Describe how you know whether an equation will be true for all values of x or true for no values of x.

Answers

Answer 1

Answer:

Substitute your answer for the variable x. If the equation looks accurate or is correct, then the value of x is the right answer. Not sure if this makes sense

Answer 2

Determining whether an equation is true for all values of x or true for no values of x requires simplifying the equation, determining its domain, checking for variable restrictions, and evaluating the equation for different values of x.

What is an equation?

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

Simplify the equation as much as possible using algebraic manipulations such as combining like terms, factoring, and expanding.

Evaluate the equation for a few different values of x to see if it holds true. If the equation is true for all values of x within the domain, then it will be true for all values of x. If there are any values of x within the domain that make the equation false, then it will be false for no values of x.

If the equation cannot be simplified or the domain cannot be determined, then it may require further analysis, such as graphing or using calculus techniques to determine its behavior.

Thus, determining whether an equation is true for all values of x or true for no values of x requires simplifying the equation, determining its domain, checking for variable restrictions, and evaluating the equation for different values of x.

Learn more about the equation here:

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Related Questions

The diameter of the wheels on xavires bicycle is 80 cm . Calculate the circumference of the wheels

Answers

Answer:

80*3.14

Step-by-step explanation:

let diameter d=80cm

circumference c = d*pi = d*3.14 = 80*3.14

A local movie theater has an offer that for every seven movies you pay to go see, they will give you free passes for two other movies. If you paid to see 42 movies last year, how many free passes did you receive?

_free passes

A local movie theater has an offer that for every seven movies you pay to go see, they will give you free passes for two other movies. If you paid to see 42 movies last year, how many free passes did you receive?

Answers

Answer: 12

Step-by-step explanation: 42/7 = 6 and you get 2 free passes so 6 x 2 = 12

12

7 movies = 2 free passes
7x6 = 42
6x2 = 12

At Pete's pizza, the cost of a 1 topping pizza is $17.35 and the cost of a 3 topping pizza is $21.05.
Assuming the cost of a pizza follows a linear model, write an equation that represents C, the cost of any pizza with t,toppings.

Answers

Answer:

Step-by-step explanation:

17.35 * 3

I have to solve this: (2x + 2/5)+(5x-4/5) and then simplify it.

Answers

Answer:

35x - 2

———————

i hope this helps

Step-by-step explanation:

Answer:

7x + 6/5 or 7x + 1 1/5

Step-by-step explanation:

Ya welcome.

IF YOU KNOW MATH PLS HELP ME

Answers

Answer:

x ≈ 2.55

Step-by-step explanation:

Since the triangles are congruent then DE ≡ AB , that is

DE = AB

76x - 7 = x + 184 ( subtract x from both sides )

75x - 7 = 184 ( add 7 to both sides )

75x = 191 ( divide both sides by 75 )

x ≈ 2.55 ( to the nearest hundredth )

Find the measure of angle 1

Answers

Answer:

112 Degrees

Step-by-step explanation:

46+90=136

360-136=224

224/2=112

112 Degrees

Answer:

122

Step-by-step explanation:

46 + 90 = 136

360 - 136 = 224

224 ÷ 2 = 122

Which expression represents "the product of a and b decreased by 9"?

Answers

Answer:

ab-9

Step-by-step explanation:

the product of a and b: a*b

decreased by 9: -9

Answer:

The person above be is correct

Step-by-step explanation:

I figured I would let everyone know so they can trust it anyway have a good day☺️

Find the area, to the nearest hundredth, of the figure

Answers

Answer:

Step-by-step explanation:

hypotenuse = √(14.4² + 6²) = √243.36 = 15.6 mi

area of triangle = 0.5×6×14.4 = 43.2 mi²

radius of semicircle = 15.6/2 = 7.8

area of semicircle = πr² = 60.84π mi²

total area = 43.2 + 60.84π ≅ 234.33 mi²

Add the integers.
-6 + (-4) =( ?
B-2
C 2
D 10

Answers

Answer:

-10

Step-by-step explanation:

The answer is D. Negative equals negative.

(04.05)

The graph of f(x) = 2x + 3 shifts 10 units to the right when it is replaced with the graph of f(x) = 2x − k. What is the value of k? (1 point)

A. 3

B. 7

C. 10

D. 13

Answers

So I think it is Dwat u think it is

Answer:

i think that is is 10 please make me brainliest

Step-by-step explanation:

Solve the simulataneous equations. 5x-4y=19 x+2y=8

Answers

Answer:

(5, 1.5 )

Step-by-step explanation:

Given the 2 equations

5x - 4y = 19 → (1)

x + 2y = 8 → (2)

Multiplying (2) by 2 and adding to (1) will eliminate the y- term

2x + 4y = 16 → (3)

Add (1) and (3) term by term to eliminate y

7x + 0 = 35

7x = 35 ( divide both sides by 7 )

x = 5

Substitute x = 5 into either of the 2 equations and solve for y

Substituting into (2)

5 + 2y = 8 ( subtract 5 from both sides )

2y = 3 ( divide both sides by 2 )

y = 1.5

solution is (5, 1.5 )

square abcd has an area of 4m^2. square pqrs has an area of 36m^2. What is the similarity ratio of square abcd to square pqrs

Answers

Answer:

1:9

Step-by-step explanation:

Find m<YQR pls need grade gud.

