I need help with my math!!!

I Need Help With My Math!!!

Answers

Answer 1

Answer:

A

Step-by-step explanation:

Answer 2

Answer:

I’m not sure if I’m right but here I go.

Step-by-step explanation:

Each line goes from zero and down, look at the ponies where they are and find the coordinates.


Related Questions

Find the arithmetic means for the given sequence:


4, __, __, __, __, 19​

Answers

Answer:

a= 4. b=19. n=4. d= b-a/n+1= (19-4)/(4+1)= 15/5=3. Hence, d=3.

Step-by-step explanation:

Do you also want an explanation?

Answer:

7  10  13   16

Step-by-step explanation:

a1 = 4

a6 = 19

n = 6

d = ?

a6  = a1 + (n - 1)d        

19 = 4 + (6 - 1)*d

19 - 4 = 5*d

15 = 5d

d = 15/5

d = 3

So the sequence is

4,7,10,13,16,19

calcula la longitud de la variable "x"​​

Answers

Answer:

x=20

Step-by-step explanation:

30°-60°-90°Δ

a=10

b=20

c=10[tex]\sqrt{3}[/tex]

x=b

x=20

please help. the packet is due tonight

Answers

Answer:

[C]  [tex]\displaystyle \frac{-3}{250}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to Right

Algebra I

Terms/CoefficientsFactoringFunctionsFunction NotationConjugations

Calculus

LimitsLimit Rule [Variable Direct Substitution]:                                                     [tex]\displaystyle \lim_{x \to c} x = c[/tex]Limit Property [Multiplied Constant]:                                                           [tex]\displaystyle \lim_{x \to c} bf(x) = b \lim_{x \to c} f(x)[/tex]DerivativesDefinition of a Derivative:                                                                             [tex]\displaystyle f'(x) = \lim_{h \to 0} \frac{f(x + h) - f(x)}{h}[/tex]

Step-by-step explanation:

Step 1: Define

Identify

[tex]\displaystyle g(x) = \lim_{h \to 0} \frac{f(x + h) - f(x)}{h}[/tex]

[tex]\displaystyle f(x) = \frac{3}{\sqrt{x - 4}}[/tex]

[tex]\displaystyle g(29)[/tex]

Step 2: Differentiate

Substitute in function [Function g(x)]:                                                           [tex]\displaystyle g(x) = \lim_{h \to 0} \frac{\frac{3}{\sqrt{x + h - 4}} - \frac{3}{\sqrt{x - 4}}}{h}[/tex]Substitute in x [Function g(x)]:                                                                       [tex]\displaystyle g(29) = \lim_{h \to 0} \frac{\frac{3}{\sqrt{29 + h - 4}} - \frac{3}{\sqrt{29 - 4}}}{h}[/tex]Simplify:                                                                                                         [tex]\displaystyle g(29) = \lim_{h \to 0} \frac{\frac{3}{\sqrt{25 + h}} - \frac{3}{5}}{h}[/tex]Rewrite:                                                                                                         [tex]\displaystyle g(29) = \lim_{h \to 0} \frac{\frac{15}{5\sqrt{25 + h}} - \frac{3\sqrt{25 + h}}{5\sqrt{25 + h}}}{h}[/tex][Subtraction] Combine like terms:                                                               [tex]\displaystyle g(29) = \lim_{h \to 0} \frac{\frac{15 - 3\sqrt{25 + h}}{5\sqrt{25 + h}}}{h}[/tex]Factor:                                                                                                           [tex]\displaystyle g(29) = \lim_{h \to 0} \frac{\frac{3(5 - \sqrt{25 + h})}{5\sqrt{25 + h}}}{h}[/tex]Rewrite:                                                                                                         [tex]\displaystyle g(29) = \lim_{h \to 0} \frac{3(5 - \sqrt{25 + h})}{5h\sqrt{25 + h}}[/tex]Rewrite [Limit Property - Multiplied Constant]:                                           [tex]\displaystyle g(29) = \frac{3}{5} \lim_{h \to 0} \frac{5 - \sqrt{25 + h}}{h\sqrt{25 + h}}[/tex]Root Conjugation:                                                                                         [tex]\displaystyle g(29) = \frac{3}{5} \lim_{h \to 0} \frac{5 - \sqrt{25 + h}}{h\sqrt{25 + h}} \cdot \frac{5 + \sqrt{25 + h}}{5 + \sqrt{25 + h}}[/tex]Multiply:                                                                                                         [tex]\displaystyle g(29) = \frac{3}{5} \lim_{h \to 0} \frac{-h}{5h\sqrt{25 + h} + h^2 + 25h}[/tex]Factor:                                                                                                           [tex]\displaystyle g(29) = \frac{3}{5} \lim_{h \to 0} \frac{-h}{h(5\sqrt{25 + h} + h + 25)}[/tex]Simplify:                                                                                                         [tex]\displaystyle g(29) = \frac{3}{5} \lim_{h \to 0} \frac{-1}{5\sqrt{25 + h} + h + 25}[/tex]Evaluate limit [Limit Rule - Variable Direct Substitution]:                           [tex]\displaystyle g(29) = \frac{3}{5} \lim_{h \to 0} \frac{-1}{5\sqrt{25 + 0} + 0 + 25}[/tex]Simplify:                                                                                                         [tex]\displaystyle g(29) = \frac{3}{5} \cdot \frac{-1}{50}[/tex]Multiply:                                                                                                         [tex]\displaystyle g(29) = \frac{-3}{250}[/tex]

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Derivatives

Book: College Calculus 10e

High population density can cause increases in competition for resources, such as food and shelter. The table shows the number of zebras living in four different regions.

A 3-column table has 4 rows. The first column has entries Region A, Region B, Region C, Region D. The second column is labeled Population of Zebras with entries 1,312, 630, 16,400, 17,800. The third column is labeled Area (kilometers squared) with entries 212, 314, 625, 902.

In which region is competition for resources most likely the greatest?

Region A
Region B
Region C
Region D

Answers

Answer:

C

Step-by-step explanation:

magic

The region with the competition for resources is region C with the highest population density

What is Population Density?

The population density, or the number of people divided by the area's size, is determined by the number of people who reside there. Numerous creatures' distribution, growth, and migration can all be explained by population density.

Population density = number of people / the area they occupy

Given data ,

Let the population density be represented as P

Region    Population    Area

A               1,312       212

B               630         314

C               16,400     625

D               17,800      902

Now , the state with the highest population density will have the greater competition for the resources

So , The population density in Region A = 1312 / 212 = 6.19

The population density in Region B = 630 / 314 = 2

The population density in Region C = 16400 / 625 = 26.24

The population density in Region D = 17800 / 902 = 19.7

Hence , the region C has the highest population density

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How many teams haven't won a super bowl
A. 2
B. 12
C. None
D. 3

Answers

Answer:

B. 12

12 teams have never won a Super Bowl :))))

Chris invested some money at a rate of 5% per year compound interest.
After 2 years the value of this investment is $286.65.
Calculate how much Chris invested.

Answers

Step-by-step explanation:

the answer is in the picture ☝️

At the end of a snow storm, Damian saw there was a lot of snow on his front lawn.
The temperature increased and the snow began to melt at a steady rate. There was a
depth of 15 inches of snow on the lawn when the storm ended and then it started
melting at a rate of 0.75 inches per hour. Make a table of values and then write an
equation for S, in terms of t, representing the depth of snow on Damian's lawn, in
inches, t hours after the snow stopped falling.
WILL MARK BRAINLIEST!!

Answers

Answer:

Y=-0.75x+15, I don't think this is fully correct, but hopefully this gets you one step closer!

Step-by-step explanation:

Y=mx+b form

Y=-0.75x+15

Now a table...

(X=0,Y=15) (X=100, Y=90) etc...plug it in to find the value.

evaluate (3.02)(0.5)=

Answers

Answer:

1.51

Step-by-step explanation:

multiply the numbers together

I really need help do can someone do it step by step so I can understand plzzzz​

Answers

Answer:

64 × pi m²

Step-by-step explanation:

the formulas needed for the surface area of a cone are :

base area plus the "mantle", the lateral "wall" around it.

the base area is a circle.

so, that formula is Ac = pi×r²

the "wall" formula is Aw = pi×r×s

r = radius

s = slant height = 12

the formula for the surface area of a sphere is

As = 4×pi×r²

we know now, that both surface areas are the same, and also the radius is the same for both objects.

Ac + Aw = As

pi×r² + 12×pi×r = 4×pi×r²

=>

12×pi×r = 3×pi×r²

12×pi = 3×pi×r

12 = 3×r

r = 4 m

now, we only need to use this value of r in our formulas for surface areas, like for the sphere :

4×pi×r² = 4×pi×4² = 4³×pi = 64×pi

every parallelogram is a square?
every rectangle with four congruent sides is a square?
every rectangle is a quadrilateral?
every quadrilateral is a rectangle?​

Answers

Answer:

every parallelogram is a square? False

every rectangle with four congruent sides is a square? True

every rectangle is a quadrilateral? True

every quadrilateral is a rectangle?​ False

Step-by-step explanation:

every parallelogram is a square?

