which ordered pair is a solution of the equation

Answer:

Work shown below!

Step-by-step explanation:

[tex]x^{4}-5x^{2} +4[/tex] = [tex]0[/tex]

[tex]A[/tex] = [tex]x^{2}[/tex]

[tex]A^{2} -5A+4[/tex] = [tex]0[/tex]

[tex](A-1)(A-4)[/tex] = [tex]0[/tex]

[tex](x^{2}-1)(x^{2} -4) =0\\(x-1)(x+1)(x-2)(x+2)=0[/tex]

x - 1 = 0

Add 1 to both sides;

x = 1

x + 1 = 0

Subtract 1 from both sides;

x = -1

x - 2 = 0

Add 2 to both sides;

x = 2

x + 2 = 0

Subtract 2 from both sides;

x = -2

Answer:

Line a slope is -4/6

Line b slope is 3/2

Step-by-step explanation:

This answer is correct, because i did it on edge and go 100% (trust me!)

Answer:

8.83

Step-by-step explanation:

there you go i hope it helps

Answer:

8.83

Step-by-step explanation:

Answer:

Solution of the given system of equations is (1, 2.5)

Step-by-step explanation:

From the graph attached,

Two intersecting lines represent the system of equations.

And the solution of the system of equations is a common point where these lines intersect.

Graph shows both the line are intersecting each other at (1, 2.5).

Therefore, solution of the given system of equations will be (1, 2.5).

Answer:

Step-by-step explanation:

Equation for the volume and solution:

Correct option is D.

Answer:

D. StartFraction 7 over 8 EndFraction x minus 8 = 216; x = 256 centimeters cubed

Answer:

D

Step-by-step explanation:

Interesting question.  The wording is a bit awkward. I think you have to assume the base is a square and each succeeding base is also a square.

So the first thing to do is to add the bases together.

30*30 + 23*23 + 16*16 + 9*9

Don't add these -- not yet.

Now take the height into consideration

6 *(30*30 + 23*23 + 16*16 + 9*9)

The point is that you only have to multiply by 6 once.

6*(900 +  529 + 256 + 81)

6*(1766)

10596 cubic inches

The answer is D

Answer:

d. The Pup Palace Kennel is never cheaper than Ngyuen's Kennel

Step-by-step explanation:

Answer:

420

Step-by-step explanation:

edge

Answer:

56

Step-by-step explanation:

Given that:

Number of girls = 3

Number of boys = 4

Each student makes 8 paper airplanes.

To find:

The total number of airplanes = ?

Solution:

There can be two ways to find the total number of airplanes.

Method 1:

Keep on adding the number of airplanes for each student.

There are a total of 3+4 = 7 number of students.

First student makes = 8 airplanes

Second student makes = 8 airplanes

Third student makes = 8 airplanes

Fourth student makes = 8 airplanes

Fifth student makes = 8 airplanes

Sixth student makes = 8 airplanes

Seventh student makes = 8 airplanes

Total number of airplanes = 8 + 8 + 8 + 8 + 8 + 8 + 8 = 56

Method 2:

Simply multiply number of airplanes each student makes with the number of students.

i.e. 8 [tex]\times[/tex] 7 = 56

Answer:

980 km.

Step-by-step explanation:

The speed of the car is constant,

From the double number line:

When the time is 0 hour, the distance covered is 0 km.

When the time is 1 hour, the distance covered is 70 km.

When the time is 2 hours, the distance covered is 140 km,

which can be written as

when the time is 2 hours, the distance covered is 70 x 2 km.

Similarly,

When the time is 3 hours, the distance covered is 210= 70 x 3 km.

This can be generalized as,

When the time is n hours, the distance covered is  70 x n km, i.e

The distance traveled in n hours = 70 x n km.

So, for 14 hours, n= 14,

Hence, the distance traveled in 14 hours = 70 x 14= 980 km.

