Please help me i really need to pass this!

Please Help Me I Really Need To Pass This!

Answers

Answer 1

Answer:

i think A but can be B

Step-by-step explanation:


Related Questions

A gardener uses a total of 61.5 gallons of gasoline in one month. Of the total amount of gasoline, 3/5 was used in his lawn mowers. How many gallons of gasoline did the gardener use in his lawn mowers in the one month?

What do i do here?

Answers

Answer:

36.9 gallons were used in one month.

Step-by-step explanation:

In order to find this out, we first take 3/5 and convert it into a decimal by dividing the numerator by the denominator

3 ÷ 5 = 0.6

Then, we can set up this equation to figure out how many gallons of gasoline were used:

0.6 x 61.5 = 36.9

Answer: 36.9 gallons used

Step-by-step explanation: 61.5 * 3/5 which is 615/10 * 3/5.

What number should go in the box to make the equation true? Explain how you got to your answer.


- (3/4) = ?/4


A. -3

B. 3

C. -4

D. 4

Answers

B is the correct answer for this because -3/4 equals 0.75 and 0.75 equals 3/4. Hope this helps you:)
B I had it yesterday

Help would be appreciated

Answers

Answer:

1.5 miles less

Step-by-step explanation:

Step 1:  Find equation for Alexanda

We can see from Fabian's equation that there is a linear relationship between miles (y) and gallons (x).Fabian's equation is in the slope-intercept form (y = mx + b), where m is the slope and b is the y-intercept. Although we're not given the equation for Alexandra, we can find it using the slope formula, which is

[tex]m=\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex].

If we allow (8, 345.6) to be our x1 and y1 and (12, 518.4) to be our x2 and y2, our slope is

[tex]m=\frac{(518.4-345.6)}{(12-8)}\\ m=\frac{172.8}{4}\\ m=43.2[/tex]

Now, we must find the y-intercept by plugging in 43.2 for m, 8 for x, and 345.6 for y into the general slope-intercept form and solving for b:

[tex]345.6=43.2(8)+b\\345.6=346.6+b\\0=b[/tex]

Thus, the equation for Alexandra is y = 43.2x

Step 2: Plug in 1 for x for both Fabian and Alexandra's equations and subtract

Since x is is gallons, we plug in 1 for x for each equation and subtract Fabian's miles from Alexandra's miles to find how many miles less can Fabian drive one 1 gallon of gas than Alexandra:

Fabian:  y = 41.7(1) = 41.7

Alexandra:  y = 43.2(1) = 43.2

Difference of Alexandra and Fabian's miles:  43.2 - 41.7 = 1.5

John puts $70 in a savings account that earns 6% annually. The interest is not compounded. How many years will it take John to make at least $100 in interest?

Answers

Answer:

24 years

Step-by-step explanation:

If interest is not compounded, it is called simple interest.

Simple interest is calculated as a percentage of the principal amount and is applied only to the principal.

The formula for simple interest is:

[tex]\boxed{\sf I = Prt}[/tex]

where:

I = Total interest earned.P = Principal amount.r = Interest rate (in decimal form).t = Time (in years).

The given values are:

I = $100P = $70r = 6% = 0.06

Substitute the given values into the formula and solve for t:

[tex]\implies \sf 100=70 \cdot 0.06 \cdot t[/tex]

[tex]\implies \sf 100=4.2 t[/tex]

[tex]\implies \sf 4.2 t=100[/tex]

[tex]\implies \sf \dfrac{4.2 t}{4.2}=\dfrac{100}{4.2}[/tex]

[tex]\implies \sf t=23.8095238...\;years[/tex]

We need to round up to the next year. Therefore, it will take 24 years for John to make at least $100 in interest.

Answer:

approx. 24 years

Step-by-step explanation:

The formula to find the simple interest is:

[tex]\sf I= \frac{prt}{100}[/tex]

Here,

I ⇒ Interest ⇒ $ 100

p ⇒ principle ⇒ $ 70

r ⇒ rate ⇒ 6

t ⇒ time ( years )

Let us find the time taken using the formula.

