Given that 2 x − 9 y = 22 Find y when x = 7

Answers

Answer 1

Answer:

y = (-8)/9

Step-by-step explanation:

Solve for y:

14 - 9 y = 22

Subtract 14 from both sides:

(14 - 14) - 9 y = 22 - 14

14 - 14 = 0:

-9 y = 22 - 14

22 - 14 = 8:

-9 y = 8

Divide both sides of -9 y = 8 by -9:

(-9 y)/(-9) = 8/(-9)

(-9)/(-9) = 1:

y = 8/(-9)

Multiply numerator and denominator of 8/(-9) by -1:

Answer: y = (-8)/9

Answer 2

Answer:

-8/9

Step-by-step explanation:

2 x − 9 y = 22

x=7

2*7-9y=2214-9y=229y=14-229y=-8y= -8/9

Related Questions

Which expression is equivalent to a4⋅b2⋅a‐4⋅b4?

Answers

Answer:

[tex]b^6[/tex]

Step-by-step explanation:

a^4+-4 * b^2+4

a^0*b^6

I do not understand this math.

Answers

BRUHHHHHHHHHHHHHHHHHGGGGG
Probably 11.25 I don’t know I think it’s wrong.‍♀️

What is the radius of the circle if it has a circumference of 153.86153.86153, point, 86 units.

Answers

Answer:

24.49 units

Step-by-step explanation:

The circumference of the circle is 153.86 units.

The circumference of a circle is given as:

C = 2 * pi * r

where r = radius of the circle

Therefore:

r = C / (2 * pi)

=> r = 153.86 / (2* pi) = 24.49 units

The radius of the circle is 24.49 units.

Answer:

24.49

Step-by-step explanation:

please trust me and make me brainliest :0

What is the decimal multiplier to increase by 99%?

Answers

Answer:To work out the multiplier, first add or subtract the percentage from 100, then convert to a decimal. Example: we want to add 20% to £110. To work out the multiplier, add 20 to 100, to get 120, and then change it to a decimal (divide by 100) to get 1.2.

Step-by-step explanation:

The decimal multiplier of a number to increase by 99% will be 1.99.

What is the percentage?

The percentage is defined as a given amount in every hundred. It is a fraction with 100 as the denominator percentage is represented by the one symbol %.

The percentage is also called the indicating hundredths. Thus, 2% is two-hundredth, which means 2%=2/100=0.02.

Let's consider the number x.

To increase it by 20% we need to find 20% of it so 0.20x

Now, add this 20% to x so that it will increase by 20% as,

0.20x + x = 1.20x

Thus,to increase the number by 20% we need to multiply 1.20

Similarly to increase a number by 99% we need to multiply with 1.99.

Hence "The decimal multiplier of a number to increase by 99% will be 1.99".

For more about the percentage,

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Four different positive integers have a product of 110.
What is the sum of the four integers?

Answers

Answer:32.09

Step-by-step explanation:

Answer:

19

Step-by-step explanation:

To Find Out What are the four Positive Integers, Let's Prime Factorize 110:

110 = 1 × 2 × 5× 11

This means these are the four positive integers by multiplying which results in 110.

Now, The sum of these integers:

=> 1+2+5+11

=> 19

Which value of x would make TV lI Q5?
3
8
10
11

Answers

Answer:

3

Step-by-step explanation:

because the TV is the wrong answer and

What is the measure of ∠R?

Answers

Answer:

∠ R ≈ 36.9°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos R = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{RT}{RS}[/tex] = [tex]\frac{8}{10}[/tex] , thus

∠ R = [tex]cos^{-1}[/tex] ([tex]\frac{8}{10}[/tex] ) ≈ 36.9° ( to 1 dec. place )

could someone please help with these two questions (I WILL MARK BRAINLAST)
question 1: which of these points lies on the line y = -x + 2


question 2: evaluate: -ab-a if a=-4 and b =-5​

Answers

Answer:

1. b

2. -16

Step-by-step explanation:

1. -1+2 is equal to 1 so it works

You plug in each of the coordinates x and y variables on the graph and find one that satisfies the equation.

