Carl is the owner of a shoe store and notices that his electricity bill has increased by 3%. Which of the expressions below represent a 3% increase?
1. a + 0.03a
2. a + 0.3a
3. 1.03a
4. 1.3a

expression 1 only
expression 2 only
expressions 1 and 3
expressions 2 and 4

Answers

Answer 1

Answer:

1 and 3

Step-by-step explanation:


Related Questions

Factor out the greatest common factor from the following polynomial.

Answers

Answer:

i pretty sure its   6

                       8x

Step-by-step explanation:

i did the research

8x⁸-24x⁷+64x⁶

Here

Common part is 8 and x⁶

Now

Factor out

8x⁶(x²-3x+8)

GCF=8x⁶

The algebraic expression of the SUM is n²+2n. What is the common difference and first term

Answers

Answer:

see explanation

Step-by-step explanation:

substitute n = 1, 2 into the sum rule

1² + 2(1) = 1 + 2 = 3 , then

a₁ = 3

2² + 2(2) = 4 + 4 = 8 , then

a₁ + a₂ = 8

3 + a₂ = 8 ( subtract 3 from both sides )

a₂ = 5

then

common difference d = a₂ - a₁ = 5 - 3 = 2

First term is 3 and common difference = 2

y=x+2
y=-2x-1


solve by addition method

Answers

Answer:

x = -1, y = 1

Step-by-step explanation:

The following three shapes are based only on squares, semicircles, and quarter circles. Find the perimeter and the area of each shaded part.

Answers

Answer:

Step-by-step explanation:

The total shaded area = area of the square - area of a circle

= 9^2 - π * 4.5^2

= 17.3827

The 2 shaded parts both have area 8.69 unit^2 ( to nearest hundred)

Perimeter:

The perimeter of the top shaded part

= AB + 1/2 circmference of the circle

= 9 + 1/2 * 2 π r

= 9 + 14.137

= 23.14 units ( to nearest hundredth)

The bottom part has the same perimeter.

Answer:

area: 17.38 cm²perimeter: 46.27 cm

Step-by-step explanation:

You want the perimeter and area of the part of a 9 cm square remaining after a semicircle is removed from two opposite sides.

Area

The shaded area is the area of the 9 cm square less the area of a 9 cm circle. That area is ...

  A = s² -  π(s/2)² = s²(1 -π/4) . . . . . where s is the side length of the square

  A = (9 cm)²(1 -π/4) ≈ 17.38 cm²

The area is about 17.38 cm².

Perimeter

The perimeter is the circumference of the circle plus two sides of the square.

  P = C +2s

  P = πs +2s = s(π+2)

  P = (9 cm)(π+2) ≈ 46.27 cm

The perimeter is about 46.27 cm.

<95141404393>

I'm struggling with this question, if someone could help me that'd be great! :)

Answers

Answer:

t = 3 seconds

Step-by-step explanation:

You can think of this as a quadratic and find the zeros. i will use x and y to make it easier.

y = -16x^2 + 48x

y = (x)(-16x+48)

y = (-16)(x)(x-3)

This means your zeros are at x = 0 and x-3 = 0, so 0 and 3.

0 is when the ball leaves the ground, so 3 is when it returns.

Suppose you invest $550 at an annual interest rate of 3% compounded continuously. How much will you have in the account after six years? Round your answer to the nearest cent.

Answers

[tex]~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$550\\ r=rate\to 3\%\to \frac{3}{100}\dotfill &0.03\\ t=years\dotfill &6 \end{cases} \\\\\\ A=550e^{0.03\cdot 6}\implies A=550e^{0.18}\implies A\approx 658.47[/tex]

please give me the working for this question and I promise to give you stars and mark you as brainliest thank you.​

Answers

10/18

12 divided by 6 equals 2 so 10 times 1 equals 10 and 2 times 9 equals 18 so 10/18 is your answer.

Answer: 5/9

Step-by-step explanation:   10             6

                                              ------  x ----------- = 5

                                                12           9         -----

                                                                            9

i need to find volume of this triangular pyramid

Answers

Answer:

135 Cubic Inches

Step-by-step explanation:

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!

For 100 points!!!
Three times a number, plus nine, equals negative two times the same number, plus forty-four. The number is?

Answers

Answer:

4A - 8 = 3A + 4

Step-by-step explanation:

Answer:

31/5

Step-by-step explanation:

3x+9=-2x+40

when you solve the equation, you get 31/5!