[tex]\sf I= \frac{prt}{100}\\\\100=\frac{70*6*t}{100} \\\\100*100=420t\\\\10000=420t\\\\23.8\: years=t\\\\approx. \:24 \:years=t[/tex]

What is the number of possible outcomes if two quarters are tossed at the same time and the numbers of heads and tails are counted?
Responses
A 2
B 6
C 3
D 4

Answers

Answer: 4

Step-by-step explanation:

c1: c2:

H - H

T - T

T - H

H - T

The answer is D. 4 each quarter has 2 sides and there are 2 quarters so you multiply it 2•2=4

Example: you role two dice how many outcomes are there?

There are two dice with six sides so you would multiply 6•6 to get 36

What is the circumference of the circle with a radius of 4.5 meters? Approximate using π = 3.14.

14.13 meters
28.26 meters
56.52 meters
63.59 meters

Answers

Answer: the circumference of this circle is : 28.26 meters.

Step-by-step explanation:

The formula for circumference is = 2*pi*radius

Here,

pi=3.14

radius=4.5meters

hence,

using the formula; 2*pi*r

circumference =2 * 3.14 * 4.5m

circumference = 28.26 meters.

Answer:

The Circumference of circle os 28.26 meters.

Step-by-step explanation:

Given : Radius of circle is 4.5 meter

To Find : Circumference of circle

Using Formula :

[tex]\leadsto\sf{Circumference_{(Circle)} = 2 \pi r}[/tex]

Solution :

Finding the Circumference of circle by substituting all the given values in the formula :

[tex]\leadsto\sf{Circumference_{(Circle)} = 2 \pi r}[/tex]

[tex]\leadsto\sf{Circumference_{(Circle)} = 2 \times \pi \times r}[/tex]

[tex]\sf{\leadsto{Circumference_{(Circle)} = 2 \times 3.14\times 4.5}}[/tex]

[tex]\sf{\leadsto{Circumference_{(Circle)} = 6.28\times 4.5}}[/tex]

[tex]\sf{\leadsto{Circumference_{(Circle)} = 28.28 \: meteres}}[/tex]

Hence, the Circumference of circle is 28.26 meters.

————————————————

Pls answer and explain the question below (comes with pic)

The following circle graph represents how the Townsends spend their monthly income. If their total monthly budget is $3,000, how much do they spend per month on food?

Answers

Answer: 600

Step-by-step explanation: divide the value by the total value and then multiply the result by 100.

This pattern can be represented by a quadratic expression.
True or False?
Explain.⬅

Answers

Answer:false

Step-by-step explanation:

false because the lastone is different

False it doesn’t show a quadratic expression

Find volume of these figures. Best answer will receive brainliest. 100 points. ASAP

Answers

Answer:

Question 4 — 132 yard³

Question 5 — 190 inch³

Question 6 — 744 foot³

Question 7 — 972 foot³

Question 8 — 90 yard³

Question 9 — 1118 inch³

Step-by-step explanation (Question 4):

The shape of the object is in ‘L’ shape. So, the object can be divided into two rectangles. A vertical and a horizontal Cuboid (Rectangular Prism).

Length of the Vertical Cuboid = 16 yards

Width of the Vertical Cuboid = 3 yards

Height of the Vertical Cuboid = 2 yards

Area of the Vertical Cuboid = Length * Breadth * Height

                                                = 16 * 3 * 2

                                                = 96 yard³

Length of the Horizontal Cuboid = ( 8 - 2 ) = 6 yards

Width of the Horizontal Cuboid = 3 yards

Height of the Horizontal Cuboid = 2 yards

Area of the Horizontal Cuboid = Length * Breadth * Height

                                                     = 6 * 3 * 2

                                                     = 36 yard³

As per the above information we can figure out that the total area of the figure is —

Area of the Horizontal Cuboid + Area of the Vertical Cuboid

36 + 96 = 132 yard³


Step-by-step explanation (Question 5):

The shape of the object is in ‘L’ shape. So, the object can be divided into two rectangles. A vertical and a horizontal Cuboid (Rectangular Prism).

