A system is described by the equations
2x + 3y = 10
4x + By = 20
For what value of B will the system have infinitely many solutions?

Answers

Answer 1
I got x=5/2 hope this helps:)

Related Questions

A shop sells matching hats and scarves. The scarves cost 1.5 times as much as the hats. Write 2 patterns that could represent the cost of 1,2,3,4,and5 hats and scarves list the first 5 terms of each pattern then write the cost of 6 hats and scarves using the patterns you wrote

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Given the question :

A shop sells matching hats and scarves. The scarves cost 1.5 times as much as the hats. Write 2 patterns that could represent the cost of 1,2,3,4,and5 hats and scarves list the first 5 terms of each pattern then write the cost of 6 hats and scarves using the patterns you wrote

Let cost of hats = h

Cost of scarves (s) = 1.5h

Hence of hat = $4 ; Scarve = 1.5 * 4 = 6

___________1__2___3___4___5

Cost of hat__ 4__8___12__16__20

Scarve cost__6__12__18__24__30

cost price * quantity sold

Cost of hat = 6 * $4 = $24

Cost of 6 Scarve = 6 * $6 = $36

Jessica completed 20 haircuts in 8 hours. On average how many haircuts per hour did Jessica do?

Answers

Answer:

two and a half

Step-by-step explanation:

you can’t have 2.5 because you can’t have half a person. It depends what your teacher thinks is acceptable

At the marget 8 apples cost 4 dollars how much does 9 apples cost

Answers

Answer:

 8 /4 = 2

answer: each apple cost 2$

Answer:

$4.50.

Step-by-step explanation: Since the market is selling 8 apples for $4, we can determine that one apple is 50 cents. Knowing that information, we can apply that same rule to 9 apples, resulting in a total of $4.50. Hope this answered your question.

A smoothie shop receives a delivery of 682 ounces of grape juice and 570 ounces of orange juice.

If the Royal Purple smoothie requires 22 ounces of grape juice and the Orange Tango smoothie requires 19 ounces of orange juice, how many more Royal Purple smoothies than Orange Tango smoothies can be made with the shipment of juices?

A 2 smoothies
B 1 smoothie
C 13 smoothies
D 3 smoothies

Answers

The answer is gonna be: A 2 smoothies

What is the value of x in the equation 8+4 = 2(x-1)?
5
11
2
13
2.
7

Answers

Answer:

x = 7

Step-by-step explanation:

x added to the sum of five and seven

Answers

Answer:

x + (5 + 7)

Step-by-step explanation:

I'm assuming you wanted that sentence put into an expression, right?

Drag the numbers to the correct locations on the image. Not all numbers will be used. Complete the synthetic division to find the quotient of 3x3 - 25x2 + 12x - 32 and x - 8

Answers

Answer:

quotient of 3x3 - 25x2 + 12x - 32 and x - 8 is 3x^2-x+4

The quotient of the polynomial is 3x^2 + x + 4.

What is synthetic division?

Synthetic division is used when a polynomial is to be divided by a linear expression and the leading coefficient (first number) must be a 1. Synthetic division is generally used, however, not for dividing out factors but for finding zeroes (or roots) of polynomials.

For the given situation,

The polynomial is 3x^3 - 25x^2 + 12x - 32.

The divisor is x - 8.

The quotient can be found by using synthetic division method as,

Step 1: Write the coefficients of the polynomial. Here x - 8 is a binomial, which divides the polynomial. So x = 8, write the division as

⇒ [tex]8 | 3 - 25 + 12 - 32\\[/tex]

⇒          [tex]24-8+32[/tex]

       [tex]--------\\[/tex]

        [tex]3-1+4[/tex]    [tex]|0[/tex]

Step 2: On dividing we get the quotient as [tex]3x^{2} -x+4[/tex]

Hence we can conclude that the quotient of the polynomial is             3x^2 - x + 4.

Learn more about synthetic division here

https://brainly.com/question/4372468

#SPJ2

I’ll give the Brainliest to who answers the question and also explain how they got the answer.

1. One number is four more than another number. The sum of the two numbers is sixty‐six. Find the two numbers. Explain.


2. One integer is eight less than another integer. The sum of the two integers is fifty. Find the integers. Explain.

Answers

Answer:

Step-by-step explanation:

#1

so 1st integer=35 and 1st integer=31

x=4+y

x+y=66

4+2y=66

2y=62

y=31

x=4+31

x=35

#2

1st integer = x 2nd integer = x - 8

(x) + (x - 8) = 50

x + x - 8 = 50

2x - 8 = 50

2x = 58

x= 29

so 1st integer = x = 29

and 2nd integer = x - 8 = 29 - 8 = 21

first answer came from https://brainly.com/question/13947765 by user Omniystic

Russ and Vickie are trying to solve this problem: There are 139 students taking buses to the museum. If each bus holds 24 students, how many buses will they need?

Vickie says the students need 5 buses. Russ says they need 6 buses. Who is correct?

They will need
_______buses.

So,
_____ is right.