Please mark as brainliest if you can. Hope this helps!

Someone want to help with number 1

Answers

Answer:

  95 in²

Step-by-step explanation:

The total area of a pyramid is the sum of the areas of the triangular faces and the area of the base.

__

face area

Here, each triangular face has a base of 5 in, and a slant height of 7 in. Its area will be given by the area formula for a triangle:

  A = 1/2bh

  A = 1/2(5 in)(7 in) = 35/2 in² . . . . area of one of four congruent faces

__

base area

The area of the base is that of a square with 5-inch sides. It is given by the formula ...

  A = s²

  A = (5 in)² = 25 in²

__

total area

Then the total surface area is .

  area of base + 4 × triangle area

  = 25 in² + 4(35/2 in²) = 95 in² . . . . . surface area of the pyramid

PLSSS HELP IF YOU TURLY KNOW THISS

Answers

Answer:

A

Step-by-step explanation:

[tex]\frac{4}{5} + \frac{2}{5} = \frac{6}{5} \\Simple make it improper, resulting in answer A[/tex]

Hope this helps!

it math questions: true or false!​

Answers

Answer:

1 true 2true 3false 4true 5 true

Answer:

1: True 2: False 3: True 4: True 5: False

I need help finding the value of this figurehead

Answers

Answer:

See below, please

Step-by-step explanation:

Volume

[tex] = (x + 12) \times (x + 3) \times 2x[/tex]

[tex] = ( {x}^{2} + 15x + 36) \times 2x[/tex]

[tex] = 2 {x}^{3} + 30 {x}^{2} + 72x[/tex]

Ms Alvarez’s math class surveyed 10 students in 6th grade and 10 students in 7th grade

Answers

Answer: Would the total be 20 Students? What exactly is the question

Step-by-step explanation:

10 + 10 = 20

please help I can't figure out the mode

Answers

Answer:

The mode is the number that appears the most.

Therefore the answer is 7.

Answer:

7

Step-by-step explanation:

the mode is the number that appears the most in a data set. In this data set the number that appears the most is 7.

Ms. Pearson kept track of student absences versus final average grades in her math dass for one semester, The
data is shown in the table below

Answers

The correct statement about the data collected by Ms. Pearson is that there is no association between a student's absences and the final average grades.

When do variables have a linear relationship?

The equation that represents a linear relationship is: a + bx

Where x represents the rate of increase. Thus, for linear equations, the functiion increases by a constant term.

Looking at the table, the average final grade does not increase by a constant term.

To learn more about linear functions, please check: https://brainly.com/question/26434260

what is 2x2x32 to the 2 power​

Answers

Answer:

16384

Step-by-step explanation:

Here is how you do it : (2*2*32)^(2)

A doctor wants to estimate the difference in mean healing time of Achilles tendon injuries among those who have major and minor strains. The doctor selects a random sample of 5 patients who had major strains and 8 patients who had minor strains and recorded the healing time, in weeks. Here are the data: Major: 8, 9.5, 10, 12, 11.5 Minor: 6, 7, 5.5, 8, 9, 6, 7, 6 Assume the length of healing time for both major and minor Achilles injuries is nearly Normal. Using a graphing calculator to construct a 95% confidence interval for μMajor – μMinor = the true difference in the mean healing time for these two injuries. Enter the values to 3 decimal places. (, )

Answers

Answer: 1.406, 5.369

Step-by-step explanation:

edg22

When you use a graphing calculator to construct a 95% confidence interval for μMajor – μMinor = the true difference in the mean healing time will be  1.406, 5.369.

What is a Graphing Calculator?

A graphing calculator is known to be a kind of handheld computing device that is used for  plotting of graphs, handling simultaneous equations, etc.

Note that by inputting those numbers such as  Major: 8, 9.5, 10, 12, 11.5 Minor: 6, 7, 5.5, 8, 9, 6, 7, 6 , following the right equation on the graphing calculator, one can be able to construct a 95% confidence interval for μMajor – μMinor = and the the true difference in the mean healing time will be found to be 1.406, 5.369.

Learn more about calculator from

https://brainly.com/question/27370687

#SPJ2

A) Find the area of each triangle.
1)
2 yd
7 yd

Answers

Answer:

Area= 7

Explanation: area of triangle is A=bh/2

b=2 h=7

7 x 2 = 14/2 = 7

What value of x makes this equation true?