2. -(-4)(-5) is -20

-(-4) is = 4

-20+4 is -16

Isabella changes 700 euros to pounds sterling for her trip to England. The exchange rate is 1 euro = £0.72 How many pounds will she get?

Answers

Answer:

700/1=700

Th ratio is 700 times more so we multiply by 700

700 x 0.72 = 504

504 pounds

Hope this helps

Step-by-step explanation:

She will get 504 pounds by multiplying 700×0.72= 504.

What is the benefit of changing currency?

Official currency substitution helps to promote fiscal and monetary discipline and thus greater macroeconomic stability and lower inflation rates, to lower real exchange rate volatility, and possibly to deepen the financial system.

Can you change the currency at the bank?

Many banks offer currency exchange to their customers. Though there may be a small fee, your bank or credit union will almost always be the best place to exchange currency (and the cheapest).

Learn more about Currency here https://brainly.com/question/24373500

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Please help! Correct answer only, please! I need to finish this assignment this week. What are the dimensions of the matrix shown below? A. 3 X 15 B. 5 X 3 C. 15 X 3 D. 3 X 5

Answers

Answer:

3 x 5

Step-by-step explanation:

The dimension of a matrix is normally represented in form of:

number of rows x number of columns

In the given matrix, there are 3 rows and 5 columns.

=> The dimension of this matrix is 3 x 5

=> Option D is correct

Hope this helps!

In 20 words or fewer, describe the kind of relationship you see between the x-coordinates of the midpoint and the endpoint not at the origin

Answers

Answer:

Remember, if we have two points (x1, y1) and (x2, y2) we can draw a segment that connects those two points, and we can define the midpoint of those two endpoints as:

( (x1 + x2)/2. ((y1 + y2)/2)

if we are only in the x-axis, then y = 0.

in this situation one of the endpoints seems to be at the origin, and the other is a given value (X´. 0)

Then, the midpoint is:

( (Xp + 0)/2, 0) = (X´/2, 0)

Then, the relationship is:

"the value at the midpoint is half ot the value at the endpoint that is not at the origin"

If a shape is cut ______ to the base, then the cross section looks just like the base

Answers

Answer:

Triangle

Step-by-step explanation:

Answer:

perpendicular

Step-by-step explanation:

Since slope is calculated using the formula m = StartFraction v 2 minus v 1 Over x 2 minus x 1 EndFraction, the slope of both lines is equivalent to ________. It is given that the lines are parallel, and we calculated that the slopes are the same. Therefore, parallel lines have the same slopes.

Answers

Answer:

The product of these slopes is [(d-b)/(c-a)] × [(c-a)/(-d+b)] = -1

Proved: This product shows that the slopes are negative reciprocals

Question:

The complete question as seen on brainly ( question ID = 13270010):

Determine the missing information in the paragraph proof.

Given: Line PQ is rotated 90° counterclockwise to form line P’Q’. The lines are perpendicular. Line PQ contains the points (a, b) and (c, d). Line P’Q’ contains the points (–b, a) and (–d, c).

Prove: The slopes of perpendicular lines are negative reciprocals.

The slopes of lines PQ and P’Q’ can be determined using the formula m = StartFraction v 2 minus v 1 Over x 2 minus x 1 EndFraction

The product of these slopes is ________. This product shows that the slopes are negative reciprocals. It is given that the lines are perpendicular and we have shown that the slopes of the lines are negative reciprocals.

Step-by-step explanation:

Line PQ contains the points (a, b) and (c, d)

Line P’Q’ contains the points (–b, a) and (–d, c)

The two lines are said to be perpendicular.

For two lines are said to be perpendicular, the product of the slope of the two lines must be equal to -1.

Let's determine if it's true for this two lines.

Find attached the the diagram and explanations.

