MATHEMATICS HIGH SCHOOL

Line A is represented by the following equation:x + y = 2

What is most likely the equation for line B so the set of equations has no solution? (4 points)

x + 2y = 2
2x + 2y = 4
2x + y = 2
x + y = 4

Answers

Answer 1
Answer: Line A : x + y = 2

The most likely equation for line B so that the set of equation has no solution is: 

x + y = 4

====

x + y = 2
x = 2 - y

2-y + y = 4
0 = 4 - 2
0 ≠ 2

there is no value for x nor y. so, no solution.
Answer 2
Answer:

Answer:

2x+2y=4

Step-by-step explanation:

Related Questions

Sins = 8x2 and = 2x + a find 5- o
At a local gardening store, a palm tree is 1.2 ft taller than acactus. The palm tree is 4.9 ft tall. Use the equation 4.9 = c + 1.2to find the height in feet, c, of the cactus. Show your work.
.51 as a fraction in simplest form
EASY MATH QUESTION PLEASE I NEED HELP! ​
A) Draw a number line from 0 to 2. Then draw and label the points 2 and 0.2. B) use the number line to explain why 2 is 10 times the value of 0.2​

Ryan earned $376 by working for 4 days if he earned the same amount each day how much could he earn working 5 days

Answers

the correct answer is 469. figure it out.
376 devided by 4 = 94
so 376 + 94 = 469
378 / 4 =94x5=470 There You Go

5 roses cost $55.what will 4 rosses cost?

Answers

44... 5 x 11 = 55. 4 x 11 = 44

The cost of a length of fabric is proportional to the number of yards purchased. The graph shows this relationship.What is the unit rate for cost per yard?

Answers

Unit rate means how much does it cost for 1 item for example...if you can download 2 songs for $5 how much did it cost to download 1 song...you would simply take $5 divided by 2 to get $2.50

In this case we have 5 yards of fabric for $18 so all we have to do is take $18 divided by 5 to find out how much just 1 yard costs.

so $18 divided by 5 is $3.60  so the unit rate cost per yard is $3.60 

to make sure this is correct you can check your answer like this.  If it is $3.60 for 1 yard how much would it be for 5 yards?  Multiply $3.60 and 5 if we get $18 then our answer is correct.  $3.60 x 5 does equal $18 so we were correct

A projectile is fired straight upward with an initial velocity of 400 feet per second. The height of the projectile, h(t), if represented by the function h(t)=-16t^2+400t, where t is the time in seconds. How long does it take the projectile to reach the maximum height?

Answers

Taking into account the definition of maximum, minimum and vertex of a quadratic function, it takes 12.5 seconds for the projectile to reach maximum height.

A quadratic function is defined in the form:

y= f (x) = ax² + bx + c

Every quadratic function has a maximum or a minimum, which is the vertex of the parabola. If the parabola has an upward concavity, the vertex corresponds to a minimum of the function; whereas if the parabola has concavity downwards, the vertex will be a maximum.

That is, if the coefficient a is positive the parabola is concave and the vertex will be a minimum of the function, while if a is negative the parabola will be convex and the vertex is a maximum.

The maximum or minimum is reached in xv=(-b)/(2a)  

The maximum or minimum value of y is obtained by evaluating the function at xv, this is, f (xv).

In this case, the function is:

h(t)= -16t² + 400t

where t is the time in seconds

Being a = -16 and b = 400, the value of a is negative, so the vertex will be the maximum.

You want to know the time it takes for the projectile to reach the maximum height, that is, the maximum in t. That is, you must calculate t using the expression: t=(-b)/(2a)

So: t=(-400)/(2x(-16))

Solving:

t=(-400)/(-32)

t= 12.5 seconds

It takes 12.5 seconds for the projectile to reach maximum height.

Learn more about cuadratic function with this examples:

Answer:

You can find the answer by using the formula x=-b/2a

Step-by-step explanation:

Remember the maximum height will be at the vertex. The x value of the vertex is your time, so use x=-b/2a. Then if it had also asked what the height was, you would plug that answer into your equation to find the y value of the vertex. Pretty sure your teacher is just asking you to find the x though:)

What is the equation of a line that passes through (1, 3) and has a slope of 2?

Answers

y=mx+bm=slopeb=y intercepty=2x+bsubsitute point(x,y)(1,3)x=1y=3subsitute3=2(1)+b3=2+bsubtract 21=bequationy=2x+1

Marlon asks a friend to think of a number from 5 to 11. What is the probability that Marlon’s friend will think of the number 9?

Answers

Answer:

P=(1)/(7)

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

Let

x---------> size of the event space

y-------> size of the sample space

P=(x)/(y)

In this problem we have

x=1 (because is only one number to think)

y=7 (there are 7 numbers between 5 and 11)

substitute

P=(1)/(7)
There are 7 numbers between 5 and 11 including 5 and 11. This means there is a one in seven chance of any number. The probability of o 9 is 1/7.
Other Questions
What adds up to 2 and multiplies to 9?what adds up to 6 and multiplies to 7? what adds up to 2 and multiplies to 7
3. Suppose you invest $5,000 in a continuously compounded interest account. After four years,your account balance was $6,230. What interest rate were you earning on this account? Convert your answer to percent and round your answer to the nearest tenth(one decimal place).
Which expressions are equivalent to 16x4 − 64? Check all that apply.16x4 + 16x – 16x – 6416x4 – 8x – 8x – 64(4x2 + 8)(4x2 – 8)16(x2 + 2)(x2 – 2)4(4x4 – 8)
You start a lawn care company with four friends. You agree to split the profits equally. The tools you need to buy cost $525. How much income will you have to earn to each make a profit of $400?