex]

Vinegar:

[tex]pH = -\log(0.0063 )[/tex]

Using a calculator, we have:

[tex]pH = -1 * -2.2[/tex]

[tex]pH = 2.2[/tex]

Answer:

y = 2x - 2

Step-by-step explanation:

hope this helps

Answer:

A= 44.415°

Step-by-step explanation: