Mathematics High School

Please help me this is my final!!!

Please Help Me This Is My Final!!!

Answers

Answer 1

Answer:

it is a, or n=15

Step-by-step explanation:

Please Help Me This Is My Final!!!
Answer 2

Answer:

n=15 (No it's not cap)

Step-by-step explanation:

if the interior angle is 156 then to find the exterior angle we just do 180-156 which equals 24

360/24=15 so there are 15 sides

Related Questions

4x=-x+10
I’m confused?

Answers

Answer:

x=2

Step-by-step explanation:

4x=-x+10

To find x, we first add x to each side to get rid of -x on the right side.

5x=10

Then, we divide each side by 5 to get x by itself.

x=2

And that's your answer :)

One number is nine more than another number. If the sum of the number is 65, find both numbers

Answers

Answer:

Step-by-step explanation:

x+x+9=65

2x=56

x=28

28,37

Answer:

one number= 28, other number= 37

Step-by-step explanation:

9+x+x=65

9+2x=65

2x=56

x=28

please help me find the area of the composite figure :)

Answers

Find the area of both shapes in the composite figure and add them together.

A of rectangle is 6 x 12
= 72

A of triangle is 1/2 x 8 x 5
=20

Add them together to get 92 inches^2

Hope this helps!!

Divide this equation and show your work.(QUICKLY)
X^3+4x^2-25x-28/x-4

Answers

hope this helps

andddd yeaaaaaaa hope !!!!!!!

Help! If u get it i will mark brainliest!
Triangle QRS is a right triangle. mR = 34° What is mQ? A. 34°, B. 46°, C. 56° D. 66°

Answers

Answer:

c

Step-by-step explanation:

i just did it

(14)(10)(3) + (7)(4)(3)

Answers

Answer:

504 is the answer

Answer: 504
14*10*3 =420
7*4*3 = 84

I NEED HELPPPPPPPP PLEASEEE!!!!!!!!

Answers

I think it’s H bc I don’t know I just think it is
the answer is H.

5 x 12 = 60
60 + 4 = 64
64 x 2.54 = 162.56

How the heck do I do this

Answers

Total surface area of a cylinder=2pi(radius)(height)+2pi(radius)square


[tex] \sqrt{64} } [/tex]
​

Answers

Answer:

8 is your answer ^_^

Step-by-step explanation:

You sell small and large candles at a craft fair. Small candles cost $4 each and large candles cost $6 each. You collect $144 after selling a total of 28 candles. How many of each type of candle did you sell? Write a linear system to represent the situation. Be sure to define your variables.

Answers

Answer: Small Candle = 12, Large Candle = 16

Step-by-step explanation:

Equation is this, s+l=28 2nd equation is 4s+6l=144

now you multiply every number in the second equation by -6 since positive 6 is the second equations second constant. Now you got -6s-6l=-168 And 4s+6l=144. The -6l and positive cancel so now you got -6s + 4s = -168+144. Now you got -2s = -24. Divide them both by negative two then you get s = 12. 28 candles total - 12 = 16 so 16 large candles and 12 small. L = large candles, S = small candles.

Answer:

8 small candles

16 large candles

Step-by-step explanation:

1. Approach

Set up a system of equations to solve this problem. Call the number of small candles sold (x), and the number of large candles sold (y). Have one expression model the amount of money earned, the other model the number of candles sold. Then, solve this system of equations using the process of elimination. In the process of elimination, one multiplies one of the equations by a term such that one of the coefficients of a variable in one of the equations is the additive inverse of the corresponding variable in the other equation. This means that when one adds the two equations, one of the variables will eliminate. Then one can solve for the other variable, and finally, substitute the value of the variable that one found back into one of the equations, and solve for the value of the other variable.

2. Set up a system of equations

Use the given information to set up a system of equations to describe the amount earned, and the amount sold

x + y = 28 -> amount sold

4x + 6y = 144 -> amount earned

3. Solve the system

As explained above, the process of elimination is a method of solving a system of equations. In the process of elimination, one multiplies one of the equations by a term such that one of the coefficients of a variable in one of the equations is the additive inverse of the corresponding variable in the other equation. This means that when one adds the two equations, one of the variables will eliminate.

x + y = 28 (*-4)

4x + 6y = 144

-4x - 4y = -112

4x + 6y = 144

___________

2y = 32

/2     /2

y = 16

4. Solve to find out how much of the other candle was sold

Now back solve, substitute the found value into one of the equations, and solve to find the other value

x + y = 28

y = 16

x + 16 = 28

    -16     -16

x = 8

How do these U.S. customary units of liquid volume compare? Drag and drop the volume measures so they are in order from smallest to largest.

cup
pint
quart

Answers

Answer:

it should go cup pint quart.

Nellie ran a total of 8 miles over the course of 4 track practices. How many miles would Nellie have run after 10 track practices? Assume the relationship is directly proportional.

