Mathematics High School

Select the correct texts in the passage (see picture)​

Select The Correct Texts In The Passage (see Picture)

Answers

Answer 1

Answer:

Step 2 was the first mistake and the second option is the answer.

Step-by-step explanation:

Answer 2

Julia incorrectly factored the -1 from the second group of terms.

The correct option is (B)

What is expression?

An expression is a sentence with a minimum of two numbers or variables and at least one math operation.

Given:

2x^4 + 2x³ -x²-x

While solving the above expression in the third step

x(2x²(x+1)) - 1(x-1)

should be

x(2x²(x+1)) - 1(x + 1)

Hence, Julia incorrectly factored the -1 from the second group of terms.

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Related Questions

Write down in terms of n an expression for the nth term of the following sequence 12,10,8,6,4

Answers

Answer:

n-2

Step-by-step explanation:

there is an obvious pattern. Such sequences can be expressed in terms of the nth term of the sequence. In this case, the nth term = 2n. To find the 1st term, put n = 1 into the formula, to find the 4th term, replace the n's by 4's: 4th term = 2 × 4 = 8. The common difference is -2, so the formula for the nth term is 12-2(n-1).

This can be written 12-2n+2=14-2n, so that when n=1, the 1st term is 14-2=12.

The 5th term is 14-10=4; the 6th is 14-12=2. And so on. This is the formula The expression for the total number of tiles in the nth term is the sum of the areas of the rectangles, n2 + n(n – 1) + 2, which can be simpli- fied to 2n2 – n + 2. quadratic sequences with visual models these are just examples: The nth odd number is given by the formula 2*n-1.
In linear sequences only, the 'nth-term rule' gives the value of any term in that sequence at position 'n'. It is written as 'xn ± y' where x = the constant difference between term values and y is a particular number. The rule allows you to work out the terms of a sequence. An arithmetic progression is a sequence where each term is a certain number larger than the previous term. The terms in the sequence are said to increase by a common difference, d. For example: 3, 5, 7, 9, 11, is an arithmetic progression where d = 2. The nth term of this sequence is 2n + 1.

Find the value of x using segment addition below.

Answers

The answer is x=5

You get this answer by combining

2x-3+2=x+4

The scale of a map says that 2 cm represents 10 km. What is the actual number of kilometers that is represented by 6 centimeters on the map?

Answers

Answer:

6 times 10 to the minus 5

6 cm on the map represents 30 kilometers in reality, with a scale of 2 cm representing 10 km.

In the given map, the scale is 2 cm represents 10 km.

Each centimeter on the map represents 5 km (10 km divided by 2 cm).

We can use the scale of the map, which states that 2 cm represents 10 km, to determine the precise number of kilometers that 6 centimeters on the map represent.

If 2 cm represents 10 km, then 1 cm represents 10 km / 2 cm = 5 km.

6 centimeters on the map represent 6 cm × 5 km/cm = 30 kilometers in reality.

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Please help me with these questions!


xoxo, tae's simp :))

Answers

Answer:

104.5 is the volume

Step-by-step explanation:

you do length x width x height but but sense theres no length you do

(1.5+9.5) x (9.5)

*simplify*

11 x 9.5 = 104.5

Answer:

ima tae simp to :)

Step-by-step explanation:

Find the midpoint of the line segment joining the points R(-3,3) and S(1,6).
The midpoint is

Answers

Answer:

[tex]Midpoint = ( -1 , 4.5)[/tex]

Step-by-step explanation:

[tex]\frac{-3 + 1}{2}[/tex]  [tex],[/tex] [tex]\frac{3+6}{2}[/tex]

[tex]\frac{-2}{ 2}[/tex] [tex],[/tex]  [tex]\frac{9}{2}[/tex]

[tex]Midpoint = (-1, 4.5)[/tex]

Hope this helps

plz mark brainliest

The midpoint of the points R(-3,3) and S(1,6) is (-1,4.5).

What is a midpoint?

