Mathematics High School

Can someone please help me with this question.Select all the expressions equivalent to:
20a + 10b
a:5(4a + 2b)
b:10(2a + b)
C:2(10a + 5)
D:2(10a + 5b)
E:5(4a - 2b)

Answers

Answer 1

Answer:

a

b

d

i did this for notes really helps

Answer 2
Hopefully someone comes along and helps you out. I wish I could:(

Related Questions

Sarah and Ethan are plotting points on a
coordinate grid. Sarah plots the point A(-2. – 3)
and Ethan plots the point B(1.2). What is the
distance between the two points?

Answers

Answer:

srry buddy

I didn't get the answer ✌️✌️

Pls help I really need it

Answers

T equal A5 beef plus Australia beef the answer is eat both

It took Hank 3.4 hours to travel 124 miles. At that rate, how long will it take Hank to travel 310 miles?

Answers

Answer: Time = 8.5 hours

Step-by-step explanation:

Step 1

Speed = distance / time

Distance  traveled by  Hank = 124 miles

Time = 3.4 hrs

Speed= Distance / Time

= 124/ 3.4 = 36.47 miles per hour

Step 2

At this same rate of speed =36.47 miles per hour, if he travels 310 miles, he will spend=

Time = Distance / Speed

Time = 310/ 36.47

Time =8.5 hours

ASAP PLEASE I WILL MAKE BRAINIEST

The coordinates of the point UU are (-4,3)(−4,3) and the coordinates of point VV are (-4,-9).(−4,−9). What is the distance, in units, between the point UU and point V?V?

Answers

Answer:

12 units

Step-by-step explanation:

Given points:

U(-4, 3) and V(-4, -9)

The line segment between the given points is vertical as their x-coordinates are same.

The distance between the points is the difference between their y-coordinates:

3 - (-9) = 12 units

Plz help due tomorrow

Answers

Answer:

A) x is greater than or equal to 4.50

Step-by-step explanation:

the price has to be at least 4.50 so it could be 4.50 or it could be greater than 4.50. Hope this helped.

A rectangular playground is 65m long and 30 m wide. A pathway of 1.5 m width goes all around, outside it. Find the area of the pathway

Answers

Answer:

97.5 m^2

Step-by-step explanation:

Given data

Length = 65m

Width= 30m

We are told that the width of the path= 1.5m

Hence the area of the path is

=65*1.5

=97.5 m^2

Complete or rewrite each equation using the property indicated (algebra).
Property: Associative
Equation: 5 x (3 x 4)
Rewrite 5 x (3 x 4) in associative property
Please explain.

Answers

Answer:

60

Step-by-step explanation:

Ok so,

in PEMDAS the first thing to do is parentheses so 3 times 4 = 12. now it should look like this

5x12 which equals 60

hope this helps! have a good day! please mark brainliest

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Answers

Answer:

3x^6y^2/8

Step-by-step explanation:

Simplify the expression.

~Hoped this helped~

~Brainly, please?~

Answer:

3x^6y²/8

Step-by-step explanation:

3²·x^4·y³ / 24x^-2·y = 9x^4y²/24x^-2

9x^6·y²/24 = 3x^6y²/8

Please help me to solve the 7th part !​

Answers

Answer:

i don't know

Step-by-step explanation:

sorry sorry sorry berry much

You finish 3/10 of the project. Your friend finishes 2/3 of the project. What fraction of the project is finished??

Answers

Answer:

29/30 of the project is finished

Answer:

29/30, or 0.966...

Step-by-step explanation:

In an isosceles trapezoid the base angles are?​

Answers

Answer:

The base angles of an isosceles trapezoid are equal in measure (there are in fact two pairs of equal base angles, where one base angle is the supplementary angle of a base angle at the other base

Step-by-step explanation:

The mid point of ab is m(-2,-6) if the coordinates of a are (-1,4) what are the coordinates of B

Answers

Answer:

i hate thsi coordinate chapter its very difficult chapter u know

- 2 + 0.8) ÷ (- 1.3) =
[tex] ( - 2 + 0.8) \div ( 1}^{2} - 1.3[/tex]
​

Answers

(-2 + 0.8) ÷ (1²-1.3) =

(-1.2) ÷ (1-1.3)

(-1.2) ÷ (-0.3)

= 4

Find q.
60 °
30 °
4
q
Write your answer in simplest radical form.

Answers

Answer:

q = 4√3

Step-by-step explanation:

the value of q = 4. root 3 = 4√3 units .

plz mark my answer as brainlist plzzzz.

hope this will be helpful to you .

y = 2x + 7
y=2X+7
O one solution
O two solutions
O no solution
O infinitely many solutions

Answers

Answer:

Infinitely many solutions

Step-by-step explanation:

The lines overlap one another and this leads to an infinite amount of solutions.

Answer:

one solution is the answer

HELP PELASE ASAPppppp

Answers

Answer:D

Step-by-step explanation:

Given the similar polygons, what is the value of X?