Answers

Answer:

20 miles after 10 track practices

Step-by-step explanation:

8/4= 2 miles per 1 practice

He runs 2 miles a track practice so 10 practices (2 miles) = 20 miles

Need help quick Picture provided

Answers

C^2=a^2+b^2
C^2=20^2+15^2
C^2=400+225
C^2=X+10
(X+10)^2=625
X+10= √625
X+10=25
X=25-10
X=15

C^2=a^2+b^2
C^2=15
15^2=a^2+b^2
225=9^2+b^2
b^2=225-81
b^2=144
b= √144
b=12
b=y
y=12

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Answers

Answer:

Just multiply

Step-by-step explanation:

Can someone help me out with this question as I’m completely stuck

Answers

Answer:

Step-by-step explanation:

∠BEF = ∠ABE   {Alternate interior angle}

∠BEF = 60

∠EQR = ∠ BEF         {Corresponding angles}

∠EQR = 60

In ΔEQR

∠QER + ∠EQR + ∠ERQ = 180 {angle sum property}

80 + 60 +x = 180

140 + x = 180

          x = 180- 140

x = 40

Write the ratio in its simplest form using words. 14 cups to 28 cups

Answers

the ratio is 1:2 in simple form because 28/2 is 14.

40 = 4(3d – 5)
show your work

Answers

40=4(3d-5)

40=12d-20

60=12d

5=d

d=5

32. A student finds the slope of the line between (4, 12) and (4, 17) . She writes 12-17 4-4 , What mistake did she make?

Answers

The student didn’t use (y1,x1) and (x2,y2)

Simplify. Express your answer as a single fraction in simplest form.
x x
5

Answers

Answer:

[tex]\frac{x}{20}[/tex]

Step-by-step explanation:

Given

[tex]\frac{x}{4}[/tex] - [tex]\frac{x}{5}[/tex]

The LCM of 4 and 5 is 20

= [tex]\frac{5x-4x}{20}[/tex]

= [tex]\frac{x}{20}[/tex]

Use long division to divide 12x3 - 11x² + 9x + 16 by
4x + 3

Answers

Answer:

THE ANSWER IS 3×2-5×+6

Step-by-step explanation:

HERE IS A PIC OF THE WORK

Find the value of x for brainliest

Answers

Answer:

∅=53°

Step-by-step explanation:

Given opposite and hypothenuse. Use the sin ratio:

sin∅=opp/hyp

sin∅=12/15

∅=sin-1 12/15

∅=sin-1 0.8

∅=53.13010235415.

∅=53°

helpppppp for 10points !!!​

Answers

slope is x so it’s -1/5
pretty sure
haven’t done this in a year

Answer:

[tex] - \frac{1}{5} [/tex]

PLEASE HELP ASAP ILL GIVE BRIANLIEST AND ACTUALLY HELP PLEASE
A parallelogram is translated 2 units to the right and 1 unit down and then rotated 90 degrees clockwise about the origin. Choose True or False for each statement about the image compared to the original. same orientation O True O False

True The whole statement is true.
False Some of the statement is false.​

Answers

True the whole statement is true

The points (2, 3) and (3, 6) fall on a particular line. What is its equation in slope-intercept
form?

Write your answer using integers, proper fractions, and improper fractions in simplest form.

Answers

Answer:

y=3x-3

Step-by-step explanation:

insert the first point into y=mx+b

3=2m+b

----------------

Do it again with the other point

6=3m+b

-------------

Now put both equations in a system of equations

3=2m+b

6=3m+b

solve for m and b

m=3 and b=-3

y=3x-3

m=slope

b=y-intercept

subtract 12a² + 15ab - 20b² from 15a² + 10ab + 8b²

help.​

Answers

Answer:

3a^2 + 28b^2 - 5ab

Step-by-step explanation:

here's your solution

=> to subtract (12x^2 + 15ab - 29b^2) from

( 15a^2 + 10ab + 8b^2)

=> (15a^2 + 10ab + 8b^2) - (12a^2 + 15ab - 20b^2)

=> 15a^2 + 10ab + 8b^2 - 12a^2 - 15ab + 20b^2

=> 15a^2 - 12a^2 + 8b^2 + 20b^2 + 10ab - 15ab

=> 3a^2 + 28b^2 - 5ab

hope it helps

The same amount deposited weekly into a bank account can be represented by a
A: Linear
B: Exponential
C: Quadratic

Answers

Answer:

I think B

Step-by-step explanation:

aaaaAjshfbd pub d guy x gu dc

The same amount deposited weekly into a bank account can be represented by a Linear.

Therefore, option A is correct.

What is Linear Function?

Linear functions have a straight line as their graph. The following is the form of a linear function. a + bx = y = f(x). There is one independent variable and one dependent variable in a linear function. x is the independent variable, and y is the dependent variable.

The degree of the model for data presented as ordered pairs can be determined by determining the differences between dependent values.

The model will be linear if the initial difference is the same value.If the second difference has the same value as the first, the model is quadratic.If the number of times the difference is calculated before obtaining repeated values surpasses five, the model could be exponential or another unique equation.

If the same amount deposited weekly into a bank then the difference between consecutive deposits will be same.

Thus, the situation shows the linear function.

Learn more about linear function here:

https://brainly.com/question/20286983

#SPJ3

Please help look and photo

Answers

Answer:

.

Step-by-step explanation:

write an equation of a line that passes through (1,1)and (6,6)

Answers

Answer:

y=x

Step-by-step explanation:

When y=x, then the line goes up 1 and right 1.

PLEASE HELP MEEEEE!!!!!

Answers

Answer:

24/25 = 0.96

Step-by-step explanation:

there ya go XD

24/25=0.96
and it’s bc i rounded it

When looking at a function graph, which value determines whether a graphed relation is a function or not? Domain or Range? Explain why.

Answers

It would be the domain, you can only have a unique y-value for each x, this is called the vertical line test. You can have the same y values for other points of y but not for the same point of x.
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