Mathematics High School

Solve the equation for y.
3x + jy= 7

Answers

Answer 1

Answer:

[tex]y=\frac{7-3x}{j}[/tex]

Step-by-step explanation:

First, subtract 3x. This leaves you with jy=7-3x. Then, divide by j, leaving you with [tex]y=\frac{7-3x}{j}[/tex] .

Related Questions

What set of numbers is arranged from largest to smallest? (Mind the blue on one of the answers)

Answers

Answer:

B

Step-by-step explanation:

it orders the negative things in the top right correctly because the bigger the negative number in the top right the lower the number is aka the greater of a negative number there is

The answer I got was B
Hope this helps:)

i need help on this please​

Answers

-6 answer to -4+(-2)

3 answer to 7+(-4)

After being exposed to an incredible shrinking machine, Halley's height decreased by 108 cm over 6 seco
by the same amount each second. How much did Halley's height change each second?
18 cm
B
108 cm
-18 cm
D
-108 cm

Answers

Answer:

it would be -18

Step-by-step explanation:

because you would divide 108 by 6 and you will get -18 each second

If G is the circumcenter of triangle ABC, find CG and FB. Round to the nearest tenth if necessary.
PLS HELP FOR GEOMETRY

Answers

9514 1404 393

Answer:

  CG = 19

  FB = 14.7

Step-by-step explanation:

The circumcenter is equidistant from the triangle vertices, so GA = GB = GC.

The length of GA is given, so we have ...

  GA = 19 = CG

__

Then the Pythagorean theorem can be used to find FB.

  FB² +FG² = GB²

  FB² = GB² -FG² = 19² -12² = 217

  FB = √217 ≈ 14.7

-8-x=x - 4x
How do I solve this

Answers

1. subtract 4x to x then uu would get -3x
2. add x on the left to the -3x on the right
3. then divide 8 by 2
4. get the answer X = 4

2x+7y=4 −2x−8y =−2 ​

Answers

Answer:

-y = 2.

Step-by-step explanation:

2x + 7y= 4

- 2x – 8y = -2  

Adding we eliminate   x because 2x + -2x = 0:-

0 - y = 4  + -2

-y = 2.

An exam worth 388 points contains 65 questions. Some questions are worth 4 points and the others are worth 8 points. How many 4 point questions are on the test?

Answers

Answer:

33 questions.

Step-by-step explanation:

Let x = 4 points questions.

Let y = 8 points questions.

Translating the word problem into an algebraic equation;

For the total number of questions;

[tex] x + y = 65[/tex] .........equation 1

For the total number of points;

[tex] 4x + 8y = 388[/tex] ..........equation 2

Given the following data;

Total number of questions = 65

Total number of points = 333

Solving the linear equation by using the substitution method;

Making x the subject in equation 1:

[tex] x = 65 - y[/tex] .......equation 3

Substituting "x" into equation 2;

[tex] 4(65 - y) + 8y = 388[/tex]

Simplifying the equation, we have;

[tex] 260 - 4y + 8y = 388[/tex]

[tex] 260 + 4y = 388[/tex]

Rearranging the equation, we have;

[tex] 4y = 388 - 260[/tex]

[tex] 4y = 128[/tex]

[tex] y = \frac {128}{4} [/tex]

y = 32 (For the 8 points question).

Substituting "y" into equation 3;

[tex] x = 65 - 32[/tex]

x = 33 (For the 4 points question).

Therefore, the number of 4 point questions on the test are 33 questions.

Please help me! Im making the first correct answer brainliest!

Answers

Answer:

The answer is most likely c.)

Step-by-step explanation:

It says that they sold 40 scarves and hats at the Winter Festival, but it never told us exactly how many hats total and how many scarves total that they sold. So we leave it as "s+h=40" Next we have the price of the scarves and hats, not the numbers sold. Since the scarves cost $18 and the hats cost $14, we know that a certain amount of each equals $700. Since we don't know the exact number of each that were sold, we leave it at "18s+14h=700." Sorry if you got a bit lost.

The answer is c it has to be

Anita buys a computer for $391 in a sale. The sale price is 15% less than the original price. Calculate the original price of the computer.​

Answers

Answer:

449.65

Step-by-step explanation:

391x.15=58.65

$58.65+$391= 449.65

6(c+3) – 4(c + 4)

please help what is the answerrrrrrrr????

Answers

Answer:

Step-by-step explanation:

6c + 18-4c + 16

Solving like terms

2c + 34

Answer: 2c + 2

6(c + 3) - 4(c + 4)

= 6c + 18 - (4c + 16)

= 6c + 18 - 4c - 16

= 2c + 2

Step-by-step explanation:

A baby crawls 2cm/min for 10 mins

Answers

Answer:

So....

Step-by-step explanation:

can you complete your answer please?

if this is asking how many cm the baby traveled in 10 mins, it would be 20 cm.

r +(-5)
Combine the like terms to create an equivalent expression ​

Answers

R-5 is the answer hope this helps

Part B
Joe recevied a large jug of antifreeze coolant that is labeled as containing 120
fluid Ounces. He needs to transfer the coolant into pint-sized bottles using the
conversion chart shown below. How many pint-sized bottles will he
need? Explain how you got your answer.
1 gallon (gal) = 4 quarts (at)
1 quart = 2 pints (pt)
1 pint = 2 cups (c)
1 cup = 8 fluid Ounces (fl oz.)
In the box below, write the number of pint-sized bottles he will need and
explain how you got your answer.
Y

Answers

Answer:

7.5,

Step-by-step explanation:

8 x 15 = 120

So 15 cups

And then since 2 cups equal a pint

15 divided by 2

Which is 7.5 pints

please help me........please:)​

Answers

Step-by-step explanation:

2/3 x 2/2 = 4/6

2/3 x 3/3 = 6/9

2/3 x 4/4 = 8/12

A caterer made 4 grilled cheese sandwiches, 7 ham sandwiches, and 6 turkey sandwiches. How many sandwiches did the caterer make in all?