Length of the Vertical Cuboid = 11 inches

Width of the Vertical Cuboid = 5 inches

Height of the Vertical Cuboid = 2 inches

Area of the Vertical Cuboid = Length * Breadth * Height

                                                = 11 * 5 * 2

                                                = 110 inch³

Length of the Horizontal Cuboid = ( 15 - 5 ) = 10 inches

Width of the Horizontal Cuboid = 2 inches

Height of the Horizontal Cuboid = 4 inches

Area of the Horizontal Cuboid = Length * Breadth * Height

                                                     = 10 * 2 * 4

                                                     = 80 inch³

As per the above information we can figure out that the total area of the figure is —

Area of the Horizontal Cuboid + Area of the Vertical Cuboid

80 + 110 = 190 inch³


Step-by-step explanation (Question 6):

The shape of the object is in ‘L’ shape. So, the object can be divided into two rectangles. A vertical and a horizontal Cuboid (Rectangular Prism).

Length of the Vertical Cuboid = 12 foot

Width of the Vertical Cuboid = 3 foot

Height of the Vertical Cuboid =  ( 5 + 4 ) = 9 foot

Area of the Vertical Cuboid = Length * Breadth * Height

                                                = 12 * 3 * 9

                                                = 324 foot³

Length of the Horizontal Cuboid = 12 foot

Width of the Horizontal Cuboid = ( 10 - 3 ) = 7 foot

Height of the Horizontal Cuboid = 5 foot

Area of the Horizontal Cuboid = Length * Breadth * Height

                                                     = 12 * 7 * 5

                                                     = 420 foot³

As per the above information we can figure out that the total area of the figure is —

Area of the Horizontal Cuboid + Area of the Vertical Cuboid

420 + 324 = 744 foot³


Step-by-step explanation (Question 7):

The shape of the object is in ‘L’ shape. So, the object can be divided into two rectangles. A vertical and a horizontal Cuboid (Rectangular Prism).

Length of the Vertical Cuboid = 18 foot

Width of the Vertical Cuboid = 2 foot

Height of the Vertical Cuboid = 12 foot

Area of the Vertical Cuboid = Length * Breadth * Height

                                                = 18 * 2 * 12

                                                = 432 foot³

Length of the Horizontal Cuboid = 18 foot

Width of the Horizontal Cuboid = 5 foot

Height of the Horizontal Cuboid = 6 foot

Area of the Horizontal Cuboid = Length * Breadth * Height

                                                     = 18 * 5 * 6

                                                     = 540 foot³

As per the above information we can figure out that the total area of the figure is —

Area of the Horizontal Cuboid + Area of the Vertical Cuboid

540 + 432 = 972 foot³


Step-by-step explanation (Question 8):

The shape of the object is in ‘L’ shape. So, the object can be divided into two rectangles. A vertical and a horizontal Cuboid (Rectangular Prism).

Length of the Vertical Cuboid = 3 yards

Width of the Vertical Cuboid = ( 8 - 6 ) = 2 yards

Height of the Vertical Cuboid = 5 yards

Area of the Vertical Cuboid = Length * Breadth * Height

                                                = 3 * 2 * 5

                                                = 30 yard³

Length of the Horizontal Cuboid = 6 yards

Width of the Horizontal Cuboid = 2 yards

Height of the Horizontal Cuboid = 5 yards

Area of the Horizontal Cuboid = Length * Breadth * Height

                                                     = 6 * 2 * 5

                                                     = 60 yard³

As per the above information we can figure out that the total area of the figure is —

Area of the Horizontal Cuboid + Area of the Vertical Cuboid

60 + 30 = 90 yard³


Step-by-step explanation (Question 9):

The shape of the object is in ‘L’ shape. So, the object can be divided into two rectangles. A vertical and a horizontal Cuboid (Rectangular Prism).

