Mathematics College

1. (a+2)²
2. (a-5)²
3. 3(a+b)
4. (a+2)(a-2)
5. (ab)⁴
6.- 3a(2a + 2b)
7. (2a-3)(a +2)
8. (8a+10b)(8a-10b)
9. (2a-3)³
10.-9a(3a+4b)​

Answers

Answer 1

Answer:

a² + 4a + 4

Step-by-step explanation:

(a + 2) ² = (a + 2) ( a + 2)

= a ( a + 2) + 2 ( a + 2)

= a² + 2a + 2a + 4

= a² + 4a + 4

1. (a+2)2. (a-5)3. 3(a+b)4. (a+2)(a-2)5. (ab)6.- 3a(2a + 2b)7. (2a-3)(a +2)8. (8a+10b)(8a-10b)9. (2a-3)10.-9a(3a+4b)
1. (a+2)2. (a-5)3. 3(a+b)4. (a+2)(a-2)5. (ab)6.- 3a(2a + 2b)7. (2a-3)(a +2)8. (8a+10b)(8a-10b)9. (2a-3)10.-9a(3a+4b)
Answer 2

huh? sorry idont know the answer

Related Questions

Please help my grades come out soon

Answers

The answer to the last problem, would mean that the right answer would be B. 0 ≤ m ≤ 500

Please help me
What type of association does the graph show between x and y?

Answers

Answer:

Linear positive association

a ratio table! need help asap!!! Time (secs): | 4 | 8 | 12 | 16 | 20 | Distance (miles): - the bottom row is empty and i need help to fill it - #b

Answers

There is missing information required in order to find the solution. I need the satellite speed

I really don’t understand slope graphs

Look at this graph, what is the slope?

Answers

Slope= 1/2x
Y-intercept= 3

Hope this helps

Please help!
Factor. 6x2−11x−10

Answers

The answer is 2-11x!!!!!!

Answer:

122

Step-by-step explanation:

1-Use the sum-product pattern

6x²-11x-10

6x²+4x-15x-10

2-Common factor from the two pairs

6x²+4x-15x-10

2x (3x + 2) - 5 (3x + 2)

3-Rewrite in factored form

2x (3x + 2) - 5 (3x + 2)

(2x-5)(3x+2)

Solution:

(2x-5)(3x+2)

In AJKL, the measure of ZL=90°, JK = 7.3 feet, and KL = 4.7 feet. Find the measure
of ZJ to the nearest tenth of a degree.

Answers

Answer:

40.1°

Step-by-step explanation:

JK is the hypotenuse of the right triangle.

For angle J, KL is the opposite leg.

sin A = opp/hyp

sin J = 4.7/7.3

J = sin^-1 4.7/7.3

J = 40.1

Answer: 40.1°

write an expression for the number of floors the building can have for a given Building height. So what the variable in your expression represents?​

Answers

Let the height of each block be x, and no. Of blocks be y
Then,
yx=h

Use the Distributive Property to simplify the expression.

$\frac{1}{4}\left(8+x+4\right)=$

Answers

The expression isn’t clear I really wanna help you

Solve:

Three less than the product of eight thirds and nine.

Pls HELP ME

Answers

Answer:

21

Step-by-step explanation:

Product of eight thirds and nine:

8/3×9 = 24

Three less than the product of eight thirds and nine:

24 - 3 = 21

Show your work to get full credit. Solve the following problem with any method you want.

1.5 x 32

Answers

Answer:

48

Step-by-step explanation:

 1.5

x 32

1.5
X 32
———
30
+ 450
———
48.0

One equation in a system is y = 1/2x - 2

a. Write a second equation so that the system has one solution.

b. Write a second equation so that the system has no solution.

c. Write a second equation so that the system has indefinitely many solutions.

Answers

A) y=-2x-5
B) y= 1/2x+4
C) y= 1x-4

A garden box has a perimeter of 16 feet. If the length is 6 feet, what is the area of the garden box?

Answers

Answer:

44 ft

Step-by-step explanation:

Formula: L + L + W + W = P

16ft + 16ft + 6ft + 6ft = 44

15/23 - 5/23
lets see who can solve​

Answers

Answer:

10/23

Step-by-step explanation:

15/23 - 5/23 = 10/23(Ans)

Answer:

10/23

Step-by-step explanation:

(15/23-5/23) L. C. M = 23

15-5=10

=10/23

The number of children x, belonging to each of eight families registering for swimming was 3,2,6,3,4,2,5,6. Find the mean, x. (Give answer correct to 2 decimal places.)

Answers

The answer is is 3,9

The mean number of children per family is 3.88.To find the mean (average) of the number of children in the eight families, we sum up the number of children and divide by the total number of families.

Given the number of children in each family:

3, 2, 6, 3, 4, 2, 5, 6

Step 1: Sum up the number of children:

3 + 2 + 6 + 3 + 4 + 2 + 5 + 6 = 31

Step 2: Divide by the total number of families (which is 8 in this case):

31 / 8 = 3.875

Rounding the mean to two decimal places, we have:

Mean = 3.88

Therefore, the mean number of children per family is 3.88.

To know more about mean :

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Video Store A charges $8 to rent a video game for one week. Although only members can rent from the store, membership is free. Video Store B charges only $4 to rent a video game for one week. Only members can rent from the store and membership is $84 per year. After how many video game rentals will the total amount spent at each store be the same?
a) Write an equation to model the problem. Let x represent the number of video game rentals.
b) Solve the equation to find to answer the question. (Note: Include the units , which in this case is "rentals"; for example, if you find of a solution of 29, write: 29 rentals.)
​

Answers

Answer:

21 rentals

Step-by-step explanation:

Video Store A = 8x

Video Store B = 84 + 4x

x = number of video game rentals.

