if y-x=4 and x is three times the value of y, what is the value of x + y?

A) -8
b) -4
c) 0
d) 6
e) 8

Answers

Answer 1

Answer:

E = 8

Step-by-step explanation:

y - x = 4

y - (3y) = 4

y - 3y = 4

2y = 4

y = 4/2

y = 2

x = 3y

x = 3×2

x = 6

x + y = 2+6

x+y = 8


Related Questions

Well my question says Mona 28.086 seconds. Ashley 27.23 Seconds what's the difference of times second

Answers

Answer:

0.856 seconds

Step-by-step explanation:

just subtract mona's time from ashley's

phineas has more jolly ranchers than alan. if alan has 10 jolly ranchers how many do they have in total

Answers

Answer:

We cannot know.

Step-by-step explanation:

It only mentions that Phineas has more jolly ranchers than Alan. Since Alan has 10 jolly ranchers, the number of jolly ranchers Phineas could have is 11, 12, 13, 14... and so on. Phineas could have 1 billion jolly ranchers.

How many times larger than 2x10^3 is 6x10^6?

Answers

Answer: 5,998,000

Step-by-step explanation:

2x10^3= 2,000

6x10^6= 6,000,000

In translation, Use 1 x The Initial SIG FIGS, or first numbers. 10x10 is 100, and notice how 10 and 10 have 2 zeros, so 1x1 = 1 +00 is a way to construct the number.

In this case, the 10^x, the x can represent the number of zeros after our first value.

So, 6 + six zeros, or 6,000,000

and, 2 + 3 zeros, or 2,000

To find the difference, subtract the numbers from eachother and extract the absolute value, (meaning the final answer won't be negative).

So, 6,000,000 - 2,000 = 5,998,000, which is the answer to the prompt!

Hope this Helped!

please help. will mark brainliest

Answers

Step-by-step explanation:

since it is a straight line .

angle 4+ angle 5 = 180

40+ angle 5 = 180

angle 5 = 140

Answer:

A. 140

Step-by-step explanation:

well, one way to look at it is that ∠4 + 5 = 180

we are GIVEN the info that ∠4 = 40

therefore 180 - 40 - ∠5

180 - 40 = 140

the car ride from kileys house to the airport

Answers

What is the question on this?

Answer:

this question provides no content for me to answer but i want the points and i will be taking them Thankyou!

Step-by-step explanation:

here is the same sentence translated in spanish

el viaje en coche desde la casa de kileys hasta el aeropuerto

​Banana chips sell for 44¢ per 100 g.
How much would 450 g of banana chips cost?

Answers

Answer:

198 cents or
1.98 dollars

Step-by-step explanation:

Who Is The Father Of Math?

Answers

Answer:

The father is Archimedes

Brainliest!!

Archimedes is the father of math. :)

A person's paycheck varies directly as the number of hours worked. Bill received $75 for 15 hours. How much would he receive for working 32 hours?​

Answers

Answer:

$160

Step-by-step explanation:

75/15=5 which means he makes $5 per hour

5*32=160

PLEASE ANSWER - BRAINLIEST IF 2 ANSWERS - 5 STAR RATING - THANKS (PROFILE TOO)
The formula for the volume of a cylinder is
V = πr2
h, where r is the radius and h is the height.
A cylinder has a radius of 3 cm and a height
of 10 cm.
Which of the following is closest to the volume
of the cylinder?
a. 188 cm3
b. 283 cm3
c. 888 cm3
d. 8882 cm3

Answers

Answer:

b. 283 cm3

Step-by-step explanation:

V = pi * r^2 * h

V = 3.14 * 3^2 * 10

V = 282.6  rounded to 283cm3

A waiter earns $128 for 6 hours
of work. The total included $86 in
tips. How much does the waiter
earn each hour?
with an equation

Answers

Answer:

$21.33

Step-by-step explanation:

If the waiter earns $128 for 6 hours, divide 128 by 6.

