2. Determine whether each of the following expressions is equivalent to 4a + 5(b-2)

i. 2(-5+2a) + 5b
ii. 9ab-10
iii. 4a +56 + 10

Answers

Answer 1
I know for sure it’s i. . I say this because if you simplify both equations you get the same thing. For ii. I’m not completely sure, I’m 50% sure though, for the same reason. I hope this helps!

Related Questions

1. Find the sum.
76,749
5 565
23
+
The sum is
(Simplify your answer. Type a whole number.)

Answers

Answer:

82,337

Step-by-step explanation:

   76,749

      5565

+         23
   82,337

Hope it helps!!!

;}

Linda built a games board in industrial arts class. The top was a rectangle of 60cm by 48cm. What was the largest size of identical felt squares she could use to cover the top exactly?

Answers

The largest size of identical felt squares that can be used to cover the top of rectangle is 5 squares of side 24cm.

The rectangle is a 2-dimensional figure with length and breadth which may or may not be same. A square is also a 2-dimensional figure with equal length of its sides.

When the dimensions of rectangle are given, it's are is given as the product of the sides of the rectangle which is given as:

Area of rectangle = Length × Breadth = 60 × 48 = 2880 cm square

The length of the square that entirely covers up the top side i.e., rectangular top can be determined by hit and trial mechanism starting from the lowest whole number in order to determine the length of largest squares of equal dimensions. Then comparing the area of the rectangular top and product of number of squares needed and area of each square, we can find the largest size of the square.

Area of square = length × length = l²

Since, Area of rectangular top = No. of squares × Area of 1 square

Therefore, 2880 = N (l²)

Putting N =1, 2, 3, 4, 5 and so on, we find that when N = 5, the value of square root of l is a perfect whole number.

Hence, 2880 = 5 × (l²)

l = √576 = 24

Thus, 5 squares of side 24cm will be used to cover the rectangular top entirely.

Learn more about Whole number at:

brainly.com/question/13242016

#SPJ1

The length of a rectangle is twice the width. The area of the rectangle is 58 square units. What is the length and width of the rectangle.

Answers

The length and width of the given rectangle is 10.77 and 5.385 respectively.

According to the question statement, The length of a rectangle is twice the width and the area of the rectangle is 58 square units.

We are supposed to find the length and width of the rectangle.

Before solving this we need to know that the area of the rectangle is the product of its length and width,

Let's assume the length be "l" and width be "w"

Therefore Area = l*w

Now as length is twice the width so [tex]l=2w[/tex]

Area = [tex]58 square units[/tex]

Therefore [tex]l*w=58\\[/tex]

but [tex]l=2w[/tex]

[tex]2w*w = 58\\2w^{2}=58\\w^{2} = \frac{58}{2} \\w^{2}= 29[/tex]

[tex]w=\sqrt{29} \\w=5.385[/tex]

as [tex]l=2w[/tex]

[tex]l=2*5.385\\l=10.77[/tex]

Hence length l = 10.77 unit and width w = 5.385 unit

Area:  Area is defined as the total space taken up by a 2D or a 3D surface or an object.

To learn more about surface areas, click on the link given below.

https://brainly.com/question/92701

#SPJ9

HURRY!! A church group set off from their church at 9:00AM for the beach. The group had to change a tire at 9:31AM. The group noted that the trip took them 63 minutes to finish. What time did the church group arrive at the beach?​

Answers

answer:

10:03 am

explanation:

9:00 am + 1 hour (60 min) + 3 min = 10:03 am.

Use f(x) = 12x and f -1(x) = 2x to solve the problems.

f(2) =

f−1(1) =

f−1(f(2)) =

Answers

Use f(x) = 12x and f -1(x) = 2x to solve the problems.

f(2) = 12(2) =24

f−1(1) = 2(1) =2

f−1(f(2)) = f-1(12(2)) =f-1(24) = 2(24) =48

Can I get some help please

Answers

Step-by-step explanation:

1

A: is a function since 2 different x values can have the same y value

B: not a function since the x value 0 gives different values which makes it not a function.

