what is the answer to 3 x - {-4 x} +12?

Answers

Answer 1

Answer:

7x+12

Step-by-step explanation:

since its neg, it take out { and } it no use.

if its like that, you add it.

so the equation: 3x+4x

that is 7x

+12 is after

so you do 7x+12

you can't simp it. So that is the answer

100% SURE

Answer 2
answer: x=-7/12

3x+4x=7x
7x+12
7x=-12
x=-7/12

Related Questions

what is 98364567 divided by 7356





also there is this guy i am good friends with on brainly
i sorta like him
what do i tell him

Answers

Answer:

i got some questions do un know what he looks like if he is cute then id say yes i have to go though

Step-by-step explanation:

15 pnts for both answers

Answers

Answer:

2.5x=y

Step-by-step explanation:

You get the x for the number of minutes and y for the total amount of gallons flowing from the faucet.

I think the answer is 2.5x=y but I’m not sure

WILL GIVE BRAINLY!!
Miguel's book has 208 pages. Kristen's book has n fewer pages than Miguel's book. Write an expression to represent the number of pages in Kristen's book.
Please explain!

Answers

Answer:

208-n

Step-by-step explanation:

208 is Miguel number and in is Kristen. Miguel has a greater number of pages than Kristen so you would have to subtract n from it. Hope this helps! :)

HELP PLEASE !!!!!!!!

Answers

Answer:

B

Step-by-step explanation:

A  y=-[tex]\frac{1}{15}[/tex](x+9)+167

B  y=-15(x+9)+167

C  y=-[tex]\frac{1}{15}[/tex](x+167)+9

D  y=-15(x+167)+9

A hotel advertises vacation packages on its website, and it charges the same amount per night. The table shows the total cost of a stay for different numbers of nights.

A table with the cost for a hotel stay is shown.
What is the unit rate per night?

Answers

Answer:

105$ per night.......

It cost 105 dollar per rate night.

Please tell me how to do these questions, I'm confused.

Answers

Answer:

2. The office and the music room

6. 68 in. I think?

Step-by-step explanation:

First-person to answer correctly with an explanation get Brainliest

Mai is filling her fish tank. Water flows into the tank at a constant rate. Complete the table if it helps you answer the questions. 1. How many gallons of water will be in the fish tank after 3 minutes? Explain your reasoning. 2. How long will it take to fill the tank with 40 gallons of water? Explain your reasoning. 3. What is the constant of proportionality?

Answers

Answer:it will take 25 minutes to fill the fish tank

Step-by-step explanation:1.6 gallons a minute is the unit rate,, i believe thats right

Use the diagram to answer each of the following questions.
a) Without performing any algebraic manipulations, can you define h the relation between x and y?
b) Write the expressions for x and y in terms of k.
c) Write the expression for w in terms of k.
d) Write the expression for z in terms of k.

Answers

Answer:

Step-by-step explanation:

One tank is filling at a rate of 4/5 gallon per 1/2 minute. A second tank is filling at a rate of 7/8 gallon per 1/2 minute. Which tank is filling faster?

Answers

Answer:

The second tank.

Step-by-step explanation:

Since both filling up at the same rate, all you would have to do is multiply the gallons.

4/5 multiplying top and bottom by 8 is 32/40

7/8 multiplying top and bottom by 5 is 35/40

the second tank is filling up faster

The triangles above are similar. What is the length of side x?

Answers

Answer:

2*

Step-by-step explanation:

Answer: 2

Step-by-step explanation:

Which form of democracy does the United States have?
A.
confederate
B.
representative
C.
parliamentary
D.
cabinet system

Please select the best answer from the choices provided
A
B
C
D

Answers

B is the correct answer
In the United States we vote on people who represent us so it’s B
B is the answer to your question

Please explain what i would be! Thank you! Will give brainlies!!!!

Answers

Answer:

B.) 120 cm²

Step-by-step explanation:

do 12*4=48move the right triangle to the other side and solve the area of that as if it were a rectangle do 12*6=72do 48+72=120 cm²

Answer:

B

Step-by-step explanation:

120 cm

What is the rate of change of the function represented by the table?
Х
1
y
—8.5
2
3
–6
-3.5
-1
4
О-2.5
-1
Оооо
1
2.5

Answers

Answer:

The answer that I cot for this:

2.5

Please help mehh.....!!!!