Length of the Vertical Cuboid = 13 inches

Width of the Vertical Cuboid = 4 inches

Height of the Vertical Cuboid = 11 inches

Area of the Vertical Cuboid = Length * Breadth * Height

                                                = 13 * 4 * 11

                                                = 572 inch³

Length of the Horizontal Cuboid = 13 inches

Width of the Horizontal Cuboid = 6 inches

Height of the Horizontal Cuboid = 7 inches

Area of the Horizontal Cuboid = Length * Breadth * Height

                                                     = 13 * 6 * 7

                                                     = 546 inch³

As per the above information we can figure out that the total area of the figure is —

Area of the Horizontal Cuboid + Area of the Vertical Cuboid

546 + 572 = 1118 inch³



Hope my answer helps you.

:)

Please mark my answer as the BRAINLIEST. Plssssssssssssssssssss

PLS HELP ASAP!! WILL GIVE BRAINLIEST!

Three friends worked on a painting job. The number of hours worked by each of the three is shown in the table below


Name : Hours Worked

Pedro : 35

Fatou : 21

Angelica : 28


They were paid $1,440 for the job which they split proportionally based on the number of hours each of the friends worked.

How much should Angelica receive?

(A) $480.00

(B) $720.00

(C) $360.00

(D) $600.00

Answers

Answer:

Step-by-step explanation:

35+21+28= 84 hours total

1,440 divided by 84

17.14 per hour

Angelica worked 28 hours

17.14 x 28 = 479.92

A is correct

Answer is A I think :))

Five balls, A, B, C, D, and E, weigh 30g, 50g, 50g, 50g, and 80g each. Which ball weighs 30g?

Answers

Answer:

A weighs 30 because it is always on the higher side

Find the surface area of a triangular pyramid with the numbers 10 ft, 11 ft, 12 ft

Answers

Don’t really got a good look at your picture but a triangular pyramid with a length of 12 feet, width of 10 feet, and a height of 11 feet would be 390.30.

Question 12(Multiple Choice Worth 2 points)
(Three-Column Tables MC)

The relationship between the number of pies-to-cakes chosen by middle school students as their favorite dessert is shown in the table.


Pie 36 42 60
Cake D 7 C
Total 42 A B


What is the value of C in the table?
6
10
49
70

Answers

Answer:

The value of C in the table is 0. Total number of cake lovers = Total - (number of students who chose pie) = 138 - (36 + 42 + 60) = 138 - 138 = 0

Step-by-step explanation:

The value of C in the given table is 10. Therefore, option B is the correct answer.

What is proportionality?

The property of having suitable proportions in terms of size, number, degree, harshness, etc.: If a defensive action against an unfair attack results in the destruction that contravenes the proportionality criterion, it may even go far beyond a justifiable defense.

From the given table,

42/7 = 60/C (Using proportionality)

6=60/C

C=10

Therefore, option B is the correct answer.

Learn more about proportionalities visit:

brainly.com/question/3254974

#SPJ2

Answer needed by 1:30-2:30pm

Answers

Answer:

The answer is 78

Step-by-step explanation: Well, first thing I did was cut into two shapes so a square and a rectangle and 3 x 2 = 6    and 9 x 8 = 72 and 72 +6 = 78

Answer:

78

Step-by-step explanation:

3 x 2= 6

9 x 8 = 72

72 + 6 = 78

Triangle ABC is dilated about the origin to create triangle A′B′C′.



Determine the scale factor used to create the image.

A: two sevenths
B: three fourths
C: 3.5
D: 7

Thanks!

Answers

I believe it’s 3.5 (sorry if my wrong) :)

Answer:

C.

Step-by-step explanation:

Romi and her friends ran in a terrain race. Their distance, in miles, from the starting line over time, in minutes, is shown on the graph.




Which of the following descriptions could represent the graph?


From the starting line, Romi ran 4 miles in 40 minutes, rested for 20 minutes, jogged back 2 miles toward the starting line in 40 minutes, rested for 20 minutes, and walked the last 2 miles back to the starting line.


From the starting line, Romi ran 4 miles in 40 minutes, rested for 40 minutes, jogged back 1 mile toward the starting line in 20 minutes, rested for 20 minutes, and jogged the last 3 miles back to the starting line.