21.33...

4. The length of a rectangle is 18 centimeters and the width is 6 centimeters. A similar
rectangle has a width of 10 centimeters. What is the length of the missing side?

Answers

Answer:

30 cm

Step-by-step explanation:

So what we are given here is a case of similar figures.

When we are given similar figures, the ratio of the width of both figures should be similar to the ratio of the length of both figures.

I'll demonstrate it in the following problem.

We know one rectangle has a length of 18 cm and a width of 6cm.

The other rectangle has a width of 10 cm.

Let's take a ratio of the width of both rectangles.

We take the width of 6 cm for the first rectangle to the width of 10 cm for the second rectangle.

w1 = 6 cm

w2 = 10 cm

6 cm : 10 cm = 3 : 5

The ratio given is 3 : 5. Let's use these ratios to find lengths.

l1 = 18 cm

l2 = x cm

3 : 5 = 18 : x

To find x, we just solve this like an equation, where we let ratios be division signs.

3/5 = 18/x

Multiply both sides by 5x

3x = 90

Divide both sides by 3

x = 30 cm

The length of the missing side is 30 cm. We found the answer to the length by using the ratios obtained from the widths.

Solve: (x + 1)(x ^ 2 - 5x + 10) - 12 = 0​

Answers

[tex]~~~~~(x+1)(x^2 -5x +10) -12= 0\\\\\implies x^3 -5x^2 +10x +x^2 -5x +10 -12 =0\\\\\implies x^3 -4x^2 +5x -2 =0\\\\\implies x^3 -2x^2-2x^2+4x+x-2=0\\\\\implies x^2(x-2)-2x(x-2)+(x-2)=0\\\\\implies (x-2)(x^2 -2x +1)=0\\\\\implies (x-2)(x-1)^2 = 0\\\\\implies x =2 , ~~ x = 1[/tex]

Does anybody know this?

Answers

Answer:

here you go , all four completed, took me some time , hipe i was able to help you out tho

(NO BOTS) NO TROLLS) help me with this answer!
(WILL BE REPORTED)

Answers

Answer:

2nd one

Step-by-step explanation:

Answer:

[tex]\frac{35}{7} =\frac{70}{14} =\frac{105}{21} =\frac{140}{28} =\frac{5}{1}[/tex]

Step-by-step explanation:

The unit rate is x:1, like 60 miles to 1 hour, or 60/1. To find the answer, put the number of textbooks over the number of students and then simplify the fractions- you will see that they all boil down to 5/1, or 5 textbooks per 1 student.

At a candy store you could get 3 giant lollipops for $4.89. How much would it cost to buy 10 lollipops?

Answers

Answer:

16.3

Step-by-step explanation:

they are each 1.63 hope this helps pls mark as brainiest

Answer: $16.30

Step-by-step explanation:

$4.89÷3= $1.63

$1.63×10= $16.30

When paying for higher education, scholarships and grants can be considered _____.

a)liquid assets

b)free money

c)easy money

d)sound investments

Answers

Answer:Liquid assets

Step-by-step explanation: Can be valued as cash

When paying for higher education, scholarships and grants can be considered liquid assets. Hence, option A is correct.

What is liquid assets?

Liquid assets are assets that can be quickly converted into cash. Although while your assets are valuable possessions that may be traded for cash, not all of them can be sold immediately away for cash or without suffering a loss. A common liquid asset is cash.

Liquid assets include cash on hand, cash stored in a bank, and possessions that can be quickly and readily converted into cash. Common liquid assets include shares, bonds, certificates of deposit, and stocks.

No, an automobile is not considered to be a liquid asset. A car is regarded as a tangible asset that depreciates over time, is more difficult to sell, and is more subject to market swings. It is also challenging to make a quick turn.

Thus, option A is correct.