Answers

Answer:

2

Step-by-step explanation:

Answer:

The answer is 20

Step-by-step explanation:

I did the homework and 20 was the correct answer

On a team, 4 girls and 2 boys scored a total of 28 points. The difference between the number of points scored by the 4 girls and the number of points scored by the 2 boys is 12. Each girl scored the same number of points and each boy scored the same number of points. Find the number of points scored by each girl and each boy Each girl scored points.​

Answers

Answer:

Each girl earned 2 points

Each boy earned 5 points

Step-by-step explanation:

Let x represent the number of points one girl earned

Let y represent the number of points one boy earned

4x + 2y = 28

4x - 2y = 12

8y = 40

y = 5 points

4x + (2)(5) = 28

4x + 20 = 28

4x = 8

x = 2 points

Each girl earned 2 points

Each boy earned 5 points

PLS SOLVE THIS
I WILL MARK BRAINLIEST

Answers

Answer:

AB = 25 units

Step-by-step explanation:

In right triangle ACB, [tex] CD\perp AB[/tex]

Therefore, by geometric mean property:

[tex]CD^{2} ={AD\times DB} \\ \\ {10}^{2} = AD\times 5 \\ \\ 100 = 5AD \\ \\ AD = \frac{100}{5} \\ \\ AD = 20[/tex]

AB = AD + DB

AB = 20 + 5

AB = 25 units

Find the geometric mean of 6 and 30, write your answer in simplest radical form.

Answers

Answer:

13.4

Step-by-step explanation:

The answer is 13.4!!

cual es el resultado de -4+5/3​

Answers

Answer:

English translate so i can help you ? :)

Step-by-step explanation:

Is 70/100 a bad score .........

Answers

Answer:

it will be a c I don't know if it's good

Triangles are similar Find the value of x.
Please i need help Thank you in advanced ​

Answers

28 1/3

Step-by-step explanation:

The scale factor is 5/3

Multiply 17 by 5/3.

28 1/3

Answer:

x=28.33 or 28 1/3

Step-by-step explanation:

12/17=20/x

12x=340

x=28.33

Help plsss !!!! Thnk you!!!!

Answers

Uhh I don’t really know but I think is A or C

The space that sand fills varies directly with its mass. If 2,400 kg of sand fill 1.5 cubic meters, how much sand is needed to fill 2.25 cubic meters? PLEASE I REALLY NEED HELP!

Answers

Answer:

3,600 kg

Step-by-step explanation:

2,400÷6=400

400×3=1200

2,400+1,200= 3,600 kg

does anyone know how to do this ?

Answers

9514 1404 393

Answer:

  y = 21

Step-by-step explanation:

In straightforward fashion, we can find the midpoints of the two segments, and set the distance between them equal to 10.

  M = midpoint of AB

  M = (A+B)/2 = ((-1, 0) +(-3, 6))/2 = (-4, 6)/2 = (-2, 3)

  N = midpoint of CD

  N = (C+D)/2 = ((3, 1) +(5, y))/2 = (8, 1+y)/2 = (4, (1+y)/2)

Then the distance MN is given by the distance formula.

  |N-M| = 10 = √((4 -(-2))² +((1+y)/2 -3)²) . . . . . distance formula*

  100 = 36 +((1+y)/2 -3)² . . . . . square both sides

  64 = ((1 +y)/2 -3)² . . . . . . . . . subtract 36

  8 = (1 +y)/2 -3 . . . . . . . . . . . . (positive) square root

  11 = 1+y/2 . . . . . . . . add 3

  22 = 1+y . . . . . . . . . multiply by 2

  21 = y . . . . . . . . . . . subtract 1

_____

* The distance formula is an application of the Pythagorean theorem. Basically, the differences of x- and y-coordinates are taken to be the legs of a right triangle. They length of the hypotenuse is the distance between the two points.

  d² = (x2 -x1)² +(y2 -y1)² . . . . . . . from the Pythagorean theorem

  d = √((x2 -x1)² +(y2 -y1)²) . . . . . the usual distance formula

A certain population is initially 8,951 but declines by 8% every second. Find an exponential formula that gives the population as a function of time. What will be the population after half of a minute?

Answers

9514 1404 393

Answer:

  734

Step-by-step explanation:

The growth factor is 1 -8% = 0.92. This is the base of the exponential formula. The multiplier is the initial value, so you have ...

  p = 8951×0.92^t

When t=30, this evaluates to ...

  p = 8951×0.92^30 ≈ 733.68

The population after half a minute will be about 734.

Round 26,127 to the nearest hundred.

Answers

5 or more add 1

4 or less stays the same

What is the value of 2 (38 –14) + 38 = 9?

Answers

Answer: 2(38−14)+38=?9

86≠9

False

Step-by-step explanation: hope this help

A bricklayer lays 1200 bricks in an average 8-hour day. How many bricks does he lay in a 40-hour week?

Answers

The answer is 6000 bricks.
40/8=5
5*1200=6000

The number of bricks that the bricklayer can lay in a 40-hour week is 6000 bricks.

Let the number of bricks that the bricklayer can lay in a 40-hour week be represented by x.

Based on the information given in the question, the equation to solve the question will be:

8/40 = 1200/x

Cross multiply

8 × x = 1200 × 40

x = (1200 × 40) / 8

x = 1200 × 5

x = 6000

Therefore, the number of bricks that the bricklayer can lay in a 40-hour week is 6000 bricks.

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https://brainly.com/question/18448466

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