5x+3=2x-3

Answers

Answer:

-2

Step-by-step explanation:

[tex]5x+3 = 2x -3 \\\\\implies 5x -2x = -3 -3\\\\\implies 3x = -6\\\\\implies x = -\dfrac 63 =-2[/tex]

hello!

Let's solve this equation.

Step 1

Move the numbers to the right:-

5x=2x-3-3

Step 2

Move the x's to the left

5x-2x=-3-3

Notice I use the opposite operation :)

Step 3

Combine like terms

3x=-6x

Step 4

Divide both sides by 3

x=-2

That's the value of x that makes the equation true.

note:-

Hope everything is clear; if you need any clarification/explanation, kindly let me know, and I'll comment and/or edit my answer :)

Standing in your tree house, 50 feet off the ground, you look down at a 60° angle and notice a Frisbee. Approximately how many feet from the base of the tree is the Frisbee? Draw a picture to help you!

Answers

Answer:

About 29 feet.

Step-by-step explanation:

tan 60 = 50 / h

h = 50/ tan 60

= 28.87 ft

what should be subtract from -1/7 to get 11/14? . please answer the question........................................ ..........​

Answers

[tex]-\dfrac 17 - x = \dfrac{11}{14}\\\\\implies x = -\dfrac 17 - \dfrac{11}{14}\\\\\implies x= -\dfrac{13}{14}\\\\\text{Hence,}~x = -\dfrac{13}{14}~ \text{should be subtracted.}[/tex]

In 10 and 11, find the area in square units of each polygon.

Answers

Answer:

10: 12 units^2 11: 33 units^2

Step-by-step explanation:

10:

Divide into square and 2 triangles (for simplicity)

square=9

one triangle=3/2

both triangles combined=3

9+3=12

11:

divide into 2 triangles

top triangle: height= 4, base=6

bottom triangle: height= 7, base=6

top=12

bottom=21

Add, 33.

10: 12 units^2 11: 33 units ^2

8 piglets are evenly sharing 5 liters of milk.
How many liters of milk should each piglet get?
Choose 1 answer:
A. 1 3/8 liters of milk
B. 13/8 liters of milk
C. 5/8 liters of milk
D. 8/5 liters of milk

Answers

Answer:

C.

Step-by-step explanation:

5 liters divided by 8.

5 divided by 8 = 5/8

Answer: 5/8 liter

What is the area of a circle with a diameter of 4x? Please I need help rn

Answers

Answer:

12.57x² units²

Explanation:

area of circle: πr²                  ["r" denotes radius]

diameter: 2r

Given,

diameter: 4x

radius: 4x/2 = 2x

Area of circle:

πr²

π(2x)²

π(4x²)

4πx²

12.57x²

Answer:

4πx² square units

Step-by-step explanation:

Area of a circle

[ A = πr² ]

The formula uses the radius of the circle, but we have the diameter. Remember the relation :

Diameter = 2 x Radius4x = 2 x RadiusRadius = 4x/2 = 2x

Now, we can solve.

⇒ A = πr²⇒ A = π(2x)²⇒ A = 4πx² square units

bagles come in bags of eight. how many bagles are in 2 3/4 bags?

Answers

The answer is 22 because you multiple 8 by 2 3/4

Please HELP ME! PLEASE!

Answers

Answer:

-     8/4x^6-5x^5+2

Step-by-step explanation:

Write these as 24-hour clock times.
A- 6:05am
B- 11:20pm
C- 12 noon
D- 10:18pm

Answers

A- 6:05am

=0605hrs

B- 11:20pm

= 2320hrs

C- 12 noon

= 1200hrs

D- 10:18pm

= 2218hrs

have a nice day!

a. 06 05

b. 23 20

c. 12 00

d. 22 18

Solve for x
x = ?
Please hurry! I will give brainliest to correct answer!​

Answers

Answer:

23.3786

Step-by-step explanation:

tan33° = x÷36

x = tan33°×36

x = 23.3786

Answer:

23.36

Step-by-step explanation:

We have three things on the diagram :

Angle = 33°Length of adjacent side = 36Length of opposing side = x

When the opposing side length and adjacent side length is given, always use the tan ratio.

tan = opposite / adjacent

First, find the numerical value of tan(33°)

tan(33°) = 0.6494 = 0.649

Solving :

tan(33°) = x/36 = 0.649⇒ x = 0.649 x 36⇒ x = 23.364 = 23.36

Find the areas of these polygons

Answers

The area of triangle
=5*7/2
=35/2
17.5sq.units//

The area of parallelogram
=15*8
=120sq.units//
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