A location that is halfway between two other points is considered to be a line segment's midway. The distance between the midway and each endpoint is the same.

The midpoint is calculated by using the formula:- ( x₁ + x₂ ) / 2 , ( y₁ + y₂ ) / 2.

Given points are R(-3,3) and S(1,6). The midpoint of the given points are calculated as below:-

M = (-3+1 ) / 2 , ( 3 + 9 ) / 2

M = ( -1,4.5)

Therefore, the midpoint of the points R(-3,3) and S(1,6) is (-1,4.5).

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Solve using elimination.
2x + y = 5
x - 3y = 6

Answers

Answer:

then substitute y in eq 1 to get x

hope this helped you

Please mark as the brainliest (ㆁωㆁ)

15 points + brainliest hurry plz its an image

Answers

The answer would lead to C

Solve |t| - 2= -1
A. -1, 3
B. -1, 1
C. -3, 3
D. -3, 1

Answers

Answer:

B

hope this helps :D

 

Solve for X, and show the equation you would use to solve.

Answers

Answer:

x = 20

Step-by-step explanation:

There are both consecutive interior angles and are supplementary.

The equation should be written like this:

5x + 50 + x + 10 = 180

Step 1: Simplify both sides of the equation.

5x + 50 + x + 10 = 180

(5x+x) + (50+10) = 180 (Combine Like Terms)

6x + 60 = 180

6x + 60 = 180

Step 2: Subtract 60 from both sides.

6x + 60 − 60 = 180 − 60

6x = 120

Step 3: Divide both sides by 6.

[tex]\frac{6x}{6} = \frac{120}{6}[/tex]

x = 20

Hope it helps!!

A rational function in the form axm+.../bxn+... has a slant (oblique) asymptote when ________.

PLEASE HELP

Answers

Answer:

occurs when the polynomial in the numerator is a higher degree than the polynomial in the denominator

Step-by-step explanation:

which model represents the equation shown below
-4x+(-2)=3x+(-5)

Answers

Answer:

The answer on edge is C

Step-by-step explanation:

Hope I helped

Simplify the algebraic expression. 4(x - 3) + 2(x + 5)​

Answers

Answer:

6x+2

Step-by-step explanation:

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

4x-12+2x+10| Distrubutitive Property

6x-2 | Combine like terms

Please answer correctly !!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!

Answers

Answer:

4

Step-by-step explanation:

9x - 5 = 7x + 3

2x = 8

x = 4

Select all the equations that have the same solution as the equation 4x - 12 = 36
A 4x = 48
B 2x - 6 = 18
С
4x = 24
D
X-4 = 24
E 8x - 24 = 72

Answers

Hi :)

A) 4x = 48: x= 12
B) 2x -6 = 18 x=12


4x - 12 = 36

Add 12 to both sides
4x=36+12

Add 36 and 12 to get 48
4x=48

Divide both sides by 4
x= 4/48
​

Divide 48 by 4 to get 12
x=12

Hope this helps :)

f-1(x) = (3х – 5)2 + 12

Answers

Answer:

i think its 3 if im not mistaken

Step-by-step explanation:

GameStop sold 120 copies of Call of Duty. This was 30% of their supply. How
many copies of Call of Duty did they have before the store opened? *

Answers

Answer:

415 Call of Duty

Step-by-step explanation:

120*3=360 which is 90%

120/2=60

360+60=420

420=105%

The store had 400 copies of the game in stock before it opened.

If 30% = 0.3, then you multiply 120 by 0.3 and you get 400.

I checked the answer by multiplying 400 by 0.3 and you’ll be back to 120.

7x_____=1 Help pls lol

Answers

Answer:

1

Step-by-step explanation:

Answer:

I dont think there an answer to that question can you tell us the options

0.55 minute to 0.1 minute

Answers

Answer:

81.8182% decrease

Step-by-step explanation:

(V2−V1)|V1|×100

=(0.1−0.55)|0.55|×100

=−0.450.55×100

=−0.818182×100

=−81.8182%change

=81.8182%decrease

63.2g of sugar is needed to make 8 cakes how much sugar is needed for 12

Answers

Answer: 94.8

Step-by-step explanation:

To find this, you need half of 63.2 which is 31.6. Then add that to 63.2 and bam, your answer.