Answer:

Slope of p  =    -a/b

(0, b)  is on line  q

Slope of q  =  ( b - 0) / (0 - -a)  =   b/a

Product of the slopes  =  (-a/b) (b/a)  =  (-ab) /(ab)  =  -1

I hope this helps (: Have a whimsical day! lol

Answer:

y=24  x=33

Step-by-step explanation:

Example: ⇒

y

=

k

x

to find k use the given condition

y

=

−

24

when

x

=

8

y

=

k

x

⇒

k

=

y

x

=

−

24

8

=

−

3

equation is

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

∣

∣

∣

2

2

y

=

−

3

x

2

2

∣

∣

∣

−−−−−−−−−−−−−−

when

x

=

10

then

y

=

−

3

×

10

=

−

30

Answer:

Kindly refer to explanation.

Step-by-step explanation:

Given that:

A,B and C are 3 points on circumference of circle with centre O.

AOB is diameter.

Kindly refer to the attached image.

To prove:

[tex]\angle ACB = 90^\circ[/tex]

Solution:

Let [tex]\angle A = x[/tex] and [tex]\angle B = y[/tex].

Construction: Join point  A with centre O.

Considering [tex]\triangle AOC[/tex]:

Side AO = OC because both are the radius.

Angles opposite to equal sides in a triangle are equal.

Therefore, [tex]\angle ACO=\angle A=x[/tex]

Considering [tex]\triangle BOC[/tex]:

Side BO = OC because both are the radius.

Angles opposite to equal sides in a triangle are equal.

Therefore, [tex]\angle BCO=\angle B=y[/tex]

[tex]\angle ACB = \angle ACO + \angle BCO = x+y[/tex] ...... (1)

Now, in [tex]\triangle ABC:[/tex]

Using angle sum property of triangle:

[tex]\angle A + \angle B + \angle ACB =180^\circ\\\Rightarrow x+y+x+y=180^\circ\\\Rightarrow 2(x+y)=180^\circ\\\Rightarrow x+y=90^\circ[/tex]

By equation (1):

[tex]\angle ACB = 90^\circ[/tex]

Hence proved.

Answer:

3i√5 is the awnser so it is c

Step-by-step explanation:

i am sure of it

Answer:Ax + By = C

-ax -ax

-------------------

By = -Ax + C

--- ------------

B B

--------------------

y = -Ax + C

----------

B

Step-by-step explanation:

Answer:

y=c/b-ax/b

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer:

B C E

Step-by-step explanation:

(:

Answer:

Step-by-step explanation:

49 = 7×7           ← a perfect square

121 = 11×11           ← a perfect square

144 = 12×12          ← a perfect square

but:

125 = 5×5×5 = 5√5×5√5 and 5√5 is not integer so 125 is not a perfect square

Answer:

C. 125

Step-by-step explanation:

source: trust me bro

Answer:

C is the answer.

A brainlyest would really help out!

Answer:

20%

Step-by-step explanation:

1.2*1.2=1.44

Answer: False

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Answer:

m = -2

Step-by-step explanation:

hsavajgsbjxxhisbvzjxb

The slope of the line that passes through the points (2.1, -4.2) and (2.5, -5) that form a proportional relationship is: -2.

Recall:

The slope (m) of a line can be calculated using the formula:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

(2.1, -4.2) and (2.5, -5)

[tex](2.1, -4.2) = (x_1, y_1)\\\\(2.5, -5) = (x_2, y_2)[/tex]

Slope (m) = [tex]\frac{-5 -(-4.2)}{2.5 - 2.1} = \frac{-0.8}{0.4} = -2[/tex]

Therefore, the slope of the line that passes through the points (2.1, -4.2) and (2.5, -5) that form a proportional relationship is: -2.

Learn more here:

https://brainly.com/question/18047340

Answer:

3.6

Step-by-step explanation:

3÷5/6=3×6/5=18/5=3.6

Answer:

3.6

Step-by-step explanation:

or infraction form 3 3/5

Answer:

C. t = 10d

Example:

If i rode the bike for 3 miles then

t = 10(3)

Then,

t = 30

So, the bike was rode for 30 minutes

Answer:

13, 4, -11

Step-by-step explanation:

g(-3) = 4-3(-3) = 4+9 = 13

g(0) = 4-3(0) =4-0 = 4

g(5) = 4-3(5) = 4-15 = -11

Answer:

x = 2/3

Step-by-step explanation:

2(x-2/3)=0

2x-1 1/3=0

2x=1 1/3

Devide both sides by 2

x=2/3