2x+y=7 for y neeedd help

Answers

Answer 1

Answer:

y = -2x + 7

Step-by-step explanation:

Solve for y:

2x + y = 7

Add - 2x to both sides

2x + y - 2x = 7 - 2xy = 7 - 2x

or

y = -2x + 7

Related Questions

Olivia buys 4 masks that each cost the same amount
and a scarecrow, all for $176.75. If the scarecrow
costs $56.75, find out the cost of each mask cost.

Answers

Answer: $30.00 for each mask
Hope this helped!! :)
PLEASE MARK AS BRAINLIEST!

Assume that an investment of $9000 earns an APR of 6% compounded monthly for 18 months. How much money is in your account after 18 months?

Answers

The final balance is $9,845.36.
The total compound interest is $845.36.
If this is wrong, I do apologize.

Which equation represents a line that passes through -2,4 and has a slope of 2/5 need help Now

Answers

Answer:

y = 2/5x + 24/5

Step-by-step explanation:

y - 4 = 2/5(x - (-2))

y - 4 = 2/5(x +2)

y - 4 = 2/5x + 4/5

y = 2/5x + 4/5 + 4

y = 2/5x + 24/5

x^2-12x-6=-65 solve for x

Answers

Answer:

x

Step-by-step explanation:

x

Answer:

x = 6 + 4.796i  and  x = 6 - 4.796i

Step-by-step explanation:

For this problem, we will simply apply the quadratic formula to find the values of x.  The quadratic formula is as follows:

x = [-b +/- sqrt(b^2 - 4ac)] / 2a

Using the formula let's find the values of x.

x^2 - 12x - 6 = -65

x^2 - 12x - 6 + 65 = -65 + 65

x^2 - 12x + 59 = 0

The coefficient of x^2 is a, the coefficient of x is b, and the constant 59 is c.

Hence, for our formula we have the following values:

a = 1

b = -12

c = 59

x = [-b +/- sqrt(b^2 - 4ac)] / 2a

x = [-(-12) +/- sqrt( (-12)^2 - 4(1)(59) ) ] / 2(1)

x = [ 12 +/- sqrt ( 144 - 236 ) ] / 2

x = [ 12 +/- sqrt ( -92 ) ] / 2

x = [ 12 +/- sqrt ( -4 * 23 ) ] / 2

x = [ 12 +/- 2i sqrt(23) ] / 2

x = 6 +/- i sqrt(23)

Hence from the formula, we have two possible values for x, both complex solutions.  Note, i is an imaginary number.

x = 6 + i sqrt(23)  and  x = 6 - i sqrt(23)

x = 6 + 4.796i  and  x = 6 - 4.796i

Cheers.

One pound of candies costs $3.50.
a) How much will we have to pay for 3 lb?
b)How much will we have to pay for 4.5 lb?
c)How many pound of candies can be bought for $7?
d)How many pound of candies can be bought for $10.50?

Answers

Answer:

a). $10.50

b). $15.75

c). 2 POUNDS

d). 3 POUNDS

Step-by-step explanation:

Answer of  option (a)=$10.50 , (b)=$15.75 , (c)=2 pound , (d)=3 pound.

What is cost?

Cost is an amount to be spent to buy something or obtain something.

Given that,

The cost for one pound of candies is $3.50,

(a)  The coast For 3 pounds of candies = 3.50×3=10.50

(b) The coast For 4.5 pounds of candies = 3.50×4.50=15.75

(c) For $3.50 ,1 pound candies can be bought, so for $7 , 2 pound candies can be bought (Since 3.50×2=7)

(d) For 3.50 , 1 pound candies can be bought, so for $10.50 , 3 pound candies can be bought (Since 3.50×2=7)

To know more about Cost on :

https://brainly.com/question/13721026

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The radius of a circles is 5.24 ft. Determine the circumference of the circle.

Answers

Answer:

32,82 ft

Step-by-step explanation:

The formula for the circumference of a circle of radius r is C = 2πr.