From the starting line, Romi ran 2 miles in 20 minutes, rested for 20 minutes, jogged 2 more miles away from the starting line in 40 minutes, rested for 40 minutes, and jogged the last 4 miles back to the starting line.


From the starting line, Romi ran 2 miles in 20 minutes, rested for 40 minutes, jogged 1 more mile away from the starting line in 40 minutes, rested for 20 minutes, and jogged the last 4 miles back to the starting line.

Answers

Answer:

option c is the correct answer

A cylinder has a radius of 4.5 cm and height 19 cm. What is the surface area of the cylinder in terms of ​? Apply the formula SA = 2B + Ph

Answers

Answer : -
12 inches ……

The data given represents the number of gallons of coffee sold per hour at two different coffee shops.


Coffee Ground
1.5 20 3.5
12 2 4
11 7 2.5
9.5 3 5
Perks A Lot
10 3.5 3
5 2.5 7
8 5.5 9.5
6 9 4.5


Compare the data and use the correct measure of center to determine which shop typically sells the most amount of coffee per hour. Explain.
Perks A Lot, with a mean value of 6.125 gallons
Perks A Lot, with a median value of 6.125 gallons
Coffee Ground, with a mean value of 6.75 gallons
Coffee Ground, with a median value of 6.75 gallons

Answers

The answer is .c. Brainlist pls
To compare the amount of coffee sold per hour at the two coffee shops, we need to calculate the measures of center for each shop. The measures of center are the mean and median.

To calculate the mean, we add up all the values and divide by the total number of values. To calculate the median, we arrange the values in order from smallest to largest and find the middle value. If there are an even number of values, we take the average of the two middle values.

Using these methods, we get:

For Coffee Ground:
Mean = (1.5 + 20 + 3.5 + 12 + 2 + 4 + 11 + 7 + 2.5 + 9.5 + 3 + 5) / 12 = 6.75 gallons
Median = (2 + 2.5 + 3 + 3.5 + 4 + 5 + 7 + 9.5 + 11 + 12 + 20 + 9.5) / 2 = 6.75 gallons

For Perks A Lot:
Mean = (10 + 3.5 + 3 + 5 + 2.5 + 7 + 8 + 5.5 + 9.5 + 6 + 9 + 4.5) / 12 = 6.125 gallons
Median = (3.5 + 3 + 4.5 + 5 + 5.5 + 6 + 7 + 8 + 9 + 9.5 + 10 + 2.5) / 2 = 6.125 gallons

Based on these calculations, we can see that both shops have the same median value of 6.75 gallons. However, the mean value for Coffee Ground is slightly higher at 6.75 gallons compared to Perks A Lot's mean value of 6.125 gallons.

Therefore, we can conclude that Coffee Ground typically sells the most amount of coffee per hour, based on the mean value. However, since the median values are the same for both shops, it's possible that there is some variability in the amount of coffee sold at each shop, and further analysis may be necessary to make a more definitive conclusion.

Which of the following sets of ordered pairs represents a function?

A: {(−4, −3), (−2, −1), (−2, 0), (0, −2), (0, 2)}
B: {(−5, −5), (−5, −4), (−5, −3), (−5, −2), (−3, 0)}
C: {(−4, −5), (−4, 0), (−3, −4), (0, −3), (3, −2)}
D: {(−6, −3), (−4, −3), (−3, −3), (−2, −3), (0, 0)}

Answers

Answer:

A set of ordered pairs represents a function if each input (first coordinate) corresponds to one and only one output (second coordinate). In other words, there can't be two different second coordinates for the same first coordinate.

Using this definition, we can determine which of the sets of ordered pairs represents a function:

A: {(-4, -3), (-2, -1), (-2, 0), (0, -2), (0, 2)}

The input -2 has two different outputs (-1 and 0), and the input 0 also has two different outputs (-2 and 2). Therefore, this set does not represent a function.

