What is the key idea when combining like terms?

Answers

Answer 1
add coefficients first (like terms), then simplify

Related Questions

(Image)---------- (in link)

Answers

Answer:

You could solve this by taking the y value and adding it to the multiplied rate.

For example: For Jill's 6 year mark, the equation would be 11(6) + 15.

Hope this makes sense, don't hesitate to ask for clarification on a certain part of the answer.

What part of 3.5 is 0.5?

Answers

Answer: it is 7.0

Hope it will help you come on and mark me as brailiest

Answer is : 7.0

Explanation :

WIll MARK BRAINLIEST
A hexagonal-based prism is sliced horizontal to the base. Which figure best represents the cross-section parallel to the slice?

Answers

A hexagonal-based prism is sliced horizontally to the base. Which figure best represents the cross-section parallel to the slice? C

What is 46% of 1000? Round to the nearest hundredth

Answers

Answer:

500

Step-by-step explanation:

I will tell you what 460 is rounded to the nearest hundred and also show you what rules I used to get to the answer.

We did not necessarily round up or down, but to the hundred that is nearest to 460.

500

A) We round the number up to the nearest hundred if the last two digits in the number are 50 or above.

B) We round the number down to the nearest hundred if the last two digits in the number are 49 or below.

C) If the last two digits are 00, then we do not have to do any rounding, because it is already to the hundred.

Solving the Simplified Equation
Fill in the blanks to complete the description of
how to solve the equation
28x - 56 = 22x - 65.
First, get the variable on the left-hand side of the
equation by subtracting 22x from both sides to get
bx - 56 = -65. Next, use the
property of equality to isolate
the variable
DONE

Answers

Answer:

- 1.5

Step-by-step explanation:

put two x variables in one place and two numbers in one place

28x- 22x = 56-65

6x = -9

x=-1.5

Triangle ABC has vertices (4,-1), B(5,6) and C(1,3). Prove using coordinate geometry that ABC is an isosceles right triangle.

Answers

Step-by-step explanation:

first find distance between ab

then between bc

then ac

in isosceles triangle 2 sides are equal

so if two sides means the distance we find are same

the givan triangle is isosceles

Answer:

the coordinates of vertices triangle ABC are (4,-1), B(5,6) and C (1,3) prove that triangle ABC is an isosceles right triangle.

Please please help ASAP! Classify each angle!

Answers

Answer:

            Acute Angles: ∠TLS, ∠SLT, ∠ULR             Right Angles:   ---------             Obtuse Angles:  ∠RLT, ∠SLU, ∠ULS,             Straight Angles:  ∠RLS, ∠TLU             Not angles: ∠TRL

Step-by-step explanation:

The lines intersect at point L, so all angles have a vertex (middle letter) L so there is no angle TRL

Straight angle is a line with dot-vertex, so the straight angles are ∠RLS and ∠TLU.

∠TLS is less than 90° then it is acute angle (∠SLT is the same angle). ∠ULR is vertex angle to ∠TLS, so it's also acute angle.

Two angles adding to straight angle mean that they are both right angles or one is acute and the second is obtuse. ∠TLS is acute so ∠RLT is obtuse (they adding to ∠RLS) and ∠SLU is obtuse (they adding to ∠TLU). ∠ULS is the same angle as ∠SLU.

A = 2x + 6xz Solve for X

Answers

Answer:n=28

Step-by-step explanation:

find the x value that makes m parallel to n

Answers

Answer: x = 23

Step-by-step explanation:

(3x + 13)

3 x 23 + 13= 82

(4x - 10)

4 x 23 - 10= 82

Figure B is a scaled copy of Figure A.
Figure A
Figure B
What is the scale factor from Figure A to Figure B?


Answers

Greetings from Brasil...

Comparing the distances AB and A'B ', we notice that AB = 3 and A'B' '= 9.

We can say that:

AB · X = A'B'

3 · X = 9

3X = 9

X = 9 ÷ 3

X = 3

Thus, figure B is 3x larger than figure A

scale factor = 3x larger

Answer:

x=3

Step-by-step explanation:

AB = 3 and A'B' '= 9.

hope this helps

Write a conjecture that describes the pattern in each sequence. Then use your conjecture to find the next item in the sequence.

-5, 10, -20, 40,_,_,_

Answers

Answer:

The next 2 items would be -80 and 160

The complete series is -5, 10, -20, 40, -80, 160, -320 and this can be determined by using the geometric progression.