Answers

17. Because 7 plus 4 equals 11 and if you add 6 you get 17

Answer: 17

Just add the Numbers together this is a Addition question.

7 + 6 + 4 Or However you want to do it The answer will always be 17 if u do it as 4 + 6 + 7 or however else just don't add different numbers.

May I Have brainliest?

Every 2.5 hours, a machine produces 150 baskets.



What is the unit rate of this proportional relationship? (Hint: You are trying to find how many baskets in one hour.)


60 baskets per hour
60 baskets per hour

2.5 baskets per hour
2.5 baskets per hour

25 baskets per hour
25 baskets per hour

16.6 baskets per hour

Answers

Answer:

60

Step-by-step explanation:

We use unit rate function,

Let h be hours

Let b be baskets

2.5h = 150b

We divide both sides by 2.5

2.5h/2.5 = 150b/2.5

Which will give us

h = 60



A new Youth Sports Center is being built in Pagosa Springs. The perimeter of the rectangular playing field is 236 yards. The length of the field is 2 yards less than

double the width. What are the dimensions of the playing field?

The width is yards

The length is yards.

Answers

Answer:

Width = 40 yards ; length = 78 yards

Step-by-step explanation:

Recall :

Perimeter of rectangle : 2 (length + Width)

Given that :

Perimeter = 236 yards

Let length = l ; width = w

Length = (2w) - 2

Hence ;

236 = 2[(2w - 2) + w]

236 = 2(2w - 2 + w)

236 = 2(3w - 2)

236 = 6w - 4

236 + 4 = 6w

240 = 6w

w = 240/6

w = 40 yards

Length = 2(40) - 2 = 80 - 2 = 78 yards

You have 50 quarters. You find 20​% more quarters in your room. Then you go shopping and spend 25​% of the total number of quarters. Write an expression to represent the total number of quarters you take with you shopping.​ Calculate, in​ dollars, the amount of money you have left.

Answers

Answer:

$11.25

Step-by-step explanation:

(50 points) Suppose the light pattern from a fog light can be modeled by the equation x^2/25 - y^2/9=1. One of the points on the graph of this equation is at (6, 3 sqrt 11/5), and one of the x-intercepts is -5. Which coordinate is not a point on the graph?

Answers

Answer:

Both points are on the graph

Step-by-step explanation:

Given function

x^2/25 - y^2/9 = 1

To find

Check if given points are on the graph (6, 3 sqrt 11/5) and (-5, 0)

Solution

Verifying the points are on the line by substituting values of x and y:

1.............................

6^2/25 - (3√11/5)²/9 = 136/25 - 11/25 = 125/25 = 11 = 1Correct

2.............................

(-5)^2/25 - 0^2/9 = 125/25 - 0 = 11- 0 = 11 = 1Correct

Answer:

B

Step-by-step explanation:

Edge 2021

Find the value of x so that f(x)=7.

Answers

Answer:

f(x) = 7 . x=1 .

Find the value of x. Then, find the measure of RQ. mRP mZRPO = (5x + 15) Given: = (9x + 17), mPQ = (6x - 12), 9x + 17 6x - 12 5x + 15

Answers

Answer:

the first one in your life with my name in your company is in fact the

(04.01) Which unit rate is equivalent to 13 miles per gallon? A: 26 miles 2 gallons. B: 2 gallons 26 miles. C 39 miles 4 gallons. D: 4 gallons 39 miles.​

Answers

Answer:

A 26 miles per 2 gallons

A. -2
B. -1/2
C. 1/2
D. 2

Answers

The correct answer is C

As an estimation we are told 5 miles is 8 km.
Convert 42.5 miles to km.

Answers

Answer:

Step-by-step explanation:

5 miles = 8km

42.5 miles = 42.5 x 8 = 340 km

3. Melanie collects coins from all over the world. She is reorganizing her collection into coins from Europe and coins from other parts of the world. After sorting the coins, she comes to the conclusion that six out of every ten of the coins in her collection come from Europe.
A. Write a ratio for the number of European coins to the total number of coins, the number of non-European coins to the total number of coins, and the number of European coins to the number of non-European coins

Answers

Answer:

Step-by-step explanation:

AIiwi

can you help me
3 – 7f = -25, f = ?

Answers

you’re answer is 4
3-7(4)=-25 so f=4

Answer:

f = 4

Step-by-step explanation:

A recipe says to use 4 cups of flour to make 56 cookies. What is the constant of proportionality that relates the number of cookies made, y, to the number of cups of flour used,x?

Answers

set up a proportionality and simplify the fraction...hope this helps :)

HELPP ME EMERGENCY


Six eggs weigh 240 grams. What is the constant of proportionality of
grams per egg?

Answers

Answer:

K=40

Step-by-step explanation:

240/6=40 grams and egg

check 6x40=240

Answer:  K= 40

Step-by-step explanation: divide 240 by 6 :)

240/6=40

Help me pleaseeeeeeeeeeeeeee

Answers

Answer:

it looks to be the second answer

Step-by-step explanation:

Which function represents a reflection of f(x) = 3 (2)* over the x-axis? O g(x) = -3(2) g(x) = (-2)" O g(x) === O g(x) = {(2)​

Answers

Answer: The answer is A on edgenity!

Step-by-step explanation:

Answer:A is right

Step-by-step explanation:

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