Given the domain {-5, 0, 5}, what is the range for the relation 2x+y=1

Answers

Answer 1
Answer: The domain x ∈ {-5; 0; 5}
the relation: 2x + y + =1 → y = 1 - 2x

Put the values of x from domain to the equation of the relation:
for x = -5 → y = 1 - 2(-5) = 1 + 10 = 11for x = 0 → y = 1 - 2(0) = 1 - 0 = 1for x = 5 → y = 1 - 2(5) = 1 - 10 = -9
Answer: {-9; 1; 11}



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7.2 x 12 x 0.23 = ? Round to the nearest hundredth.A. 19.88B. 19.87C. 19.44D. 19.43

What does 3b= ??????????

Answers

Answer:

3 bytes

Step-by-step explanation:

mhm cause yes ueyeysyssdyd

Answer:

3 bytes

Step-by-step explanation:

The measure of RST can be represented by the expression (6x + 12)°. What is mRST in degrees?


78°

84°

120°

156°

Answers

The measures of RST in degrees is 120degrees

Lines and angles

From the given diagram, the following expression is true

<RST = 78 + 3x - 12

Since <RST = 6x +12, hence;

6x + 12 = 66 + 3x

3x = 54

x = 18

Find the measure of <RST

<RST = 6(18) + 12
<RST = 120degrees

Hence the measure of RST in degrees is 120degrees

Learn more on line and angles here: brainly.com/question/25770607

Answer:

The measure of angle RST is 120\°

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m<RST=(6x+12)\° -----> equation A

m<RST=78\°+(3x-12)\° -----> equation B

equate equation A and equation B

(6x+12)\°=78\°+(3x-12)\°

6x-3x=78\°-24\°

3x=54\°

x=18\°

The measure of angle RST is equal to

m<RST=(6(18)+12)=120\°

Luke has a situation on his hands. A pipe in his house froze and cracked from cold weather. Now he has a water leak. The leak has been releasing 2/3 of a liter of water every 2 hours. If w represents the amount of water lost and h represents the number of hours, which equation represents this proportional relationship?

Answers

The proportional relationship is W = 1/3 h if the leak has been releasing 2/3 of a liter of water every 2 hours option (B) is correct.

What is a proportional relationship?

It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

It is given that:

Luke has a situation on his hands. A pipe in his house froze and cracked from cold weather.

The leak has been releasing 2/3 of a liter of water every 2 hours.

Here w represents the amount of water lost and h represents the number of hours

Based on the data given:

We can formulate the number expression:

5/7 - 2/3

= 1/21

The proportional relationship is:

W = 1/3 h

Thus, the proportional relationship is W = 1/3 h if the leak has been releasing 2/3 of a liter of water every 2 hours option (B) is correct.

Learn more about the proportional here:

brainly.com/question/14263719

#SPJ2

Answer:

w= 1/3h

Step-by-step explanation: im late

PLEASE HELP ME? The lines s and t intersect at point R.

What is the value of y?

Answers

Since they are vertical angles, and VERTICAL ANGLES ARE CONGRUENT, set them equal to eachother.

4y-8=79+y

3y=87

y=29
because they are vertical angles, they are also congruent.
so set an equation and let them equal to each other

4y - 8 = 79 +y
and now solve for y

Can someone help me with this and explain me how to do it please :) ^

Answers

Answer:

4

Step-by-step explanation:

2√x, √x + 1, 2√x + 1 sides of triangle

√x= y

2y, y+1, 2y+1

(2y)²+(y+1)²= (2y+1)²

4y²+y²+2y+1= 4y²+4y+1

y²-2y=0

y=0 (discarded as side can't be zero) or y= 2

so √x=2 ⇒ x= 4

Answer:

x= 4

perpendicular (p) =  √(x)  + 1

base(b) = 2 √(x)

hypotenuse(h) = 2 √(x)  + 1

According to the Pythagoras Theoram,

p²+b²= h²

{( √(x ) + 1) }^(2)  +  {(2 √(x) )}^(2)  =  {(2 √(x)  + 1)}^(2)

=>x+2√x+1+4x = 4x +4√x +1

=> x = 4x - 4x +4√x- 2√x+ 1- 1

=>x= 2√x

=> x/√x = 2

=> √x = 2

Therefore, x= (√x)² = (2)² = 4

A two digit number is 4 times the sum of its digits and twice the product of its digit.FIND THE NUMBER

Answers

x - tenths digit
y - units digit

10x+y=4(x+y)\n 10x+y=2xy\n\n 10x+y=4x+4y\n 10x+y=2xy\n\n 6x=3y\n 10x+y=2xy\n\n 3x=y\n 10x+y=2xy\n\n 10x+3x=2x\cdot3x\n 13x=6x^2\n 6x^2-12x=0\n 6x(x-2)=0\n x=0 \vee x=2\n\n y=3\cdot2\n y=6\n\n 10\cdot2+6=\boxed{26}