Mathematics Middle School

Evaluate the expression when a = 4, b = 15, and c = 16.
a+c

will give brainliest

Answers

Answer 1

Answer:

20

Step-by-step explanation:

This is the information we know :

A. a = 4

B. b = 15

C. c = 16

a + c

The a and c represent variables that must be substituted by their value, since we know their initial value, we substitute :

a + c when a = 4 and c = 16

4 + 16

20

Answer 2
The answer is 20 because a=4 and c=16 then 4+16=20

Related Questions

please do part b A=5 and B=4

Answers

Answer:

you have the answer already

Step-by-step explanation:

Rectangle is 72

The square is 45

The length for A is 8

The length for B is 3

Lmk pls
Will pick the correct answer brainliest!!

Answers

I think the answer is false just based on how high negative numbers can go, I could be wrong though

Answer:

false

Step-by-step explanation:

because it would not result in a pre-image.

What is the measure of the angle C?

Answers

Answer:

110

Step-by-step explanation:

the rest of that line has to equal 180 and you already have 70 20 180 - 70 = 110

What is the area of the parallelogram?

1 over 32 square foot
5 over 16 square foot
9 over 32 square foot
6 over 16 square foot

Answers

Answer: A=bh

ans: 5/16 which is option B

Step-by-step explanation:

answer is 5/16 which is option b

I will give brainliest to whoever helps me with this question. Also, if you could please explain to me how you solved it I would appreciate it!

Answers

How can you find width if This is 2d

Do these ratios form a proportion?

48 cellos for every 6 basses

25 cellos for every 4 basses

yes or no

Answers

Yes yes yes yes yes yes

Answer:

NO, i don't think

Step-by-step explanation:

cause

[tex]\frac{48c}{6b}[/tex] = [tex]\frac{25c}{4b}[/tex]

8= 6.25

What is the constant of proportionality (k = y/x)

Answers

Answer:

4

Explanation

Just trust fam
I believe that its 3

Why?
K=y/x

In the table, y is at the bottom and x is at the top

6/2 = 3
9/3 = 3
12/4 = 3
15/5 = 3

Stuart wants to find the value of 3 3/4 -2 1/3 Before Stuart can subtract, he needs to rewrite both fractions with a common denominator. Drag a number or expression into each box to show how to write equivalent fractions so the new fractions have a common denominator.

Answers

Answer:

1  21/50

Step-by-step explanation:

3 3/4 = (3/4 x 4/4) = 3 9/12

2 1/3 = (1/3 x 3/3) = 2 4/12

3 9/12 - 2 4/12 = 1  21/50

Let angle 1, angle 2, and angle 3 have the following relationships.
Angle 1 and 2 are acute vertical angles
Angle 3 is an obtuse angle adjacent to both angle 1 and angle 2.
What is the sum of the measure of angle 1 and the measure of angle 3?

Answers

180 degrees

Vertical angles are opposite angles that share only a vertex. Since ∠3 is adjacent to both ∠1 and ∠2, this means that ∠3 shares a side and vertex with both of these angles.
This means that ∠3 and ∠1 form a straight line; this makes them a linear pair, which makes their sum 180°.

A community center rents their hall for special events. They charge a fixed fee of $200 plus an hourly fee of $22.50.


How much would it cost Lin to rent the community center for 3 hours?

another community center rents their hall for special events. They charge a fixed fee of $200 plus an hourly fee of $22.50.

Write an expression to represent this situation using for the number of hours.

Answers

Answer:

it would cost $267.50

Step-by-step explanation:

if u mutiply 22.50x 3 it equals $67.50 plus the 200 dollars

Answer: $267.5 , 200+22.50h=P
Explanation:

HELPPP PLEASE HELP ASAPPP

Answers

I think it’s C
I don’t really have a explanation so.. also sorry if that’s wrong

give me the answer pls! thank u

Answers

Answer:

6, 12, 15, 9

Step-by-step explanation:

answer is in the picture

6 12 15 9!!!!!!!!!!!!!!!

1st question; What is 12 decreased by 8?
(Enter your answer as a number, for example, 5)
2nd question;How many 5's go into 25?
(Enter your answer as a number, for example, 8.)
3rd question:What is the product of 7 and 8?

Answers

Answer:

bjujvhuhvvhknjuvhvihhgv

PLEASE DO 9 NO ONE IS HELPING ME

Answers

Answer: A.5 B. 4

Step-by-step explanation:

PLEASE HELP ME WITH MY MATH ;-; if you help I will give you 5 stars, a thanks, and a brainliest and THIS IS THE LAST ONE

Answers

Answer:

150 on the line

85 on the right corner

65 in the top corner

Step-by-step explanation:

Hope this helps you
......................................

Algebra question I don’t get it because you usually have to multiple A by C but there is no C in the problem.

Answers

Ok so basically, when you say multiply A by C, that is simplifying.