The product of these slopes is [(d-b)/(c-a)] × [(c-a)/(-d+b)] = -1

This product shows that the slopes are negative reciprocals

Answer:5

Step-by-step explanation:

is it a proportional relationship

Answers

Answer:

Yes

Step-by-step explanation:

What is the answer to these two boxes

Answers

Answer:

3 in green box

Step-by-step explanation:

Since you have 3x = 6, you must divide both sides by 3 to find x.

Each box needs a 3.

Answer:green box is 3 and grey box is 3 . The answer will be 2

Step-by-step explanation:

Solve by completing the square.

h2 + 24h + 19 = 0

Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.

Answers

Answer:

-23.18, -0.82

Step-by-step explanation:

h² + 24h + 19 = 0h²+2h*12+12²-125=0(h+12)²-√125²=0(h+12+11.18)(h+12-11.18)=0(h+23.18)(h+0.82)=0h+23.18=0 ⇒ h= -23.18h+0.82=0 ⇒ h= -0.82

Answer:

-23.18, -.82

Step-by-step explanation:

h^2 + 24h + 19 = 0

Subtract 19 from each side

h^2 +24h = -19

Take the coefficient of h

24

Divide by 2

24/2 =12

Square it

12^2 =144

Add this to both sides

h^2 +24h+144 = -19+144

(h+12)^2 =125

Take the square root of each side

sqrt((h+12)^2) =±sqrt(125)

h+12 = ±sqrt(125)

Subtract 12 from each side

h+12-12 = -12 ±sqrt(125)

h =-12 ±sqrt(125)

h = -12 - sqrt(125) = -23.18033989

h = -12 + sqrt(125) = -.819660113

To the nearest hundredth

-23.18, -.82

PLEASE HELP ME I WILL GIVE YOU 15 POINTS.

1. Find the simple interest you will obtain if you deposit $600 in bank for 9 months at 4 %per annum.


2. A man walks at a rate of 1.25 / . Find the time he takes to walk 3.75 km.

Answers

Answer:

(1) The formula to calculate simple interest (SI), with principal = 600$, annual rate = 4% = 0.04, and time = 9 months is:

SI = principal x rate x time

   = 600 x (0.04/12) x 9

   = 18$

(2) The formula to calculate the time that man walked 3.75 km, with rate of 1.25:

Time = Distance/Rate

         = 3.75/1.25

         = 3

Hope this helps!

At most, Alana can spend $40 on carnival tickets. Ride tickets cost $4 each, and food tickets cost $2 each. Alana buys at least 16 tickets. The system of inequalities represents the number of ride tickets, r, and the number of food tickets, f, she buys.
r + f ≥ 16
4r + 2f ≤ 40What is the maximum number of ride tickets she can buy?

Answers

Answer:

The maximum number of ride tickets is 4

Step-by-step explanation:

r = number of ride tickets

f = number of food tickets

r + f ≥ 16

4r + 2f ≤ 40

Using these as equations

f = 16  -r

Using this in the second equation

4r+ 2 (16 -r) = 40

4r +32 -2r = 40

2r +32 = 40

2r = 8

r = 4

The maximum number of ride tickets is 4

Answer:

a)  4

Step-by-step explanation:

edgen2020

Factor the expression X^4+6X^2 – 7 completely.

Answers

Answer: (x - 1)(x + 1)(x + 7)²

Step-by-step explanation:

x⁴ + 6x² - 7

find two numbers whose product is -7 and sum is +6    -->    -1 & 7

Those values go into the parenthesis: (x² - 1)(x + 7)²

Notice that (x² - 1) is the difference of squares  -->  (x - 1)(x + 1)

need help ASAP!!!
Find the sum of each infinite geometric series, if it exists​

Answers

The first series diverges because each successive term is getting multiplied by -3, so the common ratio is larger than 1 in magnitude.

Assuming the second series is

3 - 3/2 + 3/4 - 3/8 + ...

then it converges because the common ratio between terms is -1/2, which is less than 1 in magnitude.

