Mathematics College

If y=-4+11 and 3x+y=9 what is the value of y?

Answers

Answer 1

Answer:

y = 7

x = 2/3

Step-by-step explanation:

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Answer 2

Answer:

2/3

Step-by-step explanation:

We know the value of y, so substitute y into the equation:

3x + (-4 + 11) = 9 --> remove parentheses

3x - 4 + 11 = 9

3x + 7 = 9 --> subtract 7 from 9

3x = 2 --> divide

x = 2/3

Related Questions


Find angle 1, if angle 2 = 56 and angle LJKL = 145

Answers

Answer:

89 degrees

Step-by-step explanation:

Take the whole angle JKL and subtract angle 2

A cell phone company offers two plans to its subscribers. At the time new subscribers sign up, they are asked to provide some demographic information. The mean yearly income for a sample of 39 subscribers to Plan A is $55,575 with a standard deviation of $8,970. For a sample of 29 subscribers to Plan B, the mean income is $59,475 with a standard deviation of $6,942.
At the .025 significance level, is it reasonable to conclude the mean income of those selecting Plan B is larger? Hint: For the calculations, assume the Plan A as the first sample.
The test statistic is ______. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)
The decision is _______
the null hypothesis that the mean of Plan B is larger.
The p-value is ______
(Round your answer to 2 decimal places.)

Answers

Answer:HI

Step-by-step explanation:HI

which expressions are equivalent to 4m+12. Chose all that apply

Answers

Answer:

✔️4(m + 3)

✔️6m - 2m + 12

Step-by-step explanation:

✔️4(m + 3)

4*m +4*3 (distributive property

4m + 12

Therefore, 4(m + 3) = 4m + 12

✔️6m - 2m + 12

4m + 12

Therefore, 6m - 2m + 12 = 4m + 12

✔️3m - m + 12

2m + 12

Therefore, 3m - m + 12 ≠ 4m + 12

✔️4(m + 12)

4*m + 4*12

4m + 48

Therefore, 4(m + 12) ≠ 4m + 12

Which expression represents the phrase?
"20 decreased by the sum of 6 and b."

Answers

Answer:

The answer is D.

Step-by-step explanation:

The phrase "20 decreased by the sum of 6 and b." means that since the word sum is the word for the result of two numbers being added together, it would make sense if you look at ( 6 + b ), and since you're also decreasing the result by 20, that would mean subtracting it by 20, so you get 20 - ( 6 + b ).

I hope this helps you :D

The three vertices of a triangle are (2, 1), (6, 1), and (3, 6).
What is the area of the triangle?

Answers

Step-by-step explanation:

To find the area of a triangle where you know the x and y coordinates of the three vertices, you'll need to use the coordinate geometry formula: area = the absolute value of Ax(By - Cy) + Bx(Cy - Ay) + Cx(Ay - By) divided by 2. This can help you do it.

Find the rule and the graph of the function whose graph can be obtained by performing the translation 4 units right and 3
units down on the parent function f(x) = xl.

Answers

Answer:

oh dayung neyece

Step-by-step explanation:

noh eye wownt because garebahge

Answer:

no tienes idea de lo que estoy diciendo, chico

Step-by-step explanation:

What is the simplified form of (11 - 6i) - (-4 - 12i)?

Answers

The answer is 15 -18i
Hopefully it’s right :)

Clayton's bank offered him a 4.5% interest rate for his mortgage. If he purchases 3 points, what will his new rate be?
A. 1.75%
B. 0.375%
C. 4.15%
D. 4.125%​

Answers

Answer:

4.125%

Step-by-step explanation:

Answer:

D. 4.125%

Step-by-step explanation:

Hope this helped!

233 + 628 I want this answer please
THX

Answers

Answer:

861

Step-by-step explanation:

Calculator

Answer:

861

Step-by-step explanation:

20 lbs $17.20
Which is the better buy? Explain using ratios
30 lb om $25.20

Answers

It’s only my 3rd day out here ion know

x/6-5=-13 .............................. . . . .

Answers

Answer:

-48

Step-by-step explanation:

Answer:

x=-48

Step-by-step explanation:

x/6-5=-13     Get x by itself

    +5   +5

x/6=-8    You can multiply 6 times -8 to find x

x=-48

7)
Which of the following points would fall on the line produced by the point-slope form equation y - 6 = 7(x + 4) when graphed?


(2, 20)


(-3, 13)


(0, -34)


(-1, 28)

Answers

Answer:

b (-3,13)

Step-by-step explanation:

simplify the equation into slope intercept form (y=mx+b) and then graph it

can someone help me please?

Answers

Answer:

The vera is incorrect.