And in this case, you are factorising in this question. You turn back into brackets basically.

We have:
72x^2 - 32

x^2 = x squared

factorising means finding the factor of.

(Forget the x squared for the moment to make life easier)

Factors of 72:
1 and 72
2 and 36
3 and 24
4 and 18
6 and 12
8 and 9
(9 and 8 = it repeats so we stop there)

And then factors of 32:
1 and 32
2 and 16
4 and 8
(8 and 4 = repeats so we stop there)

Notice how we see 8 twice in both factors of 72 and 32, this means that we use 8 as the main number we are going to multiply each of the 2 numbers in the brackets by. This is because it is the biggest common factor - this is what we have!

This is what we would have:
8(9-4)

BUT, that is not the answer!
Keep in mind we have the x squared too

But, 32 doesn’t have it?!!

It would be:
8(9x^2 - 4)

Do you get it??

Try to simplify it! Does it equal to 72x^2 - 32?

(And I am so very sorry for the long explanation, once you get the hang of it, it makes sense. Hope my explanation helped) :)










what are two simple, matching equations (mathematical)

Answers

Answer:+, -

Step-by-step explanation:

You answer could be: |-1/2| & 1/2


Don’t know if you’re working with fractions or what lol but there’s that basically the absolute value of negative one half and positive one half.

Martina is building a fence around her garden. For every 4 feet of fencing, the cost is $32.
Complete the table below showing the length of the fence and the cost.
Length of fencing (feet)

Answers

Answer:

For every foot of fencing, it costs $8. This should help us easily solve the question.

1st missing number: 48

2nd missing number: 56

3rd missing number: 9

4th missing number: 80

Answer:

Length of fencing: 4, 6, 7, 9, 10

Cost : 32 , 42, 63, 72, 90

Step-by-step explanation:

im not sure if the cost is correct but someone else might have the cost right

Ms. Blake spent 11 hours making gift baskets for families. Each gift basket took 15 hourto make. How many gift baskets did Ms. Blake make in 11 hours?

50


54


55


56

Answers

Answer:

0 baskets. It is not possible to make more than 0 baskets in 11 hours if it takes 15 hours to make a single one.

Step-by-step explanation:

Plz Help Its MATH!!!

Answers

13 tens 2 one hundreds

Answer:

13 tenths and 6 hundredths

Hope this helps :)

Angle 3 is 65 degrees. Identify all the other angles that measure 65 degrees

Answers

Answer:

angle 2 angle 7 and angle 6 measures 65° also

angle 2,6,7 are also 65 degrees

Does anyone know this?

Answers

Answer:

1 circifurence 6 18.850 area in squre 28.270

2 Circumference 37.70  Area in Square Inches 144.000

3 circumference 6.283          area in square inches   3.142

4 circumference   21.990                  area in squre inches 38.480

6) Write a system of linear inequalities that is given by the following graph.

Answers

Answer:

The system of inequalities are x - y < 1 and y < - 2 The horizontal line shown in the graph has equation y = - 2 {As it is parallel to x-axis} Now, this line is dotted and the lower portion of the graph is shaded. So, the inequality will be y < - 2 ......... (1) Again, another line is there in the graph which passes through the points (1,0) and (0,-1)So, its equation will be

⇒ y + 1 = x ⇒ x - y = 1 Now, the origin (0,0) is within shaded zone of the inequality and putting x = 0 and y = 0, we get 0 - 0 < 1 So, the equation of the inequality is x - y < 1 {As the line is dotted} Therefore, the system of inequalities are x - y < 1 and y < - 2 (Answer)

Step-by-step explanation:

Cjycyccttcyccuvjviccy

Solve for y.
y2–17≤–7

Answers

Answer:

y ≤ 5

Step-by-step explanation:

2y - 17 ≤ -7          Add 17

2y ≤ 10                Divide by 2

y ≤ 5

Answer:

Y = +√17 = +4.1231

Showing your Work,

A2 - AB + BA -B2 = A2 -AB + AN -B2 = A2 - B2

Remember to Factor, here's a funny valentines pug

please help me with this problem !!

Answers

True, true, false, true, false

A ball is dropped from the top of a 400-ft tall tower. The relationship between the time, t, in seconds, and the height, h(t), in feet, of the ball can be modeled by a quadratic function. Specific values of the function are shown in the table below
Part A: Determine the average rate of change of h(t) between t = 2 and t = 5.
Part B:Explain what this average rate of change means in terms of the context.

Answers

Answer : 3

step by step :

It is currently 0 degrees outside, and the temperature is dropping 4 degrees every hour. The temperature after h hours is -4h<-14. Find 2 possible answers for h that make the inequality true.
A. 3.5 hours
B. 1.5 hours
C. 2 hours
D. 4 hours
E. 4 hours

Answers

Answer:
A. 3.5
Explanation:
3.5 x 4 = 14

A manufacturer of breakfast cereals is considering the following two designs for cereal boxes.