Given :

-5, 10, -20, 40,...

The following steps can be used in order to determine the next item in the sequence:

Step 1 - The given sequence is in the geometric progression.

Step 2 - Write the given series.

-5, 10, -20, 40,...

Step 3 - The next term in the given sequence is:

= - 40 [tex]\times[/tex] 2

= - 80

Step 4 - After the above term the term obtained is:

= [tex]80\times 2[/tex]

= 160

Step 5 - After the above term the term obtained is:

= [tex]-160\times 2[/tex]

= -320

For more information, refer to the link given below:

https://brainly.com/question/14320920

If f(x)=9x+42;find f(5)

Answers

Answer:

f(5) = 87

Step-by-step explanation:

The diameter of a cylindrical construction pipe is 4 ft. If the pipe is 20 ft long, what is its volume?

Answers

Works if u used 3.14 as pi
V=251.2

let's see who gets this:) so far no one has got it ​



my bad it's science work

Answers

-Oxygenated blood is pumped to the rest of the body via the aorta.

-Deoxygenated blood (blood that needs oxygen) coming from the body.

-Then is pumped to the right ventricle.

-Then is pumped to the lunges to get oxygen via the pulmonary artery,

-Oxygenated blood from the lunges flows into the left atrium via the pulmonary vein.

-Flows into the right atrium.

-Then is pumped into the left ventricle.

I'm very confident in this answer, but if it happens to be wrong, I'm sorry.

I hope this helps, good luck!


The angle 22.07° + 12°58' is closest to:

Answers

Answer:

34.65

Step-by-step explanation:

how do you rewrite y=2(x+1)^2+4 in standard form ?

Answers

Answer:

y = 2x^2 + 4x +6

y=2x^2 + 4x + 6
U can probably find a calculator online to do it for you though

A plane traveled 360 miles each way to Athens and back. The trip there was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 6 hours. Find the speed of the plane in still air and the speed of the wind.

Answers

Answer:

S=32.5

W=97.5

Step-by-step explanation:

S=speed of plane in still air

W=speed of wind

-----------------------------------------

3(S+W)=130

6(S-W)=130

-----------------------------------------

S+W=43.33333...

S-W=21.66666...

2S=64.999...

S=32.5(simplified)

-----------------------------------------

32.5+W=130

W=97.5

-----------------------------------------

Identify the graph shown as linear or non linear. Then estimate and interpret the intercepts of the graph, any symmetry, where the function is positive, negative, increasing, and decreasing, the x-coordinate of any relative extrema, and the behavior of the graph.
PLEASE HELP. Thank you. Due at 1:30​

Answers

Answer:

see below

Step-by-step explanation:

Identify the graph shown as linear or non linear.  - nonlinear since it is not a linear

Then estimate and interpret the intercepts of the graph,

y intercept -  ( 0,-6)  where it crosses the y axis

x intercepts ( -12,0)  and ( 12,0)

any symmetry,  symmetric across the y axis

where the function is positive, or above zero  (-∞, -12) and (12,∞)

negative, or below zero ( -12,12)

increasing,  growing ( 0, ∞)

and decreasing, getting smaller (-∞, 0)

the x-coordinate of any relative extrema,  the minimum is (0,-6)

and the behavior of the graph. As x goes to -∞ y goes to ∞  and s x goes to ∞ y goes to ∞

Sadie weights out 690 grams of flour. Using the rate from Q4, how many cups did she weigh?

Answers

Answer:

172.5 cups

Step-by-step explanation:

Q4 = 690

Q = [tex]\frac{690}{4}[/tex] = 172.5

∴ She weighed 172.5 cups

I need help with this

Answers

Answers:a = 4YZ = 20

========================================================

Explanation:

Y is between X and Z (not necessarily at the midpoint). This means the three points are on the same line. Going from left to right we have X, Y and Z in that exact order.

Put another way, segment XZ is cut into smaller pieces XY and YZ.

The smaller pieces XY and YZ add back up to the largest segment XZ.