In this case the circumference is C = 2π(5.24 ft), or approximately

32,82 ft


Which of the following exponential equations shows a reflection over the y-axis, a vertical
stretch by a factor of 2, and horizontal shift right 1.
a. y = -2(4)* – 1
b. y = -2(4):-1
c. y = 2(4)-x-1
d. y = 4(2)-x-1

Answers

Answer:

we are given

parent function as

(1)

vertical stretch of factor 2

so, we can multiply y-value by 2

then a shift right of 3 units

so, we can replace x as x-3

(2)

a shift left by 2 units

we can replace x as x+2

then a horizontal shrink factor of 1/2

so, we can multiply by 2 to x-value

then a shift down of 5 units

we can subtract y-value by 5

so, we get

(3)

a shift to the right 1 unit

we can replace x as x-1

stretched vertically by a factor of 1/2

we can multiply y-value by 1/2

then is shifted down 4 units

we can subtract y-value by 4

(4)

reflected across the x-axis

we can multiply y-value by -1

tretched vertically by a factor of 3

multiply y-value by 3

shifted left 7 units

we can replace x as x+7

Step-by-step explanation:

77777777777777777777777777777

What is answer in this question.

Answers

Answer:

A line segment congruent to PQ

The lines below are parallel. If the green line has a slope of 3, what is the
slope of the red line?

Enter your answer as an integer or a fraction in lowest terms.

Answers

Answer:

3

Step-by-step explanation:

Parallel lines have the same slope.

Please help thank you!

Answers

Answer:

Elimination  

Step-by-step explanation:

You can just multiply the bottom equation by 2 and it would cancelled out the ys.

Answer:

Elimination

Step-by-step explanation:

It is elimination because when you eliminate you are adding or subtracting to get one variable. For example, you would do 10y-5y= 5y and 14 + 4 = 18

Did this help!?

from the given set of numbers which is an odd one out, 2,6,28,23,7,64​

Answers

It’s 7 I think........

help please this is timed

Answers

Answer:

i think (-3,3)

Step-by-step explanation:

plz make brainliest answer and follow and like

Find the area of the parallelogram 8cm 14cm 9cm

Answers

Just multiply the sides and then add them up

Some of the other shades of paint are more yellow than others. Which mixture(s) are the most yellow? chiesta haces of this paint are more yellow Explain your reasoning.​

Answers

9514 1404 393

Answer:

  2, 5, 6

Step-by-step explanation:

If we number the mixes 1-6 from top to bottom, then the fraction of the total that is yellow is ...

  1. 1/(3+1+2) = 1/6

  2. 2/(5+2+3) = 2/10 = 1/5

  3. 2/(6+2+4) = 2/12 = 1/6

  4. 4/(12+4+8) = 4/24 = 1/6

  5. 6/(15+6+9) = 6/30 = 1/5

  6. 8/(20+8+12) = 8/40 = 1/5

Mixes 2, 5, and 6 are the most yellow.   (1/5 > 1/6)

What is the solution to this equation?
4x=32
O A. X9
O B. x = 28
O C. X = 128
O D. X= 8

Answers

Answer:

4x=32

or,x=32/4

therefore,x=8

Answer:

it is D because you would need to divide both numbers by 4 to get x by itself and 32 divided by 4 is 8 so X=8

Step-by-step explanation:

Hope this helps!!

80 points! Answer quick and ill give brainleist!

Answers

Answer:

im in 8th grade and can't do that math

Step-by-step explanation:

i dont understannnddd

b & d maybeeeeeee .

hope this helps

A fruit bowl contains 2 bananas, 5 oranges, and 4 apples.Using the same fruit bowl, Carol wrote the ratio 5\11 .What could Carol's ratio represent?

Answers

Answer:

5 of the 11 fruit are oranges

Step-by-step explanation:

Answer:

I know who you are your doing a test

Step-by-step explanation:

3. A local fast food restaurant takes in $9000 in a 4 hour period. Write a direct variation equation
for the relationship between income and number of hours. Estimate how many hours it would
take the restaurant to earn $20,250.

Answers

it would take about 9 hours

Find the perimeter of the following polygon. Be sure to include the correct unit in your answer.
15 m
1
mm
15 m
17 m
km
9 m
12 m

Answers

Answer:

489 km is the perimeter

Step-by-step explanation:

mark me BRAINLIEST

HELP!!!!! WILL MARK BRAINLIEST 10 POINTS

Answers

Josh is incorrect, he did not examine the expression correctly, therefore his answer was wrong.

