Mathematics High School

8 = 4 (a - 6)

what method can I use to answer my problem

Answers

Answer 1

Answer:

expansion

Step-by-step explanation:

Related Questions

will give 100 points

Answers

Answer:

x=28

m<ACD=68°

Step-by-step explanation:

2x+(180-124)+(180-4x)=180

-2x+236=180

-2x=180-236

-2x=-56

x=28

m<ACD=180-4x=180-4(28)=180-112=68

Answer:

The answer is <ACD = 68°

Step-by-step explanation:

Using the property that the sum of interior angles in a triangle is equal 180°,we have:

<DAC + <ACD + <ADC = 180°

[tex]2x + (180 - 4x) + 56 = 180 \\ - 2x + 56 = 0 \\ 2x = 56 \\ x = \frac{56}{2 } \\ x = 28[/tex]

Finally, calculating the angle <ACD, we have:

<ACD = 180 - 4x

<ACD = 180 - 4 . 28

<ACD = 180 - 112

ACD = 68°

I'll mark you as the brainiest if you get this correct
thx xxx
This homework is due tomorrow
thx sm for your help

Answers

Answer:

12

Step-by-step explanation:

the absolute value from -2 to 26 is 28 you have 4 places after -2 so 28/4=7

you increase by 7 each time. -2+7=5   5+7=12 12 is the third place

I dont really understand this so can someone help me please!

Answers

the area of a circle is pi times the radius squared. the radius of this circle is 16.8cm, which is 282cm when squared. multiplied by pi it becomes 887cm.

A car traveled 36 miles in 45 minutes.the car traveled at a constant speed.if the car continues to travel at this rate,which equation can be used to determine y,the total number of miles the car will travel,in x hours

Answers

Car traveled 36 miles in 45 minutes the car

Car traveled

Determine the solution to the system of equations below: y = -3x + 6 and 3y = -2x - 3

Answers

Answer:

x = 3

y = -3

Step-by-step explanation:

We have two equations and are asked to solve for x and y.

y = -3x + 6

3y = -2x - 3

Substitute the y in the first equation in the second equation :

3(-3x + 6) = -2x - 3

Distribute :

-9x + 18 = -2x - 3

Solve for x by isolating it :

Subtract 18 from both sides :

-9x = -2x - 21

Add 2x to both sides :

-7x = -21

Divide -7 from both sides :

x = 3

Replace x in the first equation :

y = -3(3) + 6

y = -9 + 6

-9 + 6

y = -3

Which of these is the smallest and largest number?

Answers

Answer:

a) A -> 7.51

b) C -> 1.21

Step-by-step explanation:

First, you compare the units digits of the nos., then you compare the tenths place digits, then the hundreths place digits, and so on.

a) A -> 7.51

b) C -> 1.21

Hope it helps :)

Please mark my answer as the brainliest

The price of a watch was increased by 20% to £198.
What was the price before the increase?

Answers

Answer:

158.4

Step-by-step explanation:

Find the values of x and y in the equation below.

Answers

I’m pretty sure this is the right answer I couldn’t figure out how to type it so i had to Write it down

Answer:

6

18

not negatives!!!!!

Step-by-step explanation:

Pls help me out. :)..

Answers

Answer:

1402 tiles

Step-by-step explanation:

so in order to find the amount of glass tiles we will first need to find the surface area of the box

so the surface area formula for a rectangular prism is

2 (wl * hw* hl)

w- width

h- height

l- length

so the width would be 18centimeters

the height would be 7 cm

and the length would be 23 cm

therefore if we plug in the measurements into the equation it will give us a total surface area of

1402cm^2

therefore if Dimitri wants to cover the box with 1cm glass tiles then we take the 1402cm and divide it by 1cm leaving us with the same answer of

1402 tiles

1. A partially completed chart shows the hierarchy of a set of polygons.

Move a term to each blank box to complete the chart.

Answers

Answer:

Follows are the solution to this question:

Step-by-step explanation:

Please find the attached file for the complete solution.

Answer:

                                       1 polygon

                                   2 quadrilateral

                                     3 parallelogram

     4 rectangle                                                     5 rhombus

                                           6 square

what is the unit rate of a car going 780 miles in 20 hours

Answers

Answer:

39 miles per hour.

Step-by-step explanation:

780/20 = 39

PLEASE HELP ME I WILL MARK RBAINLIEST I SWEAR

Answers

Answer:

160=b  

      14

b: 2240

Answer:

b= 2240

Step-by-step explanation:

Multiply all terms by the same value to eliminate fraction denominators

then you simplify

hope this helps!

I ll mark you as the brainliest plz answer

Answers

Answer:

The answer is c

Step-by-step explanation:

if you add the first 2 numbers squared out of the 3 on i and ii and divide the by the 3rd number on i and ii you get the last number which means you did it correctly. Demonstration

3,4,5 3×3=9 4×4=16 9+16=25 25÷5=5 that is the correct formula to answers thrs types of questions :)

A flying disc has a 434 inch radius. What is its approximate circumference, rounded to the nearest inch?

Answers

ur mother is beautiful and my mom is more beautiful

Answer:

Answer is 2726.9

Step-by-step explanation:

I hope it's helpful!

Determine m∠DFG :))))

Answers

Answer:  127 (choice D)

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

Explanation:

We can apply the remote interior angle theorem.

The exterior angle DFG is far away from the remote interior angles FGH and GHF. In other words, the exterior angle is not adjacent to these remote interior angles.

The remote interior angles add to this exterior angle.

