HURRY BEING TIMED
Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. His sister states that the expression should be x + x + 0.5x + y + y – 2. Who is correct? Explain.

Answers

Answer 1

Answer:

both are correct

Step-by-step explanation:

both are correct because they're the same equation...Gabriels equation is just simplified. If you simplified his sisters equation, it would be equal to Gabriels equation

Answer 2
Both are correct !!!

Related Questions

Two forces of 19.8 pounds and 36.5 pounds act on a body with an angle of 61.4 degrees between them.

Choose the correct approximation for the magnitude of the resultant vector.

Answers

ANSWER:49.2

Based on your question Two forces of 19.8 pounds and 36.5 pounds act on a body with an angle of 61.4 degrees between them.

After setting up the vectors on the plane and doing the required math

The answer is 49.2 pounds

C. 49.2

correct on edge assignment

Let StartFraction cosine (2 x) Over cosine (x) + sine (x) EndFraction = 0 where 0° ≤ x ≤ 180°. What are the possible values for x?

a- 45 only
b- 135 only
c- 45 or 225
d- 135 or 315

*NEED HELP ASAP

Answers

Answer:

The correct option is;

a- 45° only

Step-by-step explanation:

The given equation can be presented as follows;

[tex]\dfrac{cos (2 \cdot x)}{cosine (x) + sin (x)} = 0[/tex]

We have that cos(2·x) = cos²(x) - sin²(x)

Also, we have, by the difference of two squares, the following relation;

cos²(x) - sin²(x) = (cos(x) - sin(x))(cos(x) + sin(x))

Therefore, the given equation can be written as follows;

[tex]\dfrac{cos (2 \cdot x)}{cosine (x) + sin (x)} = \dfrac{(cos(x) - sin(x)) \times (cos(x) + sin(x))}{(cos (x) + sin (x))} =0[/tex]

Crossing the common term, (cos(x) + sin(x)), in the numerator and the denominator, we have;

[tex]\dfrac{(cos(x) - sin(x)) \times (cos(x) + sin(x))}{(cos (x) + sin (x))} = cos(x) - sin(x) = 0[/tex]

From cos(x) - sin(x) = 0, we have;

Adding sin(x) to both sides of the equation

cos(x) - sin(x) + sin(x) = 0 + sin(x)

cos(x) = sin(x)

Therefore, the opposite leg and the adjacent leg of the right triangle formed with reference to the angle x are equal

∴ x = 90/2 = 45° only for 0° ≤ x ≤ 180°

Answer:

A. 45 only

Step-by-step explanation:

EDGE 2020

It also detects if you are right or wrong

Answers

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According to the table ;

[tex]f(0) = 6[/tex]

Let's check that in which of the equations it happens.

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A )

[tex]y = f(x) = 6x + 4[/tex]

[tex]f(0) = 6(0) + 4[/tex]

[tex]f(0) = 0 + 4[/tex]

[tex]f(0) = 4[/tex]

Wrong

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B )

[tex]y = f(x) = 4x + 6[/tex]

[tex]f(0) = 4(0) + 6[/tex]

[tex]f(0) = 0 + 6[/tex]

[tex]f(0) = 6[/tex]

Correct.

Thus this option is the correct answer.

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C )

[tex]y = f(x) = 2x + 4[/tex]

[tex]f(0) = 2(0) + 4[/tex]

[tex]f(0) = 0 + 4[/tex]

[tex]f(0) = 4[/tex]

Wrong

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Two brothers bought together 10 books. One brother bought four books. How
many books did the other brother buy? Create an equation and solve.

Answers

Answer:

The other brother bought 6

Step-by-step explanation:

10 books in total

4 books bought by one brother

10 - 4 = 6

Answer:

2b+4b=10b  the other brother bought 6 books.

Since we already know how many the other brother bought, we don't need to find that information.

Step-by-step explanation:

2b+4b=10b

combine like terms and subtract.

6b=10b

=4b

(hope this is correct.)

kay is making a drink that needs 3 gallons of of juice , how many cups can she make of juice?

Answers

48 cups!! hope this helps!!

Choose the correct Triangle Congruence Theorem

Answers

Answer:

ASA

Step-by-step explanation:

Answer:

AAS

Step-by-step explanation:

The triangles have two congruent angles and one congruent side. This means they are congruent through the AAS theorem. The reason it is not the ASA theorem is that the side is not included, which means it is not in-between the congruent angles.