Damarius is making some big life decisions! He decides it's time to start saving for his future and deposits $300 each month at 4.1% annual interest, compounded monthly, for 30 years. At the end of 30 years, he has an account balance of $211,966.64. How much of this did Damarius contribute and how much of this is interest?

Answers

Answer:

$108,000

$103,966.64

Step-by-step explanation:

Damarius contributes $300 each month, for 30 years. Therefore, to find the amount he contributed, we multiply those pieces together (12 months in each year).

300⋅12⋅30=$108,000

Therefore, over the 30 years, Damarius contributed $108,000.

If there was $211,966.64 in his account, and he contributed $108,000, then the rest is interest.

$211,966.64−$108,000=$103,966.64

There was $103,966.64 in interest earned on Damarius' account.

Five people bought tickets for the school play for a total of $65.75. If each ticket was the same price, how much was the cost of each ticket?

Answers

Answer:

13.15 is ur answer hope this helped!

each ticket costs $13.15

the cost of an afternoon movie ticket last year was $5.00. this year an afternoon movie ticket costs $6.00. what is the percent increase of the ticket from last year to this year ?

a. 10%
b. 20%
c. 25%
d. 40%

Answers

1/5=0.2*100%=20%
The percentage increase is 20%

A cylinder has a radius of 1 inch and height of 1 inch.

What is the approximate volume of the cylinder? Round to the nearest hundredth. Use 3.14 for π.

1.05 cubic inches
1.57 cubic inches
3.14 cubic inches
6.28 cubic inches

Answers

Answer:

3.14, confirmed on Edge

Step-by-step explanation:

Since this cylinder has a radius of 1 inch, its volume is equal to 3.14 cubic inches.

Given the following data:

Radius of cylinder = 1 inch.

Height of can = 1 inch.

[tex]\pi =3.14[/tex]

How to calculate the volume.

Mathematically, the volume of a cylinder is given by this formula:

[tex]V = \pi r^2h[/tex]

Where:

h is the height.r is the radius.

Substituting the given parameters into the formula, we have;

[tex]V = 3.14 \times 1^2 \times 1\\\\V=3.14 \times 1[/tex]

V = 3.14 cubic inches.

Read more on cylinder here: brainly.com/question/21367171

3,269-round to the Nearest hundred

Answers

It would be 3,300 because 6 is greater then 5 meaning you round up.

I'm confused
What is the answer​

Answers

It’s none because The graph doesn’t shows all the points from the chart

Maria took a taxicab from her home to the theater
downtown. The taxicab company charges a flat fee of $5.00
plus $0.25 per mile. Which equation represents C, the total
cost of her ride, in terms of m, the length of the trip in
miles?

Answers

Answer:

The answer is the third option, C = 5 + 0.25m

Step-by-step explanation:

We already know that the official price for the taxi is 5 dollars, so we aren't multiplying that value by anything.

However, the text mentions that for each mile, Maria is taxed an extra .25 cents. Therefore, you have to add the base amount, 5, plus the 25cent with the m next to it to symbolize that however many miles she goes, the 25 cents will be multiplied by that value.

What is the value of the expression below when z = 10 and w = 7
10z + 9w

Answers

Answer:

163

Step-by-step explanation:

10(10)+9(7)=

100+63=163

Answer:

163

Step-by-step explanation:

If z=10 and w=7.

10z+9w [writing the equation again for reference purposes]

10(10) + 9(7) [we substitute each variable with its defined value]

100 + 9(7) [we multiply 10 and 10, aka 10 and z]

100 + 63 [we multiple 9 and 7, aka 9 and w]

163 [we add 100 and 63 to get our final answer]

Malik considers the enkargement of the trapezoid
25 cm
10 cm
18 cm
x cm
What is the correct cross product that he should use to solve for the missing dimension?
(10)(25) 186
(10)(18) - 250
(18)(25) - 10
(18)(20) 18

Answers

Answer:

it should be D thx

Step-by-step explanation:

A 10-foot ladder is placed 4 feet from the edge of a building. How far up the building does the ladder reach. Round your answer to the nearest tenth of a foot.

HELP ME, ILL GIVE YOU ALOT OF POINTS!! AND BRAINY AWARD!!

Answers

Answer:

a = 9.2

Step-by-step explanation:

a^2+4^2= 10^2

a^2 + 16 = 100

a^2 = 84

a = 9.2

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