Answer:

94.8g of sugar

Step-by-step explanation:

Set up a ratio- [tex]\frac{63.2}{8} =\frac{?}{12}[/tex]

cross multiple- [tex]12*63.2=8*?[/tex]

solve- [tex]758.4 = 8*?[/tex]

divide by 8- [tex]758.4/8 = 94.8[/tex]

340 equals 72 more than y
Write the sentence as an equation.

Answers

Answer:

y+72=340

Step-by-step explanation:

Find the measure of the exterior angle.

Answers

Answer:

108°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

2a is an exterior angle, thus

2a = a + 10 + 44 = a + 54 ( subtract a from both sides )

a = 54

Thus 2a = 2 × 54 = 108° ← exterior angle

g = a-c+b, solve for a​

Answers

Answer:

g=a-c+b

g+c-b=a

I hope help you

what does x equal to?

Answers

Answer:

27.3

Step-by-step explanation:

x = (36.4 x (49 - 28))/21 = 27.3

hewlp me now and uh plkz plz plz

Answers

Answer:

r=22

Step-by-step explanation:

Answer:

r = 22

Step-by-step explanation:

Given

[tex]\frac{1}{2}[/tex] r + 4 = [tex]\frac{3}{4}[/tex] r - [tex]\frac{3}{2}[/tex]

Multiply through by 4 to clear the fractions

2r + 16 = 3r - 6 ( subtract 2r from both sides )

16 = r - 6 ( add 6 to both sides )

22 = r

Solve the equation x/3– 9 = 11

Answers

Answer:

x=60

Step-by-step explanation:

(60/3)-9=11

20-9=11

I NEED HELP ASAP PLEASE!!!!

Answers

I believe the answer is 530

umm i think the answer is 530

HELP! DUE TODAY! WILL GIVE BRAINLIEST!!

Question:

Select from the drop-down menus to correctly complete each statement

17.2 is 17.2 units to the ( drop-down 1 ) of zero on a number line. The opposite of 17.2 is 17.2 units to the ( drop-down 2 ) of zero on a number line.

Answers

Answer:

#1 would be Right and #2 would be left

Step-by-step explanation:

Pls Mark Brainliest

-4x-y+4 when x=-1 4 and y=3

Answers

Answer:

57

Step-by-step explanation:

-4x - y + 4

-4(-14) - 3 + 4

56 - 3 + 4

53 + 4

57

Answer:

2

Step-by-step explanation:

The values of x and y are given. So, plug in the given values into the equation.

-4x-y+4

-4(-1/4)-(3)+4=?

1-3+4=?

=2

(I assumed that you wrote -1/4, by the way)

Which value of x makes the equation -5x-(-7-4x) =-2(3x-4 true?

Answers

Answer:

x = 1/5

Step-by-step explanation:

Step 1: Write equation

-5x - (-7 - 4x) = -2(3x - 4)

Step 2: Solve for x

Distribute: -5x + 7 + 4x = -6x + 8Combine like terms: -x + 7 = -6x + 8Add 6x to both sides: 5x + 7 = 8Subtract 7 on both sides: 5x = 1Divide by 5 on both sides: x = 1/5

Step 3: Check

Plug in x to verify it's a solution.

-5(1/5) - (-7 - 4(1/5)) = -2(3(1/5) - 4)

-1 - (-7 - 4/5) = -2(3/5 - 4)

-1 - (-39/5) = -2(-17/5)

-1 + 39/5 = 34/5

34/5 = 34/5

When you’re diving fractions what does the “change” In “keep, change, flip” tell you to do?

Answers

Answer:

change

Step-by-step explanation:

it means to change the dividing symbol from dividing to multiplying

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