B: {(-5, -5), (-5, -4), (-5, -3), (-5, -2), (-3, 0)}

The input -5 has four different outputs (-5, -4, -3, and -2), but each of the other inputs has only one output. Therefore, this set does not represent a function.

C: {(-4, -5), (-4, 0), (-3, -4), (0, -3), (3, -2)}

The input -4 has two different outputs (-5 and 0), but each of the other inputs has only one output. Therefore, this set does not represent a function.

D: {(-6, -3), (-4, -3), (-3, -3), (-2, -3), (0, 0)}

Each input has only one output, so this set represents a function.

Therefore, the set of ordered pairs that represent a function is D: {(-6, -3), (-4, -3), (-3, -3), (-2, -3), (0, 0)}.

Set C {(−4, −5), (−4, 0), (−3, −4), (0, −3), (3, −2)} does not represent a function because it has two ordered pairs with the same x-coordinate (-4). The other sets represent functions.

PLEASE SOMEONE HELP I BEG U \

A new physical therapy is being tested in an experimental setting to see if the new methods reduce the recovery time for patients who recently underwent surgery for a torn ACL, a ligament in your knee. To do this, the researchers in the study first performed intake on participants by observing their Body Mass Index (BMI) and had them take a survey to describe their diet and their exercise habits.

Then, the participants were split into three groups: the first group received no physical therapy, the second group received traditional physical therapy, and the third group received the new experimental physical therapy.

The group which receives no physical therapy would best be described as which of the following?

EXPLANATORY VARIABLE
RESPONSE GROUP
CONTROL GROUP
EXPERIMENTAL UNIT

Answers

Answer:response group

Step-by-step explanation: cause its not the last one

In the US, 42% of people have type A blood, 10% have type B, 4% have type AB, and 44% have type O. People with type Band type AB blood can receive type B blood. What percentage of people can receive transfusions of type B blood?

Answers

Answer: 14%

Step-by-step explanation:

10+4=14

According to the information given, people with type B and AB blood can receive transfusions of type B blood.

So, the percentage of people who can receive transfusions of type B blood is the sum of the percentage of people with type B and AB blood, which is:

10% + 4% = 14%

Therefore, 14% of people can receive transfusions of type B blood.

Pls help asap!!! WILL GIVE BRAINLIEST!!!
Julio made curtains from a roll of material that was 76.5 yards long. He made 18 identical curtains and had 10.8 yards of material left over. What was the length in yards of the material Julio used per curtain?

Answers

Answer:

3.65

Step-by-step explanation:

First do 76.5-10.8=65.7

Then do 65.7/18= 3.65

answer:

3.65 yards per curtain

step by step:

76.5-10.8= 65.7

65.7 / 18 = 3.65

The track pictured consists of a rectangular area and two semi-circular areas. The area of a rectangular part of the track is 32,000 square yards. The length of the shorter side of track is 160 yards.
*One answer only*

a. 80
b. 160
c. 800
d. 900
e. 1,300
f. 37,024

Answers

The answer is c. 800
C 800 is the answer

!!WILL GIVE 100 POINTS!!

Four more than half of the students in Bryan’s homeroom have tickets to attend the school’s musical. 20 students from that class have tickets. Select all the equations that can be used to find the number of students, m, in Bryan’s homeroom.

A. 4 - 1/2m = 20
B. 1/2m + 4 = 20
C. 1/2m - 4 = 20
D. 4 = 20 - 1/2m
E. 20 + 1/2m = 4

Answers

Answer:B. 1/2m + 4 = 20

Step-by-step explanation: you match up using key words such as more than is plus , half is 1/2 .

Answer:m, in Bryan’s homeroom is:

B. 1/2m + 4 = 20

Step-by-step explanation:

The problem states that "four more than half of the students in Bryan’s homeroom have tickets to attend the school’s musical", and that "20 students from that class have tickets". Let m be the total number of students in Bryan's homeroom.

PLS HELP ASAP WILL MARK BRAINLIEST
Polygon ABCD is drawn with vertices A(−4, −4), B(−4, −6), C(−1, −6), D(−1, −4). Determine the image coordinates of B′ if the preimage is reflected across y = 3.

