London answered 51 questions correctly on her multiple choice science final and earned a grade of 85%. How many total questions were on the final exam?

Answer:

Step-by-step explanation:

The rule for this dilation is:

Apply this rule to point B(4, 6):

The angles that we have in the image here are:

When two angles are measured, they sum up to 180. They are said to be supplementary angles.

On the question, we have two angles that are 90 degrees on a straight line. Hence they are supplementary.

This is an angle that is at 90 degrees. We have to two right angles on the diagram that we have here.

Read more on supplementary and right angles here:https://brainly.com/question/12919120

#SPJ1

This distribution of snowfall amounts is skewed to the right

Data is said to be skewed to the right or positively skewed, when the tail of the distribution extends more towards the right side of the data. This means that there are a few larger values or outliers that pull the mean or median towards the higher end of the scale, resulting in a longer tail on the right side of the distribution.

In a positively skewed distribution majority of the data is concentrated towards the lower values.

Considering the stemplot the majority of the data is in the lower values

Learn more about skewed to the right at

https://brainly.com/question/30459618

#SPJ1

Answer:

to the second part

18.7 inches

Answer:

12.5

10

Step-by-step explanation:

10(1/2+3/4)

5+7.5

12.5

10(1/2)+(8(3/4)-1)

5+(6-1)

5+5

10

Answer:

-1

Step-by-step explanation:

-2x^2 - (-2x^2 + 1) =

0 - 1 =

-1

Answer: The probability of not drawing a blue marble is 60%

Step-by-step explanation: The probability of randomly drawing a red marble and then a green marble is not 3/5 because they don't add up to be that.

The probability of drawing a blue marble is the same as drawing a red or green marble is wrong as there are 4 blue marbles and only 2 red ones and 4 green ones.

The probability of not drawing a blue one is 60% is right as he has 4 blue ones and the green and red ones add up to be 60% and the 4 blue ones represent 40% and 40+60=100 therefore 100% which shows that the both colours rival the blue one representing 60%.

Answer:

15x+12/18x+32x

Step-by-step explanation:

Hopefully this helped, if not HMU and I will get u a better answer.

-Have a great day! :)

Answer:

fill in the other numbers I'm just lazy :D

Step-by-step explanation:

rearrange formula

y = - 1/4x - 2

then subsitute x values into equation to get the y values

I only did the ones that came as integers to make life easier

Given the shape of the triangular prism

We will find the relation between the line segments

1) AB and BC intersecting

2) AE and BF are parallel

3) EF and AD are skew

4) plane ABC and plane ABF are intersecting

5) plane AED and plane BFC are parallel

a) The value of x is 42.6 when k =16/3 is directly proportional to y.

b) The value of x is -56 when k is -7  is directly proportional to y.

What kind of variation is one where x and y are directly proportional?

x varies directly as y

x α y

x = ky

a) x=6 ; y = 32

x = ky

6 = k(32)

k = 16/3

if y = 8

then,

x = (16/3) * 8

= 128/3

x = 42.6

Hence, the value of x is 42.6 when k =16/3 is directly proportional to y.

b) x= 14 and y = -2

x = ky

14 = k(-2)

k = -7

if y = 8

then,

x = ky

x= (-7) 8

x = -56

Hence, the value of x is -56 when k is -7  is directly proportional to y.

To know more about proportional check the below link:

https://brainly.com/question/870035

#SPJ1

Answer:

0

Step-by-step explanation:

Slope = Δy/Δx

Slope = 10-10/4-1

Slope = 0/3

Slope = 0

It is a Horizontal Line

-Chetan K

Answer: Vertex: (0,0)

Point: (3, -3)

Step-by-step explanation:

Answer:

50/100×30

15..........

Answer:

friend alone could do it in 13 hours and 1/3

Step-by-step explanation:

Your rate = room/8

friends rate = room/x

combined rate = room/8 + room/x

= room(x+8)/(8x)

then

5 = room / [room(x+8)/(8x)]

5 = 8x/(x+8)

8x = 5x + 40

3x = 40

x = 40/3 = 13 1/3

friend alone could do it in 13 hours and 1/3

Given statement solution is :-

1) Gather your electricity bills from the period before the summer break.

2) Create a comprehensive list of all the electrical appliances used in your home.

Include major appliances like air conditioners, refrigerators, washing machines, and smaller devices like televisions, computers, and lights.

3) Research or locate the power consumption information for each appliance.

4) Identify areas where energy consumption can be reduced, such as:

Turning off lights when not in use.

Setting air conditioner temperatures at an optimal level.

Using energy-efficient appliances.

5) After the summer break, collect your electricity bill for the corresponding period.

6) Include details about your energy reduction plan, the changes implemented, and the resulting impact on energy consumption and cost.

Provide recommendations for further improvements or adjustments to achieve even greater sustainability.

To conduct a comparative study of consecutive electric bills and analyze the impact of a reduction plan, you can follow the steps below:

Examine your electricity bills of pre-summer break:

Gather your electricity bills from the period before the summer break.

Look for details such as total energy consumption (in kilowatt-hours or kWh), billing period, and the cost per unit of electricity.

List the various electrical appliances used in your home:

Create a comprehensive list of all the electrical appliances used in your home.

Include major appliances like air conditioners, refrigerators, washing machines, and smaller devices like televisions, computers, and lights.

Find out the power consumption and duration for each device in use:

Research or locate the power consumption information for each appliance.

This information is typically provided on the appliance itself or in the user manual.

Note down the power rating of each device in watts (W) or kilowatts (kW).