A parallelogram has two opposite pairs of parallel lines and opposite congruent sides. A square needs to have 4 right angles and all sides need to be equal. In the restrictions of a parallelogram, these cannot be concluded, therefore parallelogram are not always squares.

every rectangle with four congruent sides is a square?

Square require 4 congruent sides and 4 right angles. Rectangles already have  4 right angles. If you add 4 congruent sides to the mix, it means that these rectangles are always squares.

every rectangle is a quadrilateral?

A quadrilateral is defined by a shape having 4 sides. Rectangles have 4 sides, so they fit into the category of quadrilaterals.

every quadrilateral is a rectangle?​

A quadrilateral is a just a shape with four sides. We do not know if it has 4 right angles, so not every quadrilateral is a rectangle.

If x = -5 and y = 2x^2,
then y = ?

Answers

Answer:

y = 50

Step-by-step explanation:

y = 2x^2

Let x= -5

y = 2(-5)^2

Power first

y = 2(25)

Then multiply

  = 50

What is the final transformation in the composition of transformations that maps pre-image GHJK to image G'H"J"K"?

a translation to the right
a reflection across line m
a 90° rotation about point G
a 180° rotation about point G

Answers

Answer:

a reflection across line m

Step-by-step explanation:

A reflection across lime m is the final transformation of pre-image GHJK to image G'H"J"K". Option B is correct.

What is reflection?

Reflection is defined in an atmosphere as when the beam of light or wave strikes to the plane or curved surface deviates back from the atmosphere.

The final transformation is to determine that transition states have been shown in the image that describes how pre-image GHJK transformed to image G'H"J"K".

Steps of Transformation

Pre-image GHJK first rotates anticlockwise by an angle of 90° to G'H'J'K'.

Then G'H'J'K' reflected across the line m to G'H"J"K". It is the final transition state.

Thus, a reflection across lime m is the final transformation of pre-image GHJK to image G'H"J"K".

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I need help with number 2

Answers

Answer:1st because of the formula

Step-by-step explanation:

Answer:

Unlikely.

Step-by-step explanation:

Since the percentage is at least greater than 0%, it is not impossible. However, since it is less than 50%, it is highly unlikely.

Find the exact circumference if the circle has a radius of 12 cm

Answers

Answer:   24pi  centimeters

==========================================================

Explanation:

If the circumference is r = 12 cm, then the diameter is double that at d = 2*r = 2*12 = 24 cm.

This then leads to the circumference of C = pi*d = pi*24 = 24pi

This is exact in terms of pi. Replace pi with something like 3.14 to find its approximate value. The circumference is the distance around the circle's edge, aka perimeter.

Hurry!
Solve for X, Round to the nearest tenth, if necessary

Answers

Answer:

Step-by-step explanation:

take 43 degree as reference angle

using tan rule

tan 43 = opposite / adjacent

0.93 = x / 56

x = 56/0.93

x = 60.21

x = 60.2

975 toffees are to be distributed among 23 children. Estimate the numbers of toffees that each child will get in nearest tens.

Answers

Answer:

40

Step-by-step explanation:

Total number of toffees = 975

Total number of children = 23

Estimate the numbers of toffees that each child will get in nearest tens.

Number of toffees each child get = Total number of toffees / Total number of children

= 975 / 23

= 42.391304347826

Approximately,

Number of toffees each child get = 40 to the nearest tens

Solve the equation.

5x + 8 - 3x = -10

Answers

Answer:

x=-9

Step-by-step explanation:

X= -9

Explanation:
First I moved all the X terms to one side and non X terms to another side. From there I simplified and solved, getting me -9!

I checked my answer with the calculator:)

You just hung a picture twelve inches above the wall trim. Your friend thinks the
picture looks crooked. Use what you know about parallel lines and transversals to
determine if the picture is level.
Step 1: You don't have a level, but you are in luck. You know the wall trim is level.
You have a protractor and the sun is casting a shadow on the wall. Describe how
you can determine if the picture is level.
: Assume you measured ∠3 and ∠5 and found them to be equal. Use the
spaces provided below to complete a formal proof that demonstrates the picture
is level with the trim.

Answers

Answer:

The angles measured between the shadow and the wall trim and the shadow and the top or bottom of the picture should be equal if the picture is level

Step-by-step explanation:

Whereby the picture is 12 inches above the wall trim and the Sun is casting a shadow on the wall, therefore, the edges of the shadow of a straight edged object is straight

If the picture is level, the shadow cast by the sun is transversal to the wall trim and the line formed by extending the bottom or top of the picture in the direction of the shadow. That is, if the picture is parallel, the shadow cast by the Sun on the wall is transversal to the picture and the wall trim if or when the shadow eventually crosses the picture

With the protractor, the angle between the shadow and the wall trim and the shadow and the top or bottom is measured

The angles measured should be the same if the picture is level.