Answers

Answer:

5 busses and vicke is right

Step-by-step explanation:

how long is 10% of a 24 hour day?

Answers

Answer: 2.4

hope this helps

Step-by-step explanation:

2.4 x 10=24

Answer:

0.1 days

calculated to 2.4 hours is 0.1 days hope this helps can I get brainliest

Step-by-step explanation:

A farmer paid $500 per month for deliveries over 10 months. For the other 2 months of the year, he paid $600 per
month. Which numerical expression can be used to find the total the farmer paid for deliveries this year?

Answers

Answer:

500(10) + 600(2)

Step-by-step explanation:

The temperature is 15 degrees and is expected to fall 2 degrees each hour during the night.write the linear equation that models this situation

Answers

Answer:

-2x+15

Step-by-step explanation:

15 is your starting point wich is your y-intercept.

-2 because it deacreases by 2 wich makes it negative

x is the variable for hour

what is 2493483 x 23822

Answers

Answer: 59,399,752,026

Step-by-step explanation: 2,493,483 · 23,822 =  59,399,752,026

Plz mark brainliest:)

Answer:

5.93998e10

Hope this help

The population of Landon Woods was 82,500 in 2000. In 2010, the population was 89,100. Which is the percent of change in the population?
oml yall i hate math-
i need help

Answers

Answer:

89,100/82,500=1.08

Take the numbers after the decimal point, the percentage of change in population is 8%

what is equivalent to -6(-2/3+2x)

A. -4 - 12x
B. -4 + 2x
C. 4 - 12x
D. 4 + 12x

Answers

It’s C because when you multiply -6 by -2/3 you get 4 and when you multiply -6 by 2x you get -12x therefore the answer is 4-12x

I would like to get some answers for my test but it's not letting me see the answers

Answers

Answer:

Show me the problem and I'll answer

Step-by-step explanation:

Answer:

Try re-loading your page

Step-by-step explanation:

At the top left corner of your pc where you would type a website (example Google . com)  your pc there should be an arrow it runs in a circle around to-itself, click that.

Which of the following are point-slope equations of the line going through
(-4,-7) and (3, 2)? Check all that apply.
PLEASSSEEE HELP I’VE BEEN STUCK ON THIS FOR A COUPLE OF DAYS .. 15 points

Answers

Answer:

The equations of the line are

y + 7 = [tex]\frac{9}{7}[/tex] (x + 4) ⇒ B

y - 2 = [tex]\frac{9}{7}[/tex] (x - 3) ⇒ E

Step-by-step explanation:

The point-slope form of the linear equation is

[tex]y-y1=m(x-x1)[/tex] , where

m is the slope of the line(x1, y1) is a point on the lineThe rule of the slope is  [tex]m=\frac{y2-y1}{x2-x1}[/tex]

∵ The line passes through points (-4, -7) and (3, 2)

x1 = -4 and y1 = -7

x2 = 3 and y2 = 2

→ Use the rule of the slope above to find it

∵ [tex]m=\frac{2--7}{3--4}=\frac{2+7}{3+4}=\frac{9}{7}[/tex]

The slope of the line is [tex]\frac{9}{7}[/tex]

→ Substitute the values of m and (x1, y1) in the form of the equation above

∵ y - -7 = [tex]\frac{9}{7}[/tex] (x - -4)

∴ y + 7 = [tex]\frac{9}{7}[/tex] (x + 4)

The equation of the line is y + 7 = [tex]\frac{9}{7}[/tex] (x + 4)

→ Substitute the values of m and (x2, y2) in the form of the equation above

∵ y - 2 = [tex]\frac{9}{7}[/tex] (x - 3)

The equation of the line is y - 2 = [tex]\frac{9}{7}[/tex] (x - 3)

→  Look at the answers to find the same equations

Answers B and E have the same equations

A rectangle has a length that is 4 ft more
than its width. What are the length and
width of the rectangle if the rectangle has
a perimeter of 48 ft?

Answers

Answer:

length = 14 width = 10

Step-by-step explanation:

48/4=12

10+10+14+14=48

Width = W = 10 ft

Length = L = 14 ft

P = perimeter = 48 ft

Explanation:


P rectangle = 2L+ 2W
L = W + 4
P = 48

Substitute into formula:
P rectangle = 2L + 2W
48 = 2( W + 4 ) + 2W
48 = 2W + 8 + 2 W
48= 4W + 8
48 - 8 = 4W
40 = 4W
W = 40/4 = 10
W = 10

The rectangle has a length that is 4 ft more than its width : L = W + 4

Substitute : L = 10 + 4 = 14
L = 14 ft

I hope this help!!!

John has 125 marbles. 35 are green; 40 are red; 20 are yellow and the rest are blue. What is the ratio of the blue marbles to all the marbles? *

40 to 30
6 to 25
25 to 6
35 to 125

Answers

Answer:

a

Step-by-step explanation:

ANSWER QUICKLY FOR BARIESS!!