Step-by-step explanation:

the answer will be 60cm not 48cm

Harry rolls 2 fair dice. What is the probability of both dice showing a factor of 12?

Answers

Answer:

25/36

Step-by-step explanation:

probability for 1 dice = 5/6

2 dice = 5/6*5/6 = 25/36

a bucket was 2/5 filled with water. a farmer then fills the bucket with another 4/10 more water. what fraction of the bucket is now full?

Answers

Answer:

8/10

Step-by-step explanation:

Robert wants to try some new chocolate chip cookie recipes. His current recipe calls for three and a half cups of flour for every bag of chocolate chips. He wants to determine which recipes require more or less flour than his current recipe. Sort the items into the diagram below.

Answers

Answer:

Step-by-step explanation:

so first u need to add all the numbers

-Bertha

When glass contains 8 oz how many full glasses are in 78 oz​

Answers

9.75 glasses or about 10 glasses

I'M BEGGING YOU. HELP ME. There is an image of the question.

Answers

Answer:

24 times greater

Step-by-step explanation:

48,000/2000

Please help . I will mark brainliest

Answers

Answer:

c: car b was 10 miles east of car a

Step-by-step explanation:

Answer:

Im pretty sure its A

Step-by-step explanation:

Justin needs to memorize words on a vocabulary list for Spanish class. He has 30 words to memorize, and he is two-thirds done. How many words has Justin memorized so far

Answers

Maybe around 1/3 or 10 words to memorize
Justin has memorized 20 words so far.
20/30=2/3

5 (2x+1) +4 (x+1)=12(x+2)​

Answers

Answer:

x=–/-4

Step-by-step explanation:

Let's solve your equation step-by-step.

5(2)(1)+4(x+1)=x+2

Step 1: Simplify both sides of the equation.

5(2)(1)+4(x+1)=x+2

5(2)(1)+(4)(x)+(4)(1)=x+2(Distribute)

10+4x+4=x+2

(4x)+(10+4)=x+2(Combine Like Terms)

4x+14=x+2

4x+14=x+2

Step 2: Subtract x from both sides.

4x+14−x=x+2−x

3x+14=2

Step 3: Subtract 14 from both sides.

3x+14−14=2−14

3x=−12

Step 4: Divide both sides by 3.

3x

3

=

−12

3

x=−4

Answer:

x=−4

what is the nearest number to 1000 but smaller than 1000 into which 38 will divide with no remainder​

Answers

Divide 1000 by 38:

1000/ 38 = 26.316

Use the whole number and multiply it by 38:

26 x 38 = 988

The number is 988


You deposit $2000 in a savings account that earns 7% interest
compounded daily.
What is the balance after 7 years?

Answers

Answer:

Around $18,000.

Step-by-step explanation:

there are 15 finalist in a singing competition. the top five singers receive prizes. how many ways can the singer finish first through fifth

Answers

Answer:

The singers can finish first through fifth in 360360 ways.

Step-by-step explanation:

The order of the singers is important, because they are ranked by positions. So we use the permutations formula to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

[tex]P_{(n,x)} = \frac{n!}{(n-x)!}[/tex]

In this question:

Top five singers, from 15 finalists. So

[tex]P_{(15,5)} = \frac{15!}{(15-5)!} = 360360[/tex]

The singers can finish first through fifth in 360360 ways.

Given n (x) = 8 [x]+2x+9, answer the following:
Find n(-x).


Answers

Answer:

x=-1

Step-by-step explanation:

Solve 8 = 2^x+ 4
Help meeee

Answers

Answer:x= 2,-2

Step-by-step explanation:

Answer: x=2

Step-by-step explanation:

Let set the equation up: [tex]2^{x}[/tex]+4=8 First we need to isoolate x so let subtract 4 from both sides.  

2^{x}=4Then take the sqr root of 4. [tex]\sqrt{4}[/tex]= 2 x=2

change 12 out of 40 to a percentage ​

Answers

12/40=.3
decimal two places back
30%
12 out of 40 to a percentage would be 12 divided by 40 which gives you a percentage of 30

what happens when you add two even numbers

Answers

Answer:

You get an even number

Step-by-step explanation:

2 + 2= 4

4 + 4= 8

6 + 6= 12

8 + 8 = 16

10 + 10 = 20

etc.

Solve for X
4
= 3
X + 9
Give your answer as an improper fraction in its simplest form.
X =

Answers

Answer:

x=  −5 /3

Step-by-step explanation:

The graph shows the price of
different lengths of two types of
rope.
If you buy $1.00 of each kind of
rope, which one will be longer?

Answers

Answer:

Nylon

Nylon has a longer x-input for its' y-output, so it is longer.

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