Mathematics Middle School

a^2+3b÷c-2d
a=3 b=8 c=2 d=5

Answers

Answer 1

Answer:

9 is the answer to this question.

Step-by-step explanation:

a^2+3b÷c-2d

3^2+3x8÷2-2x5

9+24÷2-2-10

9+12-2-10

21-2-10

19-10

9

Answer 2

Answer:

11, I know you got the answer, but just in case you need an explanation..

Step-by-step explanation:

So, once you plug in the numbers it is... 3^2+3(8) divided by 2- 2(5). Then simplify the numbers... 9+24 divided by 2-2(5). Due to PEMDAS, division goes before addition or subtraction. So, 9+12-10. Simplify again ( it doesn't matter which property you use first..) Then 9+2 ( if you subtracted first ) and the final answer is 11.

Related Questions

Could someone please help me? If you know all the answers please write down what the answers are. Also, tell me how you got the answer. Will mark brainlist for the best answer for solving the equations or questions.

Answers

Answer:

1. its B

2. you use pemdas

3. you use the second step of pemdas

Step-by-step explanation:

1. because all of the parts are equal and there are only four equal parts.

2. Pemdas=Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

3. Pemdas=Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

#2: 1/4
#6: A
( I like your pfp btw ;))

Someone please help me!!! ASAP

Answers

102 3/5 steps


The bridge is 307 4/5 m long
Her steps are 3/10 m long
Divide the length of the bridge by the length of her steps

First change the 307 4/5 to 8/10 so we have a common denominator
(307 8/10)/(3/10)
Next change 307 8/10 to an improper fraction
Multiply the whole number by the denominator than add the numerator
(3078/10)/(3/10)=1,026/10
Now divide the numerator by the denominator
1,026/10=102 6/10
Which simplifies to 102 3/5

Average winter temperatures in 45 states were recorded and divided by geographic region. Choose True or False for each statement below

Answers

This will be false because that’s not the average winter temperatures in 45 states
False please give me brainlest

Please help me and do your work because I mustn't fail this math class for the sake of my sanity

Answers

Answer:

7. y = 4x, you can divide both ways

Step-by-step explanation:

For which data set would the median be a better measure of center than the mean?

Please I really need help! And no files, I will report them!

Answers

Answer:

I think D but I'm not 100 percent certain

Which survey is biased?
A. Going to the mall and asking people what their favorite color is.
B. Going to the mall and asking people what their favorite place to shop is.
C. Going to the mall and asking people what television channel they watch most.
D. Going to the mall and asking people what radio station they listen to most often.

Answers

i believe it's b , hopefully this helps

Find the surface area
Length=8
Width=10
Height=6

Answers

Answer:

A

Step-by-step explanation:

2(8)(6) + 2(8)(10) + 2(6)(10) = 376

answer is (A) 376 m^2

Giving brainliest also gonna need an Explanation on how to get the answer with the Answer

Answers

Answer:

12

Explanation:

3 pizza sizes multiplied by 4 appetizers = 12 possible outcomes.

hope it helps

It won't let me click submit so I took a screenshot of all the answers.

help PLS i put you in brainlist

Answers

Answer:

1. 45 + 18

2. 77 - 35

3. 22 - 7

4. 94 + 56

5. 88 + 41

6. 43 - 29

7. 68 - 55

8. 1 + 67

9. 27 + 72

10. 97 - 93

11. 34 - 2

12. 42 + 80

hope this helps

Answer:

1. 45 + 18

2. 77 - 35

3. 22 - 7

4. 94 + 56

5. 88 + 41

6. 43 - 29

7. 68 - 55

8. 1 + 67

9. 27 + 72

10. 97 - 93

11. 34 - 2

12. 42 + 80

Step-by-step explanation:

HELP IM BEING TIMED

Solve for x.

x/4 = 3/8

Answers

The answer is 1.5 because /4 is half of /8 so 1.5/ is half of 3/

Answer: 3/2 or 1.500

Step-by-step explanation:

How is unit rate related to the linear equation?

Answers

Answer:

https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/cc-8th-graphing-prop-rel/v/graphing-proportional-relationships-example

Step-by-step explanation:

Answer:

A proportional relationship between two quantities is one in which the two quantities vary directly with one and other. If one item is doubled, the other, related item is also doubled. Because of this, it is also called a direct variation. The equations of such relationships are always in the form y = mx , and when graphed produce a line that passes through the origin. In this equation, m is the slope of the line, and it is also called the unit rate, the rate of change, or the constant of proportionality of the function.