To find the value of the sum, let S denote the n-th partial sum, i.e. the sum of the first n terms in the series:

S = 3 - 3/2 + 3/4 - 3/8 + ... + 3(-1/2)^(n - 2) + 3(-1/2)^(n - 1)

Multiply both sides by -1/2:

(-1/2) S = -3/2 + 3/4 - 3/8 + 3/16 - ... + 3(-1/2)^(n - 1) + 3(-1/2)^n

When we subtract S and (-1/2) S, we see all the middle terms canceling, and we can solve for S:

S - (-1/2) S = 3 - 3(-1/2)^n

S/2 = 3[1 - (-1/2)^n]

S = 6[1 - (-1/2)^n]

As n gets larger, the (-1/2)^n term will converge to 0, leaving us with

lim (n -> infinity) S = 6

so that the series converges to 6.

Multiply.
11 x 2 =
Submit
Is it 22

Answers

Answer:

yes

Step-by-step explanation:

Answer:

Yes...yes it is.

Step-by-step explanation:

Another way to help you see it is as adding 11 + 11, because the equation is stating that there are two 11's.

Please help with this question thank you!

Answers

Minimum 31 maximum 74 mean 56.3 median 52 range 43

help me pls if you the question

Answers

Answer:

[tex]90= 2 \times 3^2 \times 5[/tex]

Step-by-step explanation:

[tex]90= 2 \times 3 \times 3 \times 5[/tex]

[tex]90= 2 \times 3^2 \times 5[/tex]

Answer:

2,3,5

What does prime number mean?

=> A prime number is a number which can be written only as a product of 1 and itself.

Please see the attached picture

Hope it helps..

Good luck on your assignment..

Simplify:
5x^3 + 4x^3

Answers

Answer:

9x^3

Step-by-step explanation:

5x^3 + 4x^3

Since these are like terms

x^3 (5+4)

9x^3

Answer:

[tex]9x^3[/tex]

Step-by-step explanation:

[tex]5x^3 + 4x^3[/tex]

Add the like terms.

[tex]=9x^3[/tex]

La distancia de Urano al Sol es 2 870 990 000 km y la distancia de la Tierra al Sol es 1,496 × 108 km. Aproximadamente, ¿cuántas veces está contenida la distancia de la Tierra al Sol en la distancia de Urano al Sol?

Answers

Answer:

2,7204x 10^9

Step-by-step explanati

2870000000-

149600000

Solve for x
x/5 + 1 = 7​

Answers

Steps:

Step 1: Simplify both sides of the equation.

1 /5x+1=7

Step 2: Subtract 1 from both sides.

1/5x+1−1=7−1

1/5x=6

Step 3: Multiply both sides by 5.

5*(1/5x)=(5)*(6)

Description:

Since we are solving for x first steps is to Simplify both sides of the equation. Then subtract 1 from both sides. After that multiply both sides by 5 and you will get your answer. The correct answer for this question is x=30.

Answer: x=30

Please mark brainliest

Hope this helps.

The value of x from the given equation is 30.

The given equation is x/5 +1=7.

The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.

Here, x/5 +1=7

Transpose 1 to other side of the equation, we get

x/5 =7-1

x/5 = 6

Transpose 5 to other side of the equation, we get

x = 6×5

x = 30

Therefore, the value of x from the given equation is 30.

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Which graph represents an exponential function?

Answers

Answer:

The 1st Picture

Step-by-step explanation:

An exponential function is a base with an exponent of x. The parent graph f(x) will always have an asymptote at x= 0 and curve steeply.

Answer:

A

Step-by-step explanation:

took it a minute ago on edg

which equation has no solution
A l4x-2l=-6
B l-2-xl=9
Cl3x+6l=6
Dl-2x+8l=0​

Answers

Answer:

l4x-2l= -6  equation has no solution

Step-by-step explanation:

l4x-2l≥0

l4x-2l= -6  equation has no solution

Simply the expression [tex]\frac{x-7}{3} - \frac{5-x}{2}[/tex]

Answers

Answer: [tex]\frac{5x-29}{6}[/tex]

Step-by-step explanation:

To simplify the equation, we can just subtract the 2 fractions. First, we need to make sure they have a common denominator.