Answers

Answer:

Number of Starbursts= 66

Step-by-step explanation:

Method:

The first step in working out the number of Starbursts in the bowl is to add the the ratios of 3 and 4, this gives you 7.

The next step is to divide the total number of sweets which is 154 by the value of 7, this gives you 22. This is because we are trying to find out the value of one in the ratio.

The final step would be to work out the number of Starbursts in the bowl. This can be done by multiplying 22 by the ratio for Starbursts which is 3, this gives you 66. This means that out of 154 sweets 66 of them were starbursts.

Set by step:

1) Add 3 and 4.

[tex]3+4=7[/tex]

2) Divide 154 by 7.

[tex]154/7=22[/tex]

3) Multiply 22 by 3.

[tex]22*3=66[/tex]

A person jumped off a diving board into a pool. The function LaTeX: h\left(x\right)=-x^2+3x+2h ( x ) = − x 2 + 3 x + 2 represents the height, in meters, of the diver with respect to time, in seconds. The graph of the function is shown below.


What is a reasonable domain for the function?

Answers

Answer: Sorry this didnt get answered :^

Step-by-step explanation:

Serena can build 63 robots in 6 days. How many robots can she build in 8 days

Answers

Answer:

84 robots

Step-by-step explanation:

63 divided by 6 is 10.5

10.5 x 8 is 84

The correct answer is 84 robots hope this helps

3.5 × 4 brainliest...

Answers

Answer:

14

Step-by-step explanation:

14

What is the mean absolute deviation of Sherwin's homework scores? HELP

Answers

Answer:   6

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

Explanation:

First we need to find the mean.

Add up the values to get 20+13+3 = 33+3 = 36

Then divide that sum by 3 because we're dealing with three values

We get 36/3 = 12.

The mean is 12.

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

From here we subtract the mean (12) from each data value of the set {20,13,3}

So we get these differences

20-12 = 813-12 = 13-12 = -9

Here's where the term "absolute" comes in. More specifically, we'll use absolute value. This is to ensure we don't get a negative value when we subtract. So whatever results above are negative, we just flip to the positive version when we apply absolute value.

|20-12| = 8|13-12| = 1|3-12| = 9 .... this value is now positive

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

The set of results we got were {8, 1, 9}

Let's compute the mean of this new set

Add up the values: 8+1+9 = 9+9 = 18

Divide by three:  18/3 = 6

The mean absolute deviation is 6.

Answer:

6

Step-by-step explanation:

The mean is the values divided by how many values there are.

20 + 13 + 3 = 36              36 / 3 = 12

The mean deviation is the absolute value of the difference between the mean and the values.

|20 - 12| = 8

|13 - 12| = 1

|3 - 12| = 9

The mean absolute deviation is the mean of those values.

8 + 1 + 9 = 18

18 / 3 = 6

Factor 24−15 using the GCF.

Answers

Answer:

3

Step-by-step explanation:

3,6,9,12,15,18,21,24

3,6,9,12,15,18,21,24

KAHULUI, Hawaii — It had been 17 days since anyone had seen Amanda Eller. Her car was spotted near a trailhead in a vast forest reserve in Hawaii, and thousands of search volunteers were scouring the jungles and streams nearby.

On Friday afternoon, less than an hour after her family announced a $50,000 reward for information, rescuers found Ms. Eller with a broken leg, sunburns and scrapes, and a torn meniscus in her knee.

She was malnourished and dirty. But alive.

“I wanted to give up,” Ms. Eller, 35, said from her hospital bed late Friday night. “But the only option I had was life or death.”

Ms. Eller, a physical therapist and yoga instructor, said she lost her way in the Makawao Forest Reserve on the northern side of Maui on May 8, turning a three-mile hike into a two-week fight for her life.

Answers

Answer:

ok  yay!!!!!!!!!!

Step-by-step explanation:

Ok Yayyyyy!!!!! hmhmhm

Can somebody please help me with question four and five.(please do not write anything in answer section that is not going to help me with my questions).