For more information about liquid assets, click here:

https://brainly.com/question/29760652

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If Mary paid $20.44 for 7.3 pounds of strawberries, what was the price of 1
pound of strawberries?

Answers

Answer:

$2.31

Step-by-step explanation:

Find the product of (x − 3)^2.
x^2 + 6x + 9
x^2 − 6x + 9
x^2 + 9
x^2 − 9

Answers

The answer is B :)
Have a nice day

A line intersects the points
(12, -2) and (6, -8).
What is the slope of the line in
simplest form?
m = [?]

Answers

Answer:

1

Step-by-step explanation:

The formula for slope is y2 - y1 over x2 - x1.

-8--2 = -6

6-12= -6

-6/-6 = 1

In julie's class there are 18 girls and only 6 boys. What percent of the class are boys?

Answers

Answer:

25%

Step-by-step explanation:

18+6=24

[tex] \frac{6}{24} [/tex]

6÷24=0.25

0.25×100=25%

Can someone help me with this, please?

Answers

Answer:

P(pink) = 0.225

Step-by-step explanation:

We should ignore the spinner picture because it is a trick!

We need to use the data provided in the table

We need to find the probabilty of getting pink out of all the colors:

[tex]\frac{pink}{purple\ +\ pink\ +\ yellow\ +\ blue} = \frac{9}{12\ +\ 6\ +\ 9\ +\ 13}\\ = \frac{9}{40} = 0.225\ \ (22.5\%)[/tex]

We use the probability notation:

P(pink) = 0.225

Solve for t.

–17 = –9 + 4t

Answers

Answer:

[tex]\boxed{\sf{t=-2}}[/tex]

Step-by-step explanation:

To solve for t, you have to isolate it on one side of the equation.

-17=-9+4t

First, you have to switch sides.

→ -9+4t=-17

Add by 9 from both sides.

[tex]\Longrightarrow: \sf{-9+4t+9=-17+9}[/tex]

Then, you solve it.

-17+9=-8

4t=-8

Divide by 4 from both sides.

[tex]\sf{\dfrac{4t}{4}=\dfrac{-8}{4}}[/tex]

Solve.

Divide the numbers from left to right.

-8/4=-2

[tex]\Longrightarrow: \boxed{\sf{t=-2}}[/tex]

Therefore, the correct answer is t=-2.

I hope this helps. Let me know if you have any questions.

Answer:

[tex]t = -2[/tex]

Step-by-step explanation:

Step 1:  Add 9 to both sides

[tex]-17 = -9 + 4t[/tex]

[tex]-17 + 9 = 4t - 9 + 9[/tex]

[tex]-8 = 4t[/tex]

Step 2:  Divide both sides by 4

[tex]\frac{-8}{4} = \frac{4t}{4}[/tex]

[tex]-2 = t[/tex]

Answer:  [tex]t = -2[/tex]

Find the value of k for which the equation x2+k(2x+k-1)+2=0 has no real roots.
Please answer it properly. Thank you.

Answers

Answer:

Please find the answer attached :)

Help and show work please!!

Answers

Answer:

Between 9 and 10

Step-by-step explanation:

I just multiplied 2/3 by 14

Does that help?

Answer:

C

Step-by-step explanation:

first do 14/1 times 2/3

it will be 28/3, then divide that

it should be 9.3 repeating

which is in the range of 9 and 10

I NEED HELP PLEASE!!!!!
What's the answer to the question below?
A penny weighs 2.5 grams while a dime weighs about 2.27 grams. How much do a penny and two dimes weigh?