Answers

Answer:

The image coordinates of B' will be (-4, 12).

Step-by-step explanation:

The distance from y = -6 to y = 3 is 9, so we add 9 × 2, or 18 units to the original y-coordinate of B and keep the x-coordinate the same. So we have

B'(-4, 12).

Answer:

The image coordinates of B' will be (-4, 12).

Step-by-step explanation:

The length of a rectangle swimming pool is 3 1/4 yards. If the area is 9 3/4 square yards, what is the width of the swimming pool?
A- 3 yards
B- 31 11/16 yards
C- 6 1/2 yards
D- 2 3/4 yards

Answers

Answer:

Let's start by using the formula for the area of a rectangle:

area = length x width

We know that the length is 3 1/4 yards and the area is 9 3/4 square yards, so we can substitute those values in and solve for the width:

9 3/4 = (13/4) x width

To isolate the variable, we can multiply both sides by the reciprocal of 13/4, which is 4/13:

(9 3/4) x (4/13) = (13/4) x (4/13) x width

3 = width

Therefore, the width of the swimming pool is 3 yards, which is option A.

Option A, 3 Yards. How do I know? I took the test.

A football kicker attempted to make field goals from different distances from the goal post. The relationship between the distance from the goal post and the number of field goals made is shown in the scatter plot.


Which of the following tables of data represents the scatter plot based on the questions on the image below?

Answers

Answer:

it is the second set on numbers

11  9  10   9    7   5   3    2

15 20 25 30 35 40 45 50

Step-by-step explanation:

all of the numbers match up

Data was collected on the amount of time that a random sample of 8 students spent studying for a test and the grades they earned on the test. A scatter plot and line of fit were created for the data.



Determine the equation of the line of fit.

y = 5x + 60
y = 5x + 70
y = 10x + 60
y = 10x + 70

Answers

In slope-intercept form (y = mx + b), m represents the slope (rise/run) and b represents the y-intercept.

Let's look at the graph and pick two points, (2, 70) and (4, 80) and use slope formula, y2 - y1 / x2 - x1
80 - 70 / 4 - 2
10 / 2
5
The slope of this line is 5.

To find the y-intercept, we look where the line crosses through the y-axis or the vertical line.
The y-intercept is (0, 60) or 60

If we plug these numbers into slope-intercept form, we get y = 5x + 60

Your answer is y = 5x + 60

Question
Solve for x.

​4 (x − 20) = −20​

Enter your answer in the box.


x = ?

Answers

Answer:

the solution for x is 15.

Step-by-step explanation:

First, we can simplify the equation by dividing both sides by 4:

x - 20 = -5

Then we can solve for x by adding 20 to both sides of the equation:

x - 20 + 20 = -5 + 20

the answer is x=15

first you distribute since X -20 is in parentheses. Since there is no number in front of X, you place a understood one. So you would do 4×1, to get 4X. Then he would do four times -20, to get -80. Move that down along with “= -20.” so now, your problem should look like this.

4x-80=-20

what you do next is add 80 to the -20. when trying to get your x alone, you always do the opposite of the property it’s telling you to. if it tells you to do addition, you do subtraction, same goes with multiplication and division. So when you add 80 to the -20, you should get 60. Now, your problem should look something like this.

4x=60

So since four is directly next to the X that would usually mean multiply, but since you’re doing the opposite, you divide. And what you do to one side you always do to the other. So if you divide 4 by 4, you get zero, leaving X alone. Then what you do next is divide 60 by 4. Then you should get your answer of….

x = 15

A fair 6-sided die is rolled 550 times. What is a reasonable prediction for the number of times the event of landing on an even number will occur?

A: 92
B: 150
C: 275
D: 325

Thanks!

Answers

Answer:

b beach you know

Step-by-step explanation:

I took the test

Answer
(c)

Explanation
If it is rolled 550 times and there are six sides there are 3 even numbers if you have ever seen a die it there is a 123456 but there are 3 even numbers 2:4:6 so you would take half of 550 which would be (c) 275



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