If we changed the 3 to a 0 in the equation, what would happen to the graph?

Answers

Answer:

The graph will be three units lower

Step-by-step explanation:

The graph will be three units lower

The position of the graph will shift 3 units lower on the y axis.

If we changed the 3 to 0

What is the equation?

Equation, is  values of two expression that are equal.

now,
y = -.14x
y=-0.14x passes through origin as shown in the graph attached below.

Learn more about equation here:
https://brainly.com/question/10413253

#SPJ2

Brainliest if correct

Answers

Answer:

(1200-650)/25=22

Step-by-step explanation:

1200-650=550

25x_=550 or 550/25=_

They need to sell 550 before he restocks

(1200-650)/25=22

I think lol

I tried hope that helps :)

!!!*BRAINLIEST*!!!

An Olympic swimming pool measures 164 feet long, 82 feet wide, and 9.8 feet deep. It takes approximately 7.48 gallons of water to fill 1
cubic foot of the pool. Approximately how many gallons of water are needed to fill the swimming pool?

A. 985,792 gallons
B. 10,983 gallons
C. 17,619 gallons
D. 1,913 gallons

Answers

Answer:

A

Step-by-step explanation:

Area = length times height times width

Area = 164 x 82 x 9.8

= 131790.4

Multiply by 7.48 since it takes 7.48 gallons to fill a cubic foot then you find the answer of A.

the answer is a 985,792

Please help. Stuck on this question and don't understand how to solve it.

Answers

Answer:

a)false, b)true, c)false

Step-by-step explanation:

a)The graph is going down so it is a negative association not positive.

b) Yes as the weight gets higher the heart rate goes down.

c) When 20 pounds or less, the dots don't make a straight line(it is nonlinear).

Where could you draw a line segment so that the diagram has another hexagon that is congruent to hexagon ABCIHG?

Answers

You can draw a line segment at EK

You can draw a line segment at EK

A wall in a classroom has a length of 16 ft and a diagonal of 20 ft. A student is painting a rectangular mural on the wall. The mural has a length of 6 ft and a diagonal of 10 ft. What is the difference between the width of the wall and the width of the mural?
ill mark you brainliest pls help!
Answer choices:
A. 2ft
B. 4ft
C. 10ft
D. 14ft

Answers

Answer:

B. 4 ft

Step-by-step explanation:

First, find the width of the wall.

The length, width, and diagonal form a right triangle, where the diagonal is the hypotenuse and the length and width are the 2 legs.

Use the pythagorean theorem and solve for a, the width of the wall.

a² + b² = c²

a² + 16² = 20²

a² + 256 = 400

a² = 144

a = 12

So, the width of the wall is 12 feet.

Solve for the width of the mural. Again, the diagonal, length, and width form a right triangle.

Use the pythagorean theorem again and solve for a, the width of the mural:

a² + b² = c²

a² + 6² = 10²

a² + 36 = 100

a² = 64

a = 8

So, the width of the mural is 8 feet.

Now, find the difference between the widths of the wall and mural:

12 - 8

= 4

So, the difference between the two widths is B. 4 ft

Answer is...B 4 ft....

please help me someone :

Answers

Answer:

First one is 44

Second is 24

Step-by-step explanation:

Divide it to small rectangle and find area then add together

answer to question:

8) 44cm^2

9) 27cm^2

Solve the given equation.



6p = 72

Answers

the answer is p=12....

6p=72

divide by 6 on each side

and get p=12

hope this helps

screenshot of question below

Answers

Answer:

231 yd²

Step-by-step explanation:

h·b=A

17.5 · 13.2 = 231 yd²

Answer:

115.5

Step-by-step explanation:

:) your welcome

Solve and show your work for each question.
(a) What is 0. 36 expressed as a fraction in simplest form? (line over 36)
(b) What is 0.36 expressed as a fraction in simplest form? (line over 6)
(c) What is 0.36 expressed as a fraction in simplest form? (no line)

Answers

Answer:

I’m sorry if I’m wrong

Step-by-step explanation:

A) 0.36 with a line over both 36 means as a decimal the 36 repeats, so it would look like 0.363636

as a fraction it would be 36/99, divide both numbers by 9 to get 4/11

B) 0.36 with the line over the 6 means just the 6 repeats so it would look like 0.3666

as a fraction that would be 33/90 , divide both by 3 to get 11/30

C) 0.36 would be 36/100, divide both numbers by 4 to get 9/25

a is 36/100
B is 9/25
And i don’t know c
Hope this helps!