After how many video game rentals will the total amount spent at each store be the same?

Video Store A = Video Store B

8x = 84 + 4x

8x - 4x = 84

4x = 84

x = 84/4

x = 21 rentals

In a lab experiment, 5400 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 4 hours. How many bacteria would there be after 17 hours, to the nearest whole number?

Answers

It will become 45900 bacteria in 17 hours
Step-by-step explanation:
In 4 hours 5400 bacteria becomes 5400*2 = 10800
Therefore in 17 hours, it will become
17*10800/4
= 183600/4
= 45900

Answer:

1.62

Step-by-step explanation:

hope it helps god bless

Helppp (7th grade)

_inches

Answers

Answer:

h = 8 inches

Step-by-step explanation:

Since these shapes are similar and one side of the bigger shape is double the other side (44 is the double of 22), to find side h, you have to multiply 4 by 2 (It's the same relationship between the two sides of similar shapes). 4 times 2 is equal to 8, which is your answer.

Classify the numbers. Some numbers may belong in more
than one box.

Answers

Answer:

there's no attachment? can you re list

Which of the following graphs shows a pair of lines that represents the equations with the solution (4, −1)? (1 point)
pictures down below

Answers

Answer: i think the last one is the correct answer

hope this was correct

Step-by-step explanation:

Simplify (3x − 5) + (3x + 6)

Answers

Answer:

6x+1

Step-by-step explanation:

3x+3x=6x

-5+6=1

Answer:

6x+1

Step-by-step explanation:

First remove the parentheses

the combine like terms!

6x+1

Hoped it help!

2(x + 4) + 5( 6 - x)​

Answers

Answer:

3x+32

Step-by-step explanation:

2(x+4) +5(6-x)

Use the distributive property

2x+8+24-5x

Simplify

3x+32

What are the 3 equivalent fraction 75/100

Answers

Answer:

3/4

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator. GCD of 75 and 100 is 25.

75 ÷ 25100 ÷ 25.

Reduced fraction: 34. Therefore, 75/100 simplified to lowest terms is 3/4.

Answer:

three equivalent fractions to 75/100 are 3/4 , 6/8 , & 12/16


Joanna is selling tickets for the school play $he ha$ already $old $35
worth of tickets. $he ha$ seven ticket$ left to sell for $5 per ticket. write
function to describe the total amount of money collected if she sells every single ticket

Answers

Answer:

okay, so given we have that she has already sold $35 worth of tickets. We know that she has seven tickets left to sell, and each is worth $5. So, we would do 7×$5=$35

Next, we would add $35(from the previous money she has made) and $35 (the money she just made from the 7 tickets) and that would equal $70

equation: y=35+7(5)

Step-by-step explanation:

I hope this helps! ^^

☁️☁️☁️☁️☁️☁️☁️☁️☁️

1
Rectangle RSTU is reflected across the y-axis to form rectangle R'ST'U'.
Y
.
R
S
7
3
2
2
1
-1
-2
U
T
-
Which statement is NOT true?
A
The corresponding angles of rectangle RSTU and rectangle R'ST'U' are
congruent.
B
The perimeter of rectangle RSTU is greater than the perimeter of rectangle
R'S'T'U'.
с
The corresponding sides of rectangle RSTU and rectangle R'S'T'U' are
congruent.
D
Rectangle RSTU is similar to rectangle R’ST'U'.

Answers

Answer:

c

Step-by-step explanation:

In the figure below, angles PQS and
TQR are congruent. Angle SQT is 15° larger
than angle PQS.
What is the measure of angle SQT?

Answers

Answe70

Step-by-step explanation:

The measure of the angle SQT will be 70°. The correct option is B.

What is geometry?

One of the first areas of mathematics is geometry, along with arithmetic. It is concerned with spatial characteristics like the separation, shape, size, and relative placement of objects.

Given that In the figure below, angles PQS and TQR are congruent. Angle SQT is 15° larger than angle PQS.

The measure of the angle SQT is,

2∠PQS + ∠SQT = 180

2∠PQS + ∠PQS + 15 = 180

3∠PQS = 165

∠PQS = 55°

The measure of the angle ∠SQT is,

∠SQT = 55 + 15

∠SQT = 70

To know more about geometry follow

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18 more than the product of k and 5 Evaluate the expression for the value of the variable, k : 7 Please type your answer in the box below. NUMBERS ONLY!

Answers

Answer:

The Answer Is 125.

Step-by-step explanation:

As, 18 More Than K Means

18 More Than 7

So, It's 25

Then Evaluate 25 With 5

It's 25(5)

Or 25 × 5

It's 125.

If a=6 and b=24 what is (a+b)^2

Answers

Answer:

900

Step-by-step explanation:

6+24=30

30^2=900

Answer:

900

Step-by-step explanation:

(a+b)^2

(6+24)^2

30^2= 900

15x120 helppp what is this and how do u get the answer

Answers

Answer:

if this is regular multiplication the answer is 1,800

Step-by-step explanation:

x -1 < -4

What is ittttttttt

Answers

Answer:

x<-3

Step-by-step explanation:

x-1+1<-4+1

x<-3

Which set of angle measures could be measures of the interior angle of a triangle?

Answers

Answer:

b

Step-by-step explanation:

23-105-45

Answer:  60°, 60°, and 60° is the set of interior angles of triangle.

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