I hope this is correct. If not feel free to let me know and I will fix it. I'm sorry in advance if it is wrong.

Hi, please help me with this math problem.

Answers

9514 1404 393

Answer:

  -x +2

Step-by-step explanation:

The expression can be simplified as follows.

  [tex]\sqrt{x^2-4x+4}=\sqrt{(x-2)^2}=|x-2|[/tex]

For negative values of its argument, the absolute value changes the sign.

For x < 1, x-2 is negative, so the simplified form is ...

  -(x -2) . . . . . for x < 1

  -x +2 . . . . . for x < 1

What is the equation of the line that has a slope of -2 and passes through the point (-1, 2)?

Answers

Answer:

[tex]{ \bf{y = mx + c}} \\ 2 = ( - 2 \times - 1) + c \\ c = 0 \\ \\ { \boxed{ \bf{y = - 2x}}}[/tex]

Answer:

y = -2x

Step-by-step explanation:

The equation of a line in slope intercept form

y = mx+b  where m is the slope and b is the y intercept

y = -2x +b

Using the point

2 = -2(-1)+b

2 = 2+b

Add -2 to each side

2-2 =b

0=b

y = -2x+0

y = -2x

Now that you know the height of the cone how can you solve for the slant height?

Answers

Answer:

imagine a triangle

one side is just upwards trough the cone, one side is the radius of the circle and the last one is the slant height.

remember the pythagoras stuff

so

(slantheight)² = radius² + height²

or finally:

slantheight = squareroot (radius² + height²)

write an equation for this graph.

Answers

Answer:

y = -2

Step-by-step explanation:

The graph shows y = -2.

Answer:

Can you make it better? because it looks so blur.

Ken bought concert tickets for a group of people. The tickets cost $8.50 for adults and $5.00 for students. He bought 8 tickets for a total of $61. Let x = the number of adult tickets and y = the number of student tickets. How many adult and student tickets did Ken purchase?
*I need help ASAP, please

Answers

X=6 y=2
I don’t know why u have to use 20 words

Johns family consume 50dl of milk every day/How many litres of milk did they consume on february 2020

Answers

Answer:

1450dl

Step-by-step explanation:

29 days X 50dl = 1450dl

Question 10 What best describes Theoretical Probability? A.) Flipping a coin once to see if it's a heads or tails. B.) Using mathematical reasoning to determine how many heads, without flipping. C.) Picking a random number for the heads you will see. D.) Flipping a coin 100 times and seeing the number of times it is heads.​

Answers

Answer:

B)

Step-by-step explanation:

Line JK passes through J(2,7) and K(5, 11).
What is the slope of line JK?



Helppp

Answers

Answer: Slope is 4/3

Step-by-step explanation:  slope is change of y / change of x

k = Δy/Δx = (7-11) /(2-5) = -4 / -3 =  4/3

what is the slope of the linear function of (6 , 2) (9 , 8)

Answers

Answer:

2

Step-by-step explanation:

To find the slope, we use the slope formula

m = ( y2-y1)/(x2-x1)

= ( 8-2)/(9-6)

 =6/3

  =2

Answer: The slope of the linear function is 2.

Step-by-step explanation:

We can use the formula [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex] to find the slope

[tex]\frac{8-2}{9-6} \\\frac{6}{3} \\2[/tex]

The slope is 2.

Find the retail price.

Cost of article = $45

Percentage of markup (on cost) = 21%

Retail price = _____.

99.45
54.45
9.45
35.55

Answers

C is the answer hope this helps

What is the length of RS
O -8
O -4
O 4
O 8

Answers

Should be 8 since it covers 8 segments

both physical and mental labour are important in the development of Civilization express in 300 words​

Answers

Answer:

Civilization refers to a well-organized and highly cultural urban society. Urban living is based on people's freedom of self-realization, specialization and a self-organizing market economy. It has also been defined as a society where agriculture and handicrafts have developed, social strata have developed, cities and the state have emerged, writing is known and high-quality literary and artistic works are created.

The first civilizations emerged in the region of Mesopotamia, approximately 6000 years ago. For the development of these it was eminently necessary that individuals had developed cognitive and physical capacities that allowed them a correct cultural assimilation with respect to their peers, and also a correct relationship between them without the development of conflicts.

In addition, a large amount of physical and mental work was required for the development of the organization of these civilizations, both at the infrastructure level and their ideological development.

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