2x+7=3x+4
step by step

Answers

Answer:

3=x or x=3

Step-by-step explanation:

2x+7=3x+4

-2x+2x7=-2x+3x+4

7=x+4

7-4=x+4-4

3=x or x=3

first step is to subtract 3x on both sides of the equation since they both have an x attached to them.

we are left with -x + 7 = 4

then we will subtract 7 from both sides of the equation where we are left with

-x = -3

finally we divide -x on both sides which leaves us with x = 3 as our final answer

4x+5+4x+5+4x+5+4x+5+4x+5 solve for x

Answers

Answer:

3

Step-by-step explanation:

Calculate the slope between the points: (4, 5) and (7, 9)

Answers

Answer:

m=4/3

Step-by-step explanation:

the slope is equal to 4/3

The slope between the points: (4, 5) and (7, 9) is 4/3.

What is slope?

A line's slope is determined by how its y coordinate changes in relation to how its x coordinate changes. y and x are the net changes in the y and x coordinates, respectively. Therefore, it is possible to write the change in y coordinate with respect to the change in x coordinate as,

m = Δy/Δx where, m is the slope

Given:

Points (4, 5) and (7, 9)

so, the slope is

slope = (9-5)/ (7-4)

slope = 4 /3

slope = 1.333

Hence, the slope is 4/3.

Learn more about slope here:

https://brainly.com/question/3605446

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What is - ( 2)^3?


Help please

Answers

Answer is -8

-2x2x2:-8

Sam bought an $85.00 for 40% of the regular price.How much did he pay for the jacket?

Answers

Answer:

he payed 34$ for the jacket

Step-by-step explanation:

Cynthia’s mom gave her $20.00 to spend at her friend’s birthday party on Friday night. Write an inequality that represents the number of games, g, Cynthia can bowl to remain within her budget.

Answers

Answer:

will or will not

Step-by-step explanation:

The inequality that represents the number of games [g] Cynthia can bowl to remain within her budget is -

gx ≤ 20

What is the general equation of a Straight line inequality? What is inequality? What are strict and slack inequalities.

The general equation of a straight line is -

[y] > [m]x + [c]

[y] < [m]x + [c]

[y] ≥ [m]x + [c]

[y] ≤ [m]x + [c]

where -

[m] → is slope of line which tells the unit rate of change of [y] with respect to [x].

[c] → is the y - intercept i.e. the point where the graph cuts the [y] axis.

Strict inequalities are those inequalities which use either > or < to compare expressions. Example : 2x + 4 > 5

Slack inequalities are those inequalities which use either or to compare expressions. Example : 2x + 4 ≥ 5

We have Cynthia’s mom who gave her $20.00 to spend at her friend’s birthday party on Friday night.

Assume that a single game costs $x. Then, the inequality that represents the number of games [g] Cynthia can bowl to remain within her budget is-

gx ≤ 20

Therefore, the inequality that represents the number of games [g] Cynthia can bowl to remain within her budget is -

gx ≤ 20

To solve more questions on inequalities, visit the link below-

https://brainly.com/question/14875221

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(Proportional Relationships)

At a certain elementary school there are 26 students per
classroom. If y represents the total number of students at
the school and x represents the number of classrooms,
which equation is the best representation?

Select one:

y = 26/x

y = 26x

x = 26y

y = 1/26 x

Answers

Answer: y =26x

Step-by-step explanation:

I beg anybody please

Answers

Answer:

if no one answers pic b cuz i got good luck

Step-by-step explanation:

What is the value of x in the equation One-third x minus two-thirds = negative 18? –56 –52 52 56 Need answer ASAP!!!! Being Timed

Answers

Answer:

Step-by-step explanation:

fhv

Roll a number cube. If the number cube comes up odd, you win the same number of points as the
number on the cube. If the number comes up even, you lose 4 points.
What is the expected number of points per roll?
-0.25
-0.5
0
Oo oo
0.25
0.5

Answers

Answer:

-0.5

Step-by-step explanation:

Which statements are true about the enlargement of triangle ABC to triangle A’B’C’? Check all that apply.

BC < B’C’
A’B’ < AB
B < B’
=
The scale factor for this dilation is less than 1.
C ≅ C’

Answers

Answer:

A, D, F

Step-by-step explanation:

Answer:

A

D

F

Step-by-step explanation:

I got it right on my assignment

what is the value of this?