--------------

XY + YZ = XZ

( XY ) + ( YZ ) = XZ

( 7a ) + ( 5a ) = 6a+24 ..... substitution

7a+5a = 6a+24

12a = 6a+24

12a-6a = 24 ....... subtracting 6a from both sides

6a = 24

a = 24/6 ....... dividing both sides by 6

a = 4  is the first answer we're after

-------------

Use this value of 'a' to find the length of each segment

XY = 7a = 7*4 = 28

YZ = 5a = 5*4 = 20 is the second answer we want

XZ = 6a+24 = 6*4+24 = 48

Note how XY+YZ = 28+20 = 48 to match with XZ = 48 we got in the previous line above.

in a trivia game Joshua gets the score of -4 and the first round and it got five in the second round what is his total score after two rounds ​

Answers

joshua’s total score is 1 cuz -4 + 5 = 1

Is the identity property the same as the simplify property?

Answers

Answer:

La propiedad de la identidad de 1 dice que cualquier número multiplicado por 1 mantiene su identidad. En otras palabras, cualquier número multiplicado por 1 permanece igual. El número permanece igual porque multiplicar por 1 significa que tenemos 1 copia del número. Por ejemplo, 32x1=32.

Step-by-step explanation:

HELP MEEEE!!!

The Travers are adding a new room to their house. The room will be a cube with volume 4,096 ft. They are going to put in hardwood floors, and the contractor charges $5 per
square foot. How much will the hardwood floors cost?

Answers

Answer:

4000!

Step-by-step explanation:

It would be 4000. Hope you get it right!

In the diagram, line segment CD is the perpendicular bisector of line segment AB, and E is a point not on either line that is on the same side of segment CD as point A.

Is point E closer to point A, closer to point B, or the same distance from both points? Explain how you know.

Answers

Answer:

E would be closer to A

explanation:

if they were the same distance from both A and E it would be a point on the line CD, and if it was closer to E it would be on the other side of line CD.

i hope this is right :/

if a cheetah runs 1 mile a second how many miles does he run in one minute

Answers

Answer:

The answer would be 60 miles.

Step-by-step explanation:

There are 60 second in a minute. If a cheetah runs 1 mile a second, the equation would be 1 mile X 60 seconds. 1x60=60.

Hope this helps!


Find the value of x and then find the length of RT
RT =
X=

Answers

Answer:

x = 5, RT = 18

Step-by-step explanation:

[tex]\triangle MNL \sim \triangle SRT... (given) \\

\therefore \frac{MN}{SR} = \frac{NL}{RT}.. (c.s.s.t)\\ \\

\therefore \frac{84}{24} = \frac{63}{3x+3}\\ \\

\therefore \frac{7}{2} = \frac{63}{3x+3}\\ \\

\therefore 3x+3 = \frac{63\times 2}{7}\\ \\

\therefore 3x + 3 = 9\times 2\\

\therefore 3x + 3 = 18\\

\therefore 3x = 18 - 3\\

\therefore 3x=15\\

\therefore x = \frac{15}{3}\\

\huge \red {\boxed {\therefore x = 5}} \\ \\

\because RT = 3x + 3\\

\therefore RT = 3\times 5+ 3\\

\therefore RT = 15+ 3\\

\huge \orange {\boxed {\therefore RT = 18}} [/tex]



a)In the scale drawing, the height of the houses is 8 inches. What is the height of the real house?

b)The length of the real house is 35 feet. What is the length of the house in the scale drawing.

Answers

Answer:

  a) 40 ft

  b) 7 inches

Step-by-step explanation:

A) Multiply the given scale factor by 8 to get 8 inches:

  1 in : 5 ft  ⇒  8 in : 40 ft

The real house is 40 ft high.

__

B) If you like, you can write the proportion ...

  dwg / (35 ft) = 1 in / (5 ft)

Multiplying by 35 ft gives ...

  dwg = (1 in)×(35 ft)/(5 ft) = 7 in

The length of the house in  the scale drawing is 7 inches.

Answer:a=40

b=7

Step-by-step explanation:

did it on aleks

Find the areas of the circle. Round your answers to two decimal places, if necessary.

Answers

Answer:

  3.14 yd²

Step-by-step explanation:

The area of a circle is given by the formula ...

  A = πr²

Filling in the values, we find the area of this circle to be ...

  A = 3.14×(1 yd)² = 3.14 yd²

what is the answer?​

Answers

C because it’s inverse
i think the third option

d=60 miles and v=15 miles per hour solve d=vt then substitute values

T=60 hours
T=15 hours
T=600 hours
T=4 hours

Answers

Answer:

ummmmmmmmmmmmmmmmmmm t=4

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