[tex]\frac{2(x-7)}{6} -\frac{3(5-x)}{6}[/tex]

Now that the fractions have the same denominator, we can distribute the numerator and subtract.

[tex]\frac{2x-14}{6} -\frac{15-3x}{6} =\frac{2x-14-15+3x}{6} =\frac{5x-29}{6}[/tex]

Can someone plz help me solve this problem I need help plz someone help me!

Answers

Answer:   25 < P < 36

              15/4 < w < 26/4

              35/4 < L < 46/4

Step-by-step explanation:

Perimeter is BETWEEN 25 and 36

           25 <    P    < 36

Graph:  O--------------O

            25              36

Perimeter = 2L + 2w  ; substitute L = w + 5        

             25 < 2(w + 5) + 2w < 36

             25 < 2w + 10  + 2w < 36

              25 <  4w + 10          < 36

               15 <           4w         < 26

               [tex]\dfrac{15}{4}[/tex] <             w         < [tex]\dfrac{26}{4}[/tex]

              [tex]3\dfrac{3}{4}[/tex]  <              w        <  [tex]6\dfrac{1}{2}[/tex]

Graph:     O------------------------O

              [tex]3\dfrac{3}{4}[/tex]                             [tex]6\dfrac{1}{2}[/tex]

Perimeter = 2L + 2w  ; L = w + 5   --> w = L - 5      

             25 < 2L + 2(L - 5)  < 36

             25 < 2L + 2L  - 10 < 36

              25 <  4L - 10        < 36

              35 <           4L      < 46

              [tex]\dfrac{35}{4}[/tex] <             L       < [tex]\dfrac{46}{4}[/tex]

              [tex]8\dfrac{3}{4}[/tex]  <            L      <  [tex]11\dfrac{1}{2}[/tex]

Graph:     O------------------------O

               [tex]8\dfrac{3}{4}[/tex]                          [tex]11\dfrac{1}{2}[/tex]

Note: Make sure you use OPEN dots when graphing.

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The Fabricating Department typically uses more maintenance hours in the month of November. Estimated usage in hours for the year and for the peak month is as follows: Yearly Monthly hours Peak Hours Assembly Department 4,300 210 Fabricating Department 6,900 1,050 Packaging Department 10,800 840 Total maintenance hours 22,000 2,100 Actual usage for the year by: Assembly Department 3,500 Fabricating Department 7,000 Packaging Department 10,000 Total maintenance hours 20,500 Required: 1. Calculate a variable rate for the Maintenance Department. Round your answer to the nearest cent. $ per maintenance hour Calculate the allocated fixed cost for each using department based on its budgeted peak month usage in maintenance hours. Department Peak Number of Hours Allocated Fixed Cost Assembly FabricationPackaging Total2. Use the two rates to assign the costs of the Maintenance Department to the user departments based on actual usage. 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Which of the following is the best synonym for the word "thesis?"conversationopinionevidenceclaim How does the characterization of Easton shapethe theme that life's problems and the passageof time can change people in unexpected ways?A)Although Easton and Miss Fairchildhave not seen each other in years,they immediately converse like oldfriendsB)Easton deceives Miss Fairchildduring the story and does not feelguilty about it.C)Easton takes advantage of themarshal's good nature by letting themarshal protect him.D)Although Easton is still charming, hehas adopted a way of life that wouldshock Mise airchild if she knew Look at the sentence and add the missing adjective:Mon cousin et ma cousine sont ________.1) sympas2) petites3) aimables4) egoste A list of financial statement items for Blue Spruce Corp. includes the following: accounts receivable $28,700; prepaid insurance $5,330; cash $21,320; supplies $7,790; and debt investments (short-term) $16,810. Prepare the current assets section of the balance sheet listing the items in the proper sequence. (List current assets in order of liquidity.