Answers

Answer:

21°

Step-by-step explanation:

We can prove these two triangles congruent by the HL (Hypotenuse-Leg) theorem. Then, we know that m<YQR is congruent to m<PQY. We can then use their given values to form an equation.

5x+6=16x-27

Continue to solve . . .

33 = 11x

x=3

Therefore, we can plug this value of 3 into the expression for the value of m<YQR, and you will get

(16 x 3) - 27, which is equal to 21°.

Indicate below whether the equation in the box is true or false.4/8 = to 6/10

Answers

Answer:

Not equal. So, false.

Step-by-step explanation:

Just cross multiply

40 and 48

so no, they're are not equal.

Answer:

False

Step-by-step explanation:

Please Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111

Answers

The equation will be:

x+12=38

Which graph shows a proportional relationship?

Answers

Answer is C I’m pretty sure

There is a linear relationship between the variables x and y. And the line that passes through the origin. Then the correct option is C.

What are ratios and proportions?

A ratio is an ordered set of integers a and b expressed as a/b, with b never equaling 0. A proportional is a mathematical expression in which two things are equal.

Let the two variables x and y.

Where x is an independent variable and y is the dependent variable that depends on x directly. Then we have

The variable y is directly proportional to the variable x.

y ∝ x

When the proportionality sign is removed a constant k comes into the equation. That is given as

y = kx

There is a linear relationship between the variables x and y.

And the line that passes through the origin.

The graph is shown below.

More about the ratio and the proportion link is given below.

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The point Q(4, 2) is translated 8 units left and 7 units down. What are the coordinates of
the resulting point,

Answers

Answer:

(-4,-5)

Step-by-step explanation:

Start from the original point and go 8 units to the left and 7 units down and plot the point.

Can someone please Classify the angles ? I don’t need a conclusion ....

Answers

Answer:

Right triangle

Step-by-step explanation:

A right triangle is a triangle in which one angle is a right angle.

What is the slope of (0,-1) and (5,-5)

Answers

-4/5 it’s the correct answer

(-4,5) is the slope.

the ratio of the measures of the sides of a triangle is 2:7:6. if the perimeter of the triangle is 345 yards, find the measure of the median side.

Answers

Answer:

the sides are 46, 161, 138 respectively to sides 2, 7, 6

Step-by-step explanation:

2+7+6=15

345/15=23 this is our factor

2x23=46

7x23=161

6x23=138

What is the Y intercept of y=3-4x?

Answers

Answer:

Step-by-step explanation:

HELP MEEEEEEEEEEE plz :D

Answers

A = -75
B = -60
C = -45
D = -15
E = 15
F = 30

You must substitute the (x, y) and check that the POI makes both equations ___.

TRUE because they both check out.

FALSE because they cannot work.

Answers

False because they cannot work

I need help with this can you help me

Answers

Answer: 2.5 in, 7.5 in, and 5 in.

Step-by-step explanation:

you would divide each side by 2

5 inches to 2.5

15 inches to 7.5

and 10 inches to 5

2.5 in, 7.5 in, 5 in

4 years ago, the age of two sisters combined equal 24 years, and the younger sister was 8 years younger. How old are they today?

Answers

20 and 12 ...............

Drag and drop each equation to match the type of solution.

Answers

Answer:

B, A, C

Step-by-step explanation:

How to find the slope and y intercept from two coordinate pairs

Answers

first use the slope formula to form the slope
m = (y2-y1)/(x2-x1)
and then find the y intercept by (0,b)
then plug m and b into
y=mx+b

Answer:

Slope: y2-y1/x2-x1

Step-by-step explanation:

You find slope from two coordinate pairs by using the slope formula(y2-y1/x2-x1) or rise over run from a graph.

To find y-intercept, x needs to be 0 on a graph.

Hope this helps!

2. Which equation is equivalent to 2 + 4x = 5 - 3(x + 1)? A. 2 + 4x = 2x - 3 B. 2 + 4% = 5 - 3 -3. C. 6x = 5-(+ 1). D. 2 + 4 = 2/5 1).

Answers

Answer:

B) 2 + 4x = 5 - 3 - 3x

Step-by-step explanation:

By simplifying JUST the right side and re-arranging them

2 + 4x = 5 - 3(x + 1),

2 + 4x = 5 - 3x -3,

2 + 4x = 5 -3 - 3x

could you help me with the 2 questions plz

Answers

Answer:

2. 64

3. 2

Step-by-step explanation:

A cylindrical can of tennis balls holds a stack of three tennis balls so that they touch the can at the top,bottom,and sides. The radius of each tennis ball is 1.25 inches. Find the volume inside the can that is not taken up by three tennis balls.round to the nearest tenths.

Answers

Answer:

3.7555555536321

Step-by-step explanation:

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