C: since 4 corresponds to 2 different y values it is not a function.

D and E are not function since there are different y values for the same x value.

2: all of the answers are determined by the vertical line test.

A NOT A FUNCTION

B NOT A FUNCTION

C A FUNCTION

D UNCLEAR

E NOT A FUNCTION

hope this helps and make sure to ask any qs if you doubt anything :)

Round 9.25327275426 to the nearest hundredth.

Answers

Answer: 9.25

Step-by-step explanation: Round each number to the nearest place. For example, 26 would round to 30. Round each number until you get a certain number right before the hundredth place.

Question
Find the equation of the line with slope
1/4
and y-intercept (0, -2).

Answers

Answer:

y=1/4 -2

Step-by-step explanation:

y =mx + c

m= slope

c= y-intercept

putting the valves of x and y ( 0,-2)

-2 = 1/4(0) + c

solve for C

C = -2

substituting back to the general equation of

y= 1/4x + C

y = 1/4x - 2( ans).

HELP PLS will mark brainliest

[tex](1-\frac{9x^2+4}{12x} )/(\frac{1}{3x}-\frac{1}{2} )+1[/tex]

Answers

Answer:

[tex] \frac{3x}{2} [/tex]

So my math teacher is very specific about showing work and explaining why the answer is what it is. I'm confused quite a bit about this question.

"Given that 1 yard = 36 inches, explain how you would find the number of cubic inches in a yard"

I would assume the answer would just be 36in^3?

Answers

Answer:

There are 46,656 cubic inches in a cubic yard.

Explanation:      

for an approximate result, multiply the volume value by 46660


1. Suppose a model of the fish is 10 cm and the length of a fish in real life is 140 cm. What is the scale
factor?

Answers

It is scale factor at 1/14.

What does scale factor mean?

The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor (bigger or smaller). For instance, by increasing each side by, say, 2, we can expand the size of a rectangle with sides of 2 cm and 4 cm.

The fundamental equation to determine a figure's scale factor is written as, Scale factor is equal to the difference between the dimensions of the new and old shapes.

based on the information provided,

Scale Factor = Fish Model Length / Fish Length in Real Line

scale factor =10/140

                   =1/14

to know more about scale factor visit;

https://brainly.com/question/28367894

#SPJ9

What is the value of y in the solution to the system of equations?
1/3x+ 1/4y=1
2x - 3y = -30
-8
-3
0 3
O 8

Answers

Answer:

y=8,x=-3

Step-by-step explanation:

1/3×+1/4y=1

lcm=12

multiply through by lcm to get equation 1

4x+3y=12

equation 2

2×-3y=-30

equation 2 by 2

using the substitution method

y=8

x=-3

In exercises 23 and 24, find the indicated angle measures. (See photo)

Answers

Step-by-step explanation:

Just do the calculations at last by using the value of x

√a² + b² = a + b

is this true or false? i think its true but i cant explain it right ​

Answers

Answer:

False

Step-by-step explanation:

Consider a=3 and b=4. The left hand side is 5 but the right hand side is 7.

How is adding and subtracting
decimals similar to and different from adding
and subtracting whole numbers?

Answers

Answer:

adding decimals is different then subtracting because adding would be bigger subtracting means smaller

median and mode of 4.3,4.5,4.2,5 ​

Answers

Check the picture below.

someone help me!!!
please...

Answers

Answer:students are the independent because he will get a number of cards depending on how many students there are so its

s independent and c dependent

Step-by-step explanation:

Answer:

s = independent

c = dependent

The number of cards depends on the number of students in his class.

Hope this helps :)

2|x|-9 translate 6 units up

Answers

The translation of the function 2 | x | - 9 when translated 6 units up gives the function as 2 | x | - 3.

We are given a function:

2 | x | - 9.

A function from a set X to a set Y assigns to each element of X exactly one element of Y.