C D Moody is an award-winning, Black-owned construction company in Lithonia, Georgia.

TaShauna contracted the company to build a porch in her front yard. The total area of her front

the yard is 4x^2+ 3x − 10. What is the total area of the porch, if the area surrounding the porch is 3x^2 − 20?

Answers

16

Explanation: I took the test

Please help I don't understand it

What is the probability that a point chosen at random in the given figure will be inside the smaller square?



Enter your answer, as a fraction in simplest form, in the box.


P(inside smaller square) =

Answers

Answer: The answer is 9/15! I think

Step-by-step explanation:

9/15 sorry if I got it wrong but I am 98% sure I’m right

Angle relationship-error analysis

Answers

Answer:

23

Step-by-step explanation:

Answer:

yo

Step-by-step explanation:

yo

can someone pls help im rlly bad at circle graphs i will give brainliest!!

Answers

The answer is 87

Explanation:
there are 150 students
If you add 28% from spaghetti and 30% from pizza you get 58%

now, 58% is 0.58 in decimal form, so then you multiply 150 times 0.58, and there is your answer! I hope this helped!
16 students

30+28=58
12+18+12=42

58/150 42/150
58-42=16

Types of submarines and the depths are below sea level they can safely reach are down below are shown in the table below. (The photo)


Which two types of submarines can reach depths farthest from sea level?

A) Pleasure, Military

B) Scientific, Alternative Propulsion

C) Alternative Propulsion, Military

D) Guided Missile, Scientific

Answers

Answer:

D

Step-by-step explanation:

The greatest, farthest depths listed are the Guided Missile and Scientific submarines' depths, 850 and 925 feet. So, The answer is D, Guided Missile and Scientific.

Good luck ^^ Hope this helps :)

D the picture explains

Can someone help me please?


DONT ANSWER WITH IRRELEVANT WEBSITES OR LINKS!!!

Answers

Answer:

Surface area of a cube = 6a²

a = 8.5 cm

Area = 6 × (8.5)² = 433.5 cm²

433.5000 Meters

Brainly only wants answers with 20 characters or more so here you have a pizza recipe

A box of popcorn is 3 inches wide, 4 inches long, and 6 inches high. The box is half empty. What is the volume of popcorn left in the box?

Answers

Answer:

36

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

I need the answers corre

Answers

Answer:

x<4

Step-by-step explanation:

The graph is not ending therefore X can be only lower than 4. -4 wouldn't be considered to be in the answer as it is a value of x itself. Also, X can't be greater than 4 because 4 is the starting point of the graph. So the X is always lower than 4 and can equal -4. So it would be x<4.

hope that helps!

x is less than or equal to 4

6. Find the volume of the sphere shown, giving your answer correct to 2 decimal places.

Answers

Answer:24,825.85

V:4/3x3.14xr^3

V:4/3x3.14x5,929.741

V:4/3x18,619.38674

V=24,825.84898

The Volume is approximately 24,825.85

I did the math as well, and it was 24,825.85
Other Questions
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One day it maybe snowing, and the next it may be sunny and warm.Every day is different and, while we are able to seeapproaching hurricanes using radar, the weather willforever go to the beat of its own drum.Tropical cyclones, also known as hurricanes, cause themost damage to coastal areas because they form overthe ocean before making their way to the mainland.Every time a hurricane strikes land, it causes millions(sometimes billions of dollars in damage to our coastalregions.Meteorologists can make predictions ofhurricane movement, but the complexconditions make certainty impossible.drag and drop answer hereModern technology utilizes energy topredict what precipitation is in theatmosphereThe coastal regions experience the mostdamage as a result of hurricanes.Meteorologists are able to make accurate weatherforecasts using radar technology. The radar sendsenergy out into the atmosphere and determines whattype of precipitation is in the air based on how long ittakes the energy to bounce back. The heavier or thickerthe precipitation, the longer it takes the energy toreturndrag and drop answer hereWhile we may know what's coming aheadof time, weather remains unpredictable.Hurricanes are intense tropical storms with minimumwind speeds of 75 miles per hour. Category fivehurricanes can have wind sneeds over 155 which do you think will warm up the plate more quickly?A. Direct sunlightB.Indirect sunlight what does this quote mean? the dead cannot cry out for justice. it is a duty of the living to do so for them. - lois mcmaster bujold DESCRIBA EL CLIMA DESRTICO Think about an organizational change that recently affected you. This could be a change at work in which jobs or procedures were changed, or it could be a change at school, such as a change in curriculum requirements or major revisions in registration procedures. 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