Answers

Answer:

4x + 12 ≤ -8

Step-by-step explanation:

4, x blocks = 4x12, 1 positive blocks = 128, -1 blocks = -8Inequality sign: ≤ Put them together: 4x + 12 ≤ -8

I hope this helps!

HELP PLEASE !
Find the slope of the line on the graph. Reduce all fractional answers to lowest terms.

Answers

Answer: the slope would be 1/1.

hope this helps

What are the two points of a given slope?

Answers

Answer:

x1, y1

Step-by-step explanation:

Answer:

(x1,y1)

Step-by-step explanation:

Please help I need it ASAP!!!!
Thank you
2v^2+5v-7=0

Answers

Answer:

v=1

Step-by-step explanation:

The answers is v equals to 1

What is the solution to the system of equations?

(7, 9)
(9, 7)
(–5, 11)
(11, –5)

Answers

Answer:

(7, 9)

Step-by-step explanation: To solve this system, I would use addition.

To solve a system of equations by addition,

we need one of our variables to cancel out.

Notice that we have a 4x in our first equation.

If we had a -4x in our second equation, the x's would cancel.

To create a -4x in the second equation,

we must multiply the entire equation by -4.

So we have (-4)(x + 6y) = (61)(-4).

Rewriting this equation, we have -4x - 24y = -244.

Now let's rewrite both equations.

4x - 5y = -17

-4x - 24y = -244

_____________

Now when we add the equations together, the x's cancel.

So we're left with -29y = -261.

Now divide both sides by -29 and we have y = 9.

To find x, we plug a y back in for x in either equation.

So let's go with our second equation, x + 6y = 61.

Plugging a 9 in for y, we have x + 6(9) = 61 or x + 54 = 61.

Subtracting 54 from both sides, we have x = 7.

So x = 7 and y = 9 which we can write as the ordered pair (7, 9).

Answer:

A.  (7,9)

Step-by-step explanation:

Got it on edg

Which value of b would make x²+bx−20 factorable? ​

Answers

Answer:

x^2-bx-20

Step-by-step explanation:

"19" will be the value which make the equation "[tex]x^2+bx-20[/tex]" factorable.

The given equation is

→ [tex]x^2+bx-20[/tex]

By putting "19" in the above equation, we can solve the equation.

→ [tex]x^2+19x-20[/tex]

By applying factorization, we get

→ [tex]x^2+20x-x-20[/tex]

By taking common, we get

→ [tex]x(x+20)-1(x+20)[/tex]

→ [tex](x+20)(x-1)[/tex]

Thus the above answer is correct.

Learn more about factorization here:

https://brainly.com/question/16853183

Which scenario best expresses a 400% increase?

Answers

Answer:

I think its 9 to 45, b.

Step-by-step explanation:

because the a gets you a 39900% , and c gets you a 500%, and d gets you a 300%. So b is the only option that makes sense.

Answer:

9 to 45

Step-by-step explanation:

Based on her recipe Elana knows that 5 servings of granola have 1,750 calories. If she wants to eat 175 calories of granola how many servings should she eat

Answers

Answer:

she should eat half a serving.

Step-by-step explanation:

This is because one serving is 350 calories. We know this since 1,750 divided by 5 is 350. Half of 350 is 175. So half of one serving is 175 calories.

What is angle KNL

Enter your answer in the box
[]

Answers

102 is the answer on god

Answer:

20

Step-by-step explanation:

So in case you did not know, MNJ and KNL have the same angle measure, so to find x you would just set each of the eqautions equal to each other. distribute the 3 to (x + 14) and get 5x+  2 = 3x + 42. subtract 2 from one side and do the same on the other side. this would leave your eqaution looking like this: 5x-40= 3x, next subtract 5x from both sides and you will get  -2x=-40, then vide by -2 and x will equal 20

An engineer makes different-size samples of a new material.
The table shows volumes and the related masses. What would be the mass
of 100 cubic centimeters of the material? Of 500 cubic centimeters of the
material?

Answers

Answer:

The mass of 100 cubic centimeters of the material would be  

1,000 grams.

The mass of 500 cubic centimeters of the material would be  

5,000 grams.

Step-by-step explanation:

Write a description of the set,
{7, 8, 9, 10, ..
Choose the correct answer below
O A. All natural numbers greater than 6
OB. All natural numbers greater than 7,
O C. The numbers seven, eight, nine, and ten.
O D. All rational numbers greater than 6.

Answers

a. all natural numbers greater than 6

its this bc the "..." means it continues, and its greater than 6, not including 6

hope this helps!! <3

Write a description of the set,  {7, 8, 9, 10, ..} is:

All natural numbers greater than 6

Option A is correct

The given set is:

{7, 8, 9, 10, .........}

Natural numbers are counting numbers. They are positive integers

Rational numbers are numbers that can be written as ratio of two integers

The set shown is an infinite set. The beginning is 7 but the end is not included.

7, 8, 9, are natural numbers

Not all rational numbers are natural numbers are rational numbers

Therefore, the set contains all natural numbers greater than 6

Learn more here: https://brainly.com/question/18492947

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