Answers

Answer:

Step-by-step explanation:

4) rebellion might have been risky because of the imbalance of control. the article discusses "how little respect masters had for their slaves." rebellion could result in consequences such as death or harm.

5) rebellion might have been worth the risk because if successful, the result could be freedom. it is a very dangerous risk for a slave to have taken, but if it worked, it could possibly save their life & future.

Ok I will send you a picture

The hot air balloon descends 40 inches each 1/2 hour.

What number represents the balloon's flight after 3 hours?

Answers

-240 inches because 1/2 hour-40. 80 in one hour.
1 hour = -80
3 hours = -240
The balloon will descend 240 inches in 3 hours

In the Sahara Desert one day it was 136°F. In the Gobi Desert a temperature of -50°F was recorded. What is the difference between these two temperatures? Show your work

Answers

Answer:

186 degrees fahrenheit or 85.56 degrees celcius

Step-by-step explanation:

136-(-50)=186

Last year, Renata earned $540 delivering newspapers. This year, Renata made 250% of what she made last year?


A tape diagram. 0 dollars is 0 percent. Question mark dollars is 250 percent.


Which steps should you take to find out how much money Renata made delivering newspapers this year? Check all that apply.

Convert 250% to a decimal to get 0.25.

Convert 250% to a decimal to get 2.50.

Multiply 0.25 by 540 to get $135.

Multiply 2.50 by 540 to get $1,350.

Check your answer by using 100% + 100% + 50% to get 540 + 540 + 270.

Answers

Answer:

D 250% divide 540= 540/1 time 250/100= 135000/100 divide by 100 = 1350.

Step-by-step explanation:

Answer:

B, D, E

Step-by-step explanation:

Convert 250% to a decimal to get 2.50.

Multiply 2.50 by 540 to get $1,350.

Check your answer by using 100% + 100% + 50% to get 540 + 540 + 270.

Hope this helps!

ANSWER NOW! WILL GIVE BRAINLIST
56:10 A package states that there are 60 calories in 12 crackers and 75 calories in 15 crackers. Since the relationship is proportional, how many calories are there in 180 crackers? x y 12 60 15 75 36 calories 108 calories 720 calories 900 calories

Answers

Answer:

the answer is 900 calories in 180 crackers

Step-by-step explanation:

Answer:

900

Step-by-step explanation:

What is the value of the 5 in the number 2.005?
0.5
0.005
0.05
5

Answers

Answer: B

Step-by-step explanation:

You just have to ignore the 2

Label each table as linearor non-linear.
A. input:1,2,3,4,
output: 0,2,6,12
B) input; -2,0,2,4
output: 4,2,0,-2
c) input: -3,-2,-1,0
output: 5,3,-1,1
d) input: -4,0,4,8
output: 1,4,9,16
IT IS DUE TODAY I NEED HELP

Answers

NL = non-linear
L = linear

A) NL
B) NL
C) NL
D) NL

the fact that they are all non linear is weird but I think its right

What is the place value of the 3 in the number 6.213?
ones
tenths
thousandths
hundredths

Answers

It is the thousands!! Hope this helps!
The value of the 3 is in the thousandths

Write the equation of the horizontal line that passes through (2, -7).


A. y = 2

B. y = −7

C. x = 2

D. x = − 7

Please explain the process if possible!!!

Answers

B
Horizontal line would be y=-7

Answer:

B.

Step-by-step explanation:

Two quantities are related, as shown in the table below:


x y
2 3
4 4
6 5
8 6


Which equation best represents the relationship?
y = 1 over 2x + 2
y = 1 over 2x + 1
y = x + 2
y = 2x + 1

Answers

Answer:

A is the correct answer

Step-by-step explanation:

Given: Table of x and y

x : 2 4 6 8

y : 3 4 5 6

Using two point find the slope:

(2,3) and (4,4)

Now we find slope using last two point

(6,5) and (8,6)

Slope is equal. Thus, The given relation is linear.

Hence, The relation represents a linear equation

[tex]y=\frac{1}{2}x+2[/tex]

i believe that the answer is A. hope this helps ❤️
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