(angle FGH) + (angle GHF) = angle DFG

(89) + (5x-7) = 14x+1

5x + 82 = 14x + 1

82-1 = 14x-5x

81 = 9x

9x = 81

x = 81/9

x = 9

If this is the case, then,

angle DFG = 14*x+1 = 14*9+1 = 127

Dominic invested $9,400 in an account paying an interest rate of 4 % compounded
continuously. Alexandra invested $9,400 in an account paying an interest rate of 4
% compounded quarterly. After 16 years, how much more money would Dominic
have in his account than Alexandra, to the nearest dollar?

Answers

Answer:

1648

Step-by-step explanation:

Can you simply these fractions?

Answers

4/20 = 1/5

9/24 = 3/8

18/30 = 3/5

9/12 = 3/4

9/21 = 3/7

5/45 = 1/9

20/25 = 4/5

10/12 = 5/6

6/9 = 2/3

4/40 = 1/10

Explanation:

Find the greatest common factor then divide the numerator and denominator by the greatest common factor

Hope This Helps :)

4/20 = 4÷4 / 20÷4 = 1/5

9/24 = 9÷3 / 24÷3 = 2/8

18/30 = 18÷6 / 30÷6 = 3/5

9/12 = 9÷3 / 12÷3 = 3/4

9/21 = 9÷3 / 21÷3 = 3/7

5/45 = 5÷5 / 45÷5 = 1/9

20/25 = 20÷5 / 25÷5 = 4/5

10/12 = 10÷2 / 12÷2 = 5/6

6/9 = 6÷3 / 9÷3 = 2/3

4/40 = 4÷4 / 40÷4 = 1/10


Hope this helps!

Watch help video
If 2x + 5y = 10 is a true equation, what would be the value of -4(2x + 5y)?

Answers

Answer:

-40

Step-by-step explanation:

2x + 5y = 10

-4(2x + 5y) = -4 * 10

-4(2x + 5y) = -40

Answer: -8x -20y

How to: Distribute

Hope that helps :)

Any way someone has a step by step process to solve for x?

-2x+9=21

Answers

-2x + 9 = 21

Step 1: subtract 9 from both sides.

-2x = 12

Step 2: divide both sides by -2.

X = -6

if one burger cost $60 what will 15 burgers cost​

Answers

Answer:

60 • 15 = $900

Step-by-step explanation:

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4,5,10,8,4,8,7,6 range

Answers

10 meaning the biggest number and then subtract by 4 since it’s the lowest number and you get 6.

Answer:

10-4=6

Step-by-step explanation:

The range is the difference between the biggest and smallest number. In this case, 10 is the biggest number and 4 is the smallest. So we do 10-4, which gives us 6, so 6 is the range.

what is the difference between associative property,communitive property,and distributive property? (will mark brainliest)

Answers

Answer:

Commutative switches the numbers, while associative keeps the numbers positions but changes the parentheses. I hope that helped

The associative property only changes the grouping and keeps the same order. Example- (2+3)+(4+5) -> 2+(3+4)+5
The communities property changes the order only. Example- 3+2 -> 2+3
The distributive property distributes the number from the outside of the parenthesis to the numbers inside
Example- 4(5+3) so you distribute the 4 to the 5 and 3 by multiplying. The answer would be 20+12
I hope this helps :))

a figure is graphed in the coordinate plane. which pair of transformations will NOT preserve the size and the shape of the figure?

Answers

Answer:c

Step-by-step explanation:

MULTIPLE CHOICE: Choose the BEST ANSWER. The equation C = 5n represents the cost “C” in dollars for “n” caps that advertise the walkathon. Which of the following ordered pairs could represent a number of caps and the cost for that number of caps, (n, C)?
A. (0 , 5)
B. (3 , 15)
C. (15 , 60)
D. (5 , 1)

Answers

Answer:

c

Step-by-step explanation:

Jerry bought 72 sticks of gum. There are 8 sticks of gum in a package. Draw a table using the guess, check and revise strategy to solve the equation 8 times p = 72. 8p=7

Answers

Answer: Make a chart that has 2 rows of 10 boxes each and copy this info below.

Step-by-step explanation: Good luck! :D

Packages - Sticks of gum

1 - 8

2 - 16

3 - 24

4 - 32

5 - 40

6 - 48

7 - 56

8 - 64

9 - 72

What is bc divided by 2?
(Algebra)

Answers

Wdym what is bc divided by 2
What are you talking about ?

which equation is a linear function ​

Answers

Answer:

It would be B. 5-3x

Step-by-step explanation:

This function had a constant rate of change and has a y int

There are 8 boys on
the schools dance
team. These 8 boys
make up 16% of the
dance team. How
many students are on
the dance team?

Answers

Answer:

50

Step-by-step explanation:

let x represent the total number of students.

8 / x = 16/ 100

16x = 800

x = 50

50 total students


Mangoes are on sale 4 for $3. Mindy buys 14 mangoes.
The sales tax is 12%.
What is the total price Mindy pays for the mangoes?

Answers

Answer:

11.76

Step-by-step explanation:

[tex]14 \div 4 = 3.5 \\ 3.5 \times 3 = 10.5 \\ 10.5 \times (1 + 12\%) = 10.5 \times 1.12 = 11.76[/tex]

A sea turtle descends 28 feet from the surface of the ocean and then ascends 5 feet. Then it descends 9 feet and repeats this descent 4 times. How many feet below the surface is the turtle then ?

Answers

Answer: 59 feet

Step-by-step explanation:

First the sea turtle descended 28 feet.

It then ascends 5 feet which means it is now:

= 28 - 5

= 23 feet below surface

It then descends 9 feet and repeats that descent 4 time:

= 9 * 4

= 36 feet below the surface

Total distance below the surface:

= 23 + 36

= 59 feet

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