We are asked to translate the function 6 units up.

This means that we have to add 6 units to the function.

A function has been “translated” when it has been moved in a way that does not change its shape or rotate it in any way.

So, we get that:

f(x) = 2 | x | - 9 + 6

f(x) = 2 | x | - 3

Therefore, the translation of the function 2 | x | - 9 when translated 6 units up gives the function as 2 | x | - 3.

Learn more about function here:

https://brainly.com/question/4025726

#SPJ9

900 students attend Ridgewood Junior High School. 4% of students bring their lunch to school everyday. How many students brought their lunch to school on Thursday?

Answers

The answer would be x= 36.
1. Write out the problem
4/100 ?/900

2. Start to multiply the numbers
4 x 900 = 3,600

3. Divide the number by 100
3,600 divided by 100 equals 36.

Your answer is 36. So 36 students brought their lunch to school on Thursday.

I hope this helps.

robert spends 30.45$, before tax, at the store.

Answers

The cost of Robert purchase of books after the paid tax is $32.66.

What is defined as the percentage increase?The percentage increase would be the difference between both the final and initial values expressed as a percentage. For other sayings, it is the difference here between final and initial values divided by the original value and multiplied by 100.

For the given question;

The original cost of the book purchased by the Robet = $30.45.

The tax of 7.25% is applied on the original cost of the book.

7.25% of $30.45 = (7.25×30.45)/100

7.25% of $30.45 = $2.21

The final cost of the book = original cost + tax

The final cost of the book = $30.45 + %2.21

The final cost of the book = 32.66

Therefore, the total price paid by the Robert for the book after 7.5% of the tax is applied is $36.66.

To know more about the percentage increase, here

https://brainly.com/question/1053881

#SPJ9

The complete question is-

Robert spends $30.45 before tax at the bookstore. If the sales tax rate in his city is 7.25%, what is the total cost of his purchase?

what is the domain and range of this function?
y=|5x|-8

Answers

Answer:

Domain:

$%error%$

Range:

$%error%$

Explanation:

Both

x

and

y

belong to all the real numbers since there is no restriction on either the domain or the range.

Step-by-step explanation:

53 + 28 help this is for my sister so she can "get" brainliets

Answers

Answer:

Alright, 53 + 28 = 81

Answer:

81

Step-by-step explanation:

2627 divided by 22 withR

Answers

Answer:

119 r 9

Step-by-step explanation:

Multiplying polynomials

(5p - 5)(7p + 6)

Answers

35p^2 -5p-30.
I used foil to find this so do 5p x 7p+ 5p x 6-5 x 7p-5 x6

A probability sampling method in which we randomly select one of the first k elements and then select every kth element thereafter is _____ sampling.

Answers

A probability sampling method in which we randomly select one of the first k elements and then select every kth element thereafter is systematic sampling.

What is systematic sampling?Systematic sampling is a statistical method used in survey methodology that involves selecting elements from an ordered sampling frame. An equiprobability method is the most common type of systematic sampling. The list is traversed in a circular fashion in this approach, with a return to the top once the end of the list is reached. Systematic sampling is a probability sampling method in which we randomly select one of the first k elements and then select every kth element after that. Using this method, each element in the population has a known and equal chance of being selected (also known as Epsem). As a result, systematic sampling is functionally equivalent to simple random sampling (SRS).

Therefore, a probability sampling method in which we randomly select one of the first k elements and then select every kth element thereafter is systematic sampling.

Know more about systematic sampling here:

https://brainly.com/question/21100042

#SPJ4

A geometric sequence has these properties.


What is the 7th term of this sequence?

Answers

f(7)=1/16 hope this helps!

Name the angle in as many different ways as possible.

Answers

Answer:

WXZ, ZXW, 1

Step-by-step explanation:

Help me please, no joke answers

Answers

Answer:

Starting from the left, the points plotted are:

-√9, -1.75, -3/2, -5/3, √4

the length of a retangle is 4 times its width. The rectangles width is 8 m. What is the are of the rectangle?