Answers

Answer:

[tex]\huge\boxed{\sf 7.04\ grams}[/tex]

Step-by-step explanation:

A penny = 2.5 grams

A dime = 2.27 grams

2 dimes = 2.27 × 2 grams

             = 4.45 grams

Weight of a penny and 2 times:

= 2.5 + 4.54

= 7.04 grams

[tex]\rule[225]{225}{2}[/tex]

Which system of equations is represented by the graph?

one parabola opening upwards and one parabola opening downwards intersecting at points (2, 12) and (-2, 12)

y = x2 + 4x

y = –x2 + x + 12
y = x2 – 8

y = –x2 +16
y = x2 + 8

y = –x2 + 16
y = x2

y = –x2 – x –16

Answers

Answer:

See below

Step-by-step explanation:

Find the value of y when x = 2 or x = -2 to determine the system

It is easy to calculate and confirm the correct equations

y = –x² + 16y = x² + 8

See the attached to verify the answer

Check option C

y=-x²+16

Put (2,12)

12=-(2)²+16=-4+16=12

And

y=x²+8

Put(-2,12)

12=(-2)²+8=4+8=12

Hence verified

Option C is correct

Kim was 11 years old seven years ago.
How old is she now? Write the equation
and solve.

Answers

Answer:

She would be 18 years old.

Step-by-step explanation:

Since she was 11 years old 7 years ago, the equation would be:

11+7=18

Answer:

The answer is 18

Step-by-step explanation:

11+7=18

If kim was 11 years old 7 years ago then you add the years it has been ago and then you get your answer 18

Please consider Brainliest for my answer is correct

A bag contains 6 blue marbles, 2 red
marbles, 4 yellow marbles, and 8 green
marbles. What is the probability of drawing
a red marble at random from the bag?

Answers

It would be 2/20 or if you want the simplified version, it’s 1/10.
Answer:
Here we have to use combination because the marble is chosen at random.
Probability = x/total
x= 2C1 =2
Total= 20C1 =20
Probability = 2/20 = 1/10
HOPE THIS HELPS :)

Write an equation in slope-intercept form for the line that is parallel to y=x−6 and that passes through the point (−5,−6).

Answers

Answer:

Equation: y = x - 1

a slope of 1, and a y-intercept of -1

Step-by-step explanation:

Given: y = x - 6

Slope-Intercept Form: y = mx + b -

where:

m is the slopeb is the y-intercept (when x = 0)

Note: parallel lines have the same slope

1. Determine the slope and y-intercept of the given equation:

⇒ y = x - 6 has a slope of 1, and a y-intercept of -6

2. Find the equation of the line parallel line that passes through the point (-5,-6):

⇒ y = x + b [substitute -5 for x and -6 for y]

⇒ -6 = -5 + b [add 5 to both sides]

⇒ -6 + 5 = -5 + 5 + b

⇒ -1 = b

Equation: y = x - 1

3. Check your answer using point (-5, -6):

⇒ y = x - 1

⇒ -6 = -5 - 1

⇒ -6 = -6 ✔

This statement is correct

Therefore, the equation of the line is y = x - 1

Part F About what is the average change in distance for each increase of 1 in the iron number ? What does this mean in terms of the situation?

Part D
What is the y-intercept of the correct graph? What is the y-intercept of the incorrect graph? Are the y-intercepts the same?

Answers

The average change in distance for each increase of 1 in the iron number is -10, and the y-intercept of the graphs are not the same

The average change in distance?

From the graph, we have the following points:

(x,y) = (4, 145) and (3,155)

The average change in distance is calculated using:

[tex]m = \frac{y_2 - y_1}{x_2 -x_1}[/tex]

So, we have:

[tex]m = \frac{155 - 145}{3 - 4}[/tex]

Evaluate

m = -10

Hence, the average change in distance for each increase of 1 in the iron number is -10

What the average rate in (a) represents?

The rate, -10 in (a) means that:

The distance decreases by 10 yards for each number of iron

The y-intercept

The y-intercept is the point where the graph crosses the y-axis

From the attached graphs, we have:

The correct graph has a y-intercept of 185The incorrect graph has a higher y-intercept (195)

Hence, the y-intercept of the graphs are not the same

Read more about linear regression at:

https://brainly.com/question/17844286

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