Estimate the average duration each device is used daily in hours (e.g., 2 hours for a television, 8 hours for a refrigerator).

Calculate the estimated electricity consumption and cost:

Multiply the power rating (in kW) of each device by its average daily usage (in hours) to find the daily energy consumption (in kWh).

Multiply the daily energy consumption by the number of days in the billing period to get the total energy consumption for that period.

Multiply the total energy consumption by the cost per unit of electricity to calculate the estimated cost for each appliance.

Sum up the estimated costs for all appliances to get the total estimated electricity bill.

Make an energy reduction plan and determine implementation:

Identify areas where energy consumption can be reduced, such as:

Turning off lights when not in use.

Setting air conditioner temperatures at an optimal level.

Using energy-efficient appliances.

Unplugging devices when not in use.

Determine the feasibility of implementing these energy reduction measures in your home.

Re-examine your electricity bill of post-summer break:

After the summer break, collect your electricity bill for the corresponding period.

Calculate the actual energy consumption and cost using the same method as in step 4.

Compare the actual post-summer break bill with the estimated pre-summer break bill.

Note any changes in energy consumption and cost, and analyze the effectiveness of your energy reduction plan.

Document your reduction plan and changes in the bill:

Write a report summarizing your findings and observations.

Include details about your energy reduction plan, the changes implemented, and the resulting impact on energy consumption and cost.

Provide recommendations for further improvements or adjustments to achieve even greater sustainability.

By following these steps, you can conduct a comparative study of consecutive electric bills, analyze the effectiveness of your energy reduction plan, and track changes in energy consumption and costs.

For such more questions on Sustainable Energy Bill Study

https://brainly.com/question/3159537

#SPJ8

Answer:

it's C

Step-by-step explanation:

please mark me as brainliest thank you

Answer:

See the pictures below

Meaning of the colors:

Red = y = x + 5

Blue = y = -( x + 5 )

Green = y = | x + 5 |

Hope this helps :)

Pls brainliest...

Answer:

gracias por lo 20 puntos

Step-by-step explanation:

Answer:

15 minutes equals 900 seconds.

Step-by-step explanation:

Multiply 15 x 60! It equals 900

Answer:

yes

Step-by-step explanation:

yes because 46 ounces is equal to 2.9 pounds

Answer: Yes

Step-by-step explanation:

Im correct because, 1 pound equals 16 ounces. So to find how much 2 pounds is we just have to multiply 16 by 2. 16 times 2 equals 32 ounces and 46 ounces is more then 32 ounces, so it is greater.

Hope This Helps!

1st rectangle:

width: 2.48cm

length: 4.96

2nd rectangle:

width: 4.96 (equals to the length of the 1st rectangle)

area: 9.92

length: 9.92/4.96 = 2

The scale factor from Figure 1 to Figure 2 is 2.25, meaning that all side lengths in Figure 1 must be multiplied by 2.25 to get the corresponding side lengths in Figure 2.

When we say that two figures are similar, we mean that they have the same shape but possibly different sizes. If two figures are similar, then the corresponding angles are equal and the corresponding side lengths are proportional. This means that if we take any two corresponding side lengths from the two figures and divide them, the result will always be the same constant value. This constant value is called the scale factor, or the constant of proportionality, that relates the two figures.

In this problem, we are given two quadrilaterals that are similar, and we are asked to find the scale factor from Figure 1 to Figure 2. We are given that one of the side lengths in Figure 1 is 8, and the corresponding side length in Figure 2 is 18.

To find the scale factor, we need to determine the factor by which we need to multiply all the side lengths in Figure 1 to get the corresponding side lengths in Figure 2. Let's call this factor "k".

We know that the side lengths in similar figures are proportional, so we can set up the following equation:

8k = 18

This equation says that if we multiply the length of each side in Figure 1 by "k", we will get the length of the corresponding side in Figure 2. We solve for "k" by dividing both sides of the equation by 8, which gives:

k = 18/8

We can simplify this fraction to get:

k = 2.25

This means that to go from Figure 1 to Figure 2, we need to multiply all the side lengths by 2.25. Therefore, the scale factor from Figure 1 to Figure 2 is 2.25, or 9/4, or 225%.

Learn more about scale factor here:

https://brainly.com/question/30215119

#SPJ1

Answer:

i think its 2.22

Step-by-step explanation:

Answer:

need help too

Step-by-step explanation:

The graph of a function f(x) is translated up when a positive number is added to the y-value of the function by 3 units that is the graph g(x) that is g(x) = f(x) + 3.

The correct option that illustrate the transformation that gives g(x) that has a y-intercept at 3, is the option B;

g(x) = f(x) + 3

What is Algebraic expression ?

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as x, y, z, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

The graph of the function f(x) = x, as an illustration is attached

The transformation of linear functions are:

Horizontal shifts;

f(x + h); A shift of h units left

f(x - h); A shift of h units right

Vertical shifts;

f(x) + m; A shift of m units up

f(x) - m; A shift of m units down

Whereby the y-intercept of f(x) is 0, we have;

Let f(x) = x, therefore;

g(x) = f(x) + 3

      = x + 3

The graph has to be shifted 3 places up to get g(x), therefore;

The function that gives g(x) from f(x) is the option;

B. g(x) = f(x) + 3

Learn more about transformation here:

brainly.com/question/17813643

#SPJ1

Answer:

2.125

Step-by-step explanation:

3.5-1.375=2.125

Answer:

35 + 17c I hope this helps!! Plz give brainliest!!!

Step-by-step explanation:

7(5+2c)+3c

35+14c+3c

35+17c