Answers

The rectangle's width is 8m and the length is 4 times the width, so the length = 4 x 8 = 32m

To calculate the area of a rectangle, we take the width and multiply it with the length

A = 32 x 8 = 256m2

A scientist uses a submarine to study ocean life.
She begins 174 feet below sea level.
After traveling down for 15 seconds, she's 252 feet below sea level.

Find the rate of change in the submarine's elevation in feet per second. Round your answer to the nearest tenth.

Answers

The rate of change in the submarine's elevation in feet per second is 5.2

According to the question ,

  She starts 174 feet below sea level

after 15 minutes she reaches 252 feet below sea level

distance travel in 15 minutes  = [tex]\frac{252 - 174}{15}[/tex]

                                                  = [tex]\frac{78}{15}[/tex]

                                                  = [tex]\frac{26}{5}[/tex]

                             Round off [tex]\frac{26}{5}[/tex]  =   5.2

There are certain rules to follow when rounding a decimal number. Put simply, if the last digit is less than 5, round the previous digit down. However, if it’s 5 or more than you should round the previous digit up. So, if the number you are about to round is followed by 5, 6, 7, 8, 9 round the number up. And if it is followed by 0, 1, 2, 3, 4 round the number down.

Here some Rounding Examples :

Consider the number 8.9163

8.9163 rounded to the nearest tenth is 8.9

Because 9 is followed by 1 and 1 is less than 5.

8.9163 rounded to the nearest hundredth is 8.92

Because 1 is followed by 6 and 6 is greater than 5.

8.9163 rounded to the nearest thousandth is 8.916

Because 6 is followed by 3 and 3 is less than 5.

Learn more about rounding off number here :brainly.in/question/22468985

SPJ9

Other Questions
How are the rules for the kitchen and playing outside the same? When interpreting nonverbal messages, which of the following IS something we can do to improve our interpretation? Group of answer choices: Add on to the nonverbal messages Use perception checking Consciously monitor your nonverbal messages Ignore the nonverbal messages solve 15 over x+2 equals 3 over 4 The length of a rectangle is 1 fr more than double the width, and the area of the rectangle is 45 ft^2. Find the dimensions of the rectangle. ______ decisions affect how the firm is run from day to day; they are the domain of operations managers, who are the closest to the customer. write an equation for the line in slope-intercept form What is the significance of rulers in the seljuk turkic empire adopting the muslim title of sultan during the eleventh and twelfth centuries? The calendar that is used for secular purposes in the industrial world today is the:______. The nurse is administering an enteral feeding to a child with a gastrostomy tube (g-tube). which action will the nurse take when administering a prescribed feeding through the client's g-tube? Globalization has a tremendous impact on cultures worldwide, whether they are large or small. identify the effects of globalization. In a criminal or public case, if you have enough information to support a search warrant, the prosecuting attorney might direct you to submit a(n) ____. What differences would rutherford have observed if he used aluminum foil instead of gold foil?. A child is 3 feet 5 inches tall. How tall is the child in meters? Convert feet to inches, add total inches and convert to meters. Exercise 2 Write c next to each compound sentence.The Statue of Liberty was created by the French sculptor, Frederic Auguste Bartholdi. Why should traps be placed away from well-traveled paths or residential areas hunter ed? Why does shirley jackson criticize town traditions in the story The lottery Referral services that employees can use to seek professional treatment for problems, including drug dependence, alcoholism, or psychological issues, are known as ______. The metallic radius of a sodium atom is 186 pm. What is the volume of a sodium atom in cubic meters? Assume the atom is a perfect sphere. The volume of a sphere is calculated from (4/3)r3 Characteristics of a functional financial market include being of sufficient size, liquidity, and _____. (Select all that apply.) In the context of identifying and clarifying information needs for research, identify the essential components that should be included in a problem definition process. (check all that apply.)