The manufacturer wants to pick the package that will use the least cardboard packaging for a given volume of cereal.

Calculate the surface area and volume of each cereal box. Which one should the manufacturer use?

The manufacturer should use Box _______.

Answers

Answer:

He should use box A

Step-by-step explanation:

Answer:

Box A

Step-by-step explanation:

6x6x6=216

(72x2)+(18x2)+(36x2)=252

Please help this is worth 15 points! Solve in y=mx+b from!

Answers

Answer:

The coordinates of every point on the line will solve the equation if you substitute them in the equation for x and y. The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept

Step-by-step explanation:

Y= 7/4x + 20 would be the answer

PLEASE HELP I WILL GIVE BRAINLIEST TO THE FIRST PERSON TO ANSWER

1. The sum of two numbers is 55. The difference of the same two numbers is 3. What are the two numbers?

2. The product of two numbers is 66. The difference of the same two numbers is 19. What are the two numbers?

Answers

Answer:

1. 2x = 60

x = 30

y = x - 5 = 30 - 5 = 25

2. x= 11

Other Questions
five examples of artworks of East Asia. I need help please. Read the following excerpt from Susan B. Anthony's speech "On Women's Right to Vote" and think about how the speaker tries to persuade her audience.Webster, Worcester, and Bouvier all define a citizen to be a person in the United States, entitled to vote and hold office.The only question left to be settled now is: Are women persons? And I hardly believe any of our opponents will have the hardihood to say they are not. Being persons, then, women are citizens; and no state has a right to make any law, or to enforce any old law, that shall abridge their privileges or immunities. Hence, every discrimination against women in the constitutions and laws of the several states is today null and void, precisely as is everyone against Negroes.What kind of persuasive appeal does Anthony use in this excerpt?A: Appeals to ethics.B: Appeals to logic.C: Counterarguments.D: Appeals to emotion. Acotacin del lobo de la capeucita roja In the ocean near Antarctica, small crustaceans called krill eat algae and other phytoplankton. Krill are eaten bymany animals in the ocean, including blue whales, penguins, and fish such as herring.Based on this information, which food web correctly shows the flow of energy in this ecosystem? Which term describes the rights that are necessary for people to enjoy their lives? Government Civic Fundamental Responsibilities please help me on this will give you brainliest Explain Explain the Inputs and tools and techniques for determine budget with an example of London eye project and burj khalifa hey guys im not begging for help here but ive been stuck for 10 minutes and my time is running out! Read the excerpt from Tools of the Spymaster." General Gates's troops held their ground. Benedict Arnold, one of Gates's generals, argued for a counterattack that would smash the British force. Gates, outraged that Arnold would challenge his order, took away his command. But the rash Arnold saw a chance to strike a crucial blow. He galloped through the crossfire of both armies, inspiring his men. A bullet struck his leg, but he rode on, leading the final assault that shattered the British fortifications. If he had died of his wounds that day, Arnold would be remembered as one of the great heroes of the Revolutionary War. What evidence in the excerpt suggests that Benedict Arnold was a brave soldier? He did not die from his wounds in the battle. General Gates took away his command. A bullet struck his leg when he crossed the battlefield. He galloped through the crossfire of both armies answer my question PLEASE Children are likely to carry on the economic tildes of there parents in a __? A:mixed economy B:command economy C:traditional economy D: market economy PCYou deposit $200 in an account that earns 4% simple interest. How much interest did you earn in 3 years? (Hint: I = prt) PLS ANSWER ASAP THIS QUESTION IS WORTH ABOUT 50 POINTS PLS ANSWER PROPERLY PLS PLS Raul paid $48 for a sweater. He also paid a 7% sales tax. How much was the tax and what was they total cost If you answer correctly the first one will get brainliest so plz answer correctly Which process in photosynthesis uses energy from the sun?(1 point) A splitting water into hydrogen and oxygen B combining carbon dioxide and hydrogen C absorbing carbon dioxide D releasing oxygen eddie who earns $5 per hour worked two hours longer zach who earns $12 per hour. together they earn $30 2, If you heat water to 100 C, it ..a) boilsb) boilc) will boilplease help 1. 1918: The SuperbugThe Spanish flu killed 4050 million people.2. 1957: Asian FluAsian flu caused 70,000 deaths in the United States.3. 1968: Another PandemicThe Hong Kong flu killed 34,000 Americans.4. 1986: Dont Eat the MeatBSE was first diagnosed in Britain.5. 1996: A Bad BurgerThe first human death from BSE was recorded.What conclusion can be drawn about infectious diseases, based on this timeline? What is the value of x Giving brain list tell whether the ratio is a proportion Need work shown Need 4,5,6,7,8If u answer with a d*um* answer I will report u