Answers

Answer:

4

Step-by-step explanation:

I used desmos

[tex]\textsf{Hey there!}[/tex]

[tex]\mathsf{\dfrac{-2(7-15)}{4}}\\\\\mathsf{7-15=-8}\\\\\mathsf{\dfrac{-2(-8)}{4}}\\\\\mathsf{-2(-8)=16}\\\\\mathsf{\dfrac{16}{4} = 4}\\\\\\\boxed{\boxed{\mathsf{Thus,\ your\ answer\ is: \boxed{\boxed{\mathsf{\bf{D.\ 4}}}}}}}\checkmark[/tex]

[tex]\textsf{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{LoveYourselfFirst:)}[/tex]

Based on the diagram, which expresses all possible lengths of segment AB?

AB = 25
27 81

Answers

Answer:B

Step-by-step explanation:

27 < AB < 81 expresses all possible lengths of segment AB

What is Inequality?

A relationship between two expressions or values that are not equal to each other is called 'inequality.

The sum of the lengths of any two sides of a triangle is greater than the length of the third side (Triangle Inequality Theorem)

So AC+BC>AB

27+54>AB

81>AB

AB<81

27+AB>54

AB>54-27

AB>27

54+AB>27

AB>-27

Hence, 27 < AB < 81 expresses all possible lengths of segment AB

To learn more on Inequalities click:

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Based on the diagram, which expresses all possible lengths of segment AB?

AB = 25

27 < AB < 81

AB = 85

AB< 27 or AB > 81

what is 1395^2 plz help

Answers

1,946,025 would be the answer
all you do is multiply 1395x1395

It takes 6 cubes to build a staircase with 3 steps. How many cubes will be needed for 11 steps?

Pls show work

Answers

Answer:

5 more cubes

Step-by-step explanation:

you just keep on adding the cubes. So i am in honors math and the easiest way to do math like this just use paper so start with the number of cubes and the just keep on adding till you get to the number you need in this case that number is 11.

Combine like terms

7a^2+ 10a - За - 2а2^2

Answers

Answer:

5a^2+7a

Step-by-step explanation:

You combine things based off the variable and exponent. So if  they have the same variable and exponent, you put them together. 7-2=5 and 10-3=7 so your answer is 5a^2+7a

The answer to your question is 5a^2+7a

guys if I don't finish this imma get beat please help

Answers

Answer:

The answer is b.) hope this helps!!

Step-by-step explanation:

if you only look at H and H', you can see H' is being translated(slid) down the Y axis and since it is sliding down, it is -4, giving you (x, y-4)

Which is the sum of -4 and its additive inverse?

Answers

Answer:

-4 +4 =0

Step-by-step explanation:

The sum of a number and its' additive inverse is 0

The additive inverse of -4 is 4

-4 +4 =0

what is true about the slopes of perpendicular lines

Answers

Slopes of parallel lines are equal.

what is the distance between the points with coordinates (-5,5) and (5,-5)? express your answer in simplest radical form

Answers

Answer:

10 spaces in each direction

Step-by-step explanation:

                     5

                      !

-5--------------------!-------------------5

                      !

                      !

                      5

Shelila had $4.75 to buy pencils for an art class and each pencil costs 89c. How much pencils will she have?

Answers

Answer:

5 pencils

Step-by-step explanation:

4.75 / 0.89 = 5.33

Since you can't buy 1/3 of a pencil, Shelila can only buy up to 5 pencils

A camera is able to capture 3/4 of a picture per second. How long will it take a camera to snap 6 pictures

Answers

It would take 8 seconds. Branliest? :)

Please help me find the area of this!!! 15 points!!

Answers

Answer:

[tex]A\approx1608.7\text{ yards}^2[/tex]

Step-by-step explanation:

We can use the alternate formula for the area of a triangle:

[tex]A=\frac{1}{2}ab\sin(C)[/tex]

Where a and b are the side lengths, and C is the angle between the side lengths.

We know that one side length is 60 and the other is 70.

The angle between them is 50°.

So, substitute 60 for a, 70 for b, and 50° for C. This yields:

[tex]A=\frac{1}{2}(60)(70)\sin(50)[/tex]

Evaluate using a calculator. Make sure you’re in Degrees Mode.

Therefore, the approximate area is:

[tex]A\approx1608.7\text{ yards}^2[/tex]

im really confused ​

Answers

Answer:

   C. 10.5

Step-by-step explanation:

2=3

3=4.5

4=6.0

5=7.5

6=9

7=10.5

Answer:

the answer is 10.5

Step-by-step explanation:

if you keep going with the relationship every 1 place value up is another 1.5 added so if you go to 7 you get 10.5

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