Define a variable and write an equation to find the number Then solve eight times a number is twelve times the number minus four.

Answer:

16(0.5x - 0.75y + 2)

Step-by-step explanation:

16 x 0.5 = 8

16 x -0.75 = -12

16 x 2 = 32

Answer:

16(0.5x - 0.75y + 2)

Step-by-step explanation:-

1. 16 x 0.5 = 8

2. 16 x -0.75 = -12

3. 16 x 2 = 32

Answer:

B, C, A, B

Step-by-step explanation:

i. 60+ 10 +110 = 180 ( so it can be scalene)

ii. 60 +120 =180 ( they have to, to make a triangle)

iii. Obtuse is 90 degrees or more

iv. 90 +60+30=180 (so it can be)

Answer:

C

Step-by-step explanation:

[tex]let\\T = ax+b\\(x, T) = (6, 76) => 6a+b = 76\\(x, T) = (12, 49) => 12a+b = 49\\Subtract\\6a = -27 => a = -4.5\\Substitute\\b = 76+27=103\\\\T = -4.5x + 103[/tex]

Answer:

c) -4.5 x +103

Step-by-step explanation:

Answer:

You could use the formula

y^2 - y^1/ x^2 - x^1

2 - 1.6 / 5 - 4

=1.6 / 1

m= 1.6 or if you wanna put in a fraction it can be 8/5

Answer:

C is the answer

Answer:

7 in

Step-by-step explanation:

Step one:

Given data

A candle that is 10 inches tall burns at a rate of 1/4 inches per hour

let the number of hours take to burn completely be x

and the lenght after certain time be y

So

The expression for the situation is

y= 10-1/4x

y= 10-0.25x

for x= 12

y=10-0.25*12

y=10-3

y= 7 in

After 12 hours the length is 7 in

Answer:

The measure of angle BED is 78°

Step-by-step explanation:

Hopefully you can see what I did there.

Answer:

8, 2, 4

Step-by-step explanation:

All the y values of a function are its range and all the x values are its domain

Since the y values of the functions are 8, 2, and -4. the range of this function{(4,8), (9,2), (-3,-4)} will be 8, 2, -4.

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

All the y values of a function are its range and all the x values are its domain

All y's potential values are referred to as the function's range. Using the formula y = f(x), one may determine a function's range (x). If there is just one y value for each x value in a relation, then it is merely a function.

The y values of the functions are 8, 2, and -4.

Thus, since the y values of the functions are 8, 2, and -4. the ranges of this function{(4,8), (9,2), (-3,-4)} will be 8, 2, -4.

Learn more about the function here:

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Answer:

3

Step-by-step explanation:

2.75 however it needs to be rounded to an integer making it 3 packets :)

Answer:

the slope is infinite or undefined

Step-by-step explanation:

y2-y1/x2-x1=3/0

Answer:

503.8

Step-by-step explanation:

Since in the hundredth place you have a number higher than 5, we want to round the tenth digit up by one to get 503.8.

Answer:

503.8

Step-by-step explanation:

Answer:

1. A,B,C

2. F,E,D,W

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

[tex]\frac{1}{7}[/tex]÷[tex]\frac{12}{1}[/tex]=1/84

[tex]\huge\sf\underline\red{Answer}[/tex]

[tex]\sf{ ⇒ \: \dfrac{1}{7} \div 12}[/tex]

[tex]\sf{ ⇒ \: \dfrac{ \dfrac{1}{7} }{12} }[/tex]

[tex]\sf{⇒ \dfrac{1}{7} \times \dfrac{1}{12} }⇒\dfrac{1}{84} [/tex]

Answer:

y=-3

x=1

(1,-3)

Step-by-step explanation:

5x+4y=-7

-5x-2y=1

Cancel +5x - 5

     2y=-6

      y=-3

5x-12=-7   or    -5x+6=1

5x=5                -5x=-5

x=1                     x=1

Answer:

y = -3, x = 1

or

(1, -3)

Step-by-step explanation:

5x + 4y = -7

-5x - 2y = 1

add the two equations together

0x + 2y = -6

2y = -6

2y/2 = -6/2

y = -6/2

y = -3

now substitute y = -3 into either of the equations

5x + 4y = -7

5x + 4(-3) = -7

5x - 12 = -7

5x = -7 + 12

5x = 5

x = 1

Answer:

A = 35 - 4t

B = 50 - 7t

Height = 15 inches

Step-by-step explanation:

Given that:

Height of snowman A = 35 inches

Height of snowman B = 50 inches

Height decrease of snowman A = 4 inches per hour

Height decrease of snowman B = 7 inches per hour

t = number of hours

A = 35 - 4t       Eqn 1

B = 50 - 7t       Eqn 2

At same height,

Eqn 1 = Eqn 2

35 - 4t = 50 - 7t

-4t + 7t = 50 - 35

3t = 15

Dividing both sides by 3

[tex]\frac{3t}{3}=\frac{15}{3}\\t=5[/tex]

Putting t=5 in both equations

A = 35 - 4(5) = 35 - 20 = 15 inches

B = 50 - 7(5) = 50 - 35 = 15 inches

Hence,

A = 35 - 4t

B = 50 - 7t

Height = 15 inches

The equation should be

A = 35 - 4t

B = 50 - 7t

And, the Height = 15 inches

Since

Height of snowman A = 35 inches

Height of snowman B = 50 inches

Height decrease of snowman A = 4 inches per hour

Height decrease of snowman B = 7 inches per hour

Here, t = number of hours

So, the equation should be

A = 35 - 4t      

B = 50 - 7t      

Now for the same height

35 - 4t = 50 - 7t

-4t + 7t = 50 - 35

3t = 15

t = 15

So,

A = 35 - 4(5) = 35 - 20 = 15 inches

B = 50 - 7(5) = 50 - 35 = 15 inches

learn more about height here: https://brainly.com/question/17231109

Answer:

r = 10 or -10

Step-by-step explanation:

Answer:

y = 4

Step-by-step explanation:

y + 6 = 5(2 - 4)

y + 6 = 10 - 20

y + 6 = 10

y + 6 - 6 = 10 - 6

y = 10 - 6

y = 4

Answer:

y = -16

Step-by-step explanation:

Answer:

satisfy both equations

Step-by-step explanation:

nice pic dear :)Step-by-step explanation:

Answer:

2. x-intercepts:(1,0),(-1,0) y-intercept:(0,1)

3.x-intercepts:(0,0),(1/2,0),(-4,0),(1,0) y-intercept:(0,0)

4.x-intercepts:(2,0),(-2,0) y-intercept:(0,8)

5.x-intercepts:(-2,0),(-5,0),(3,0),(4,0) y-intercept:(0,120)

Answer:

1/2y+3/2

2y+-1/2

-3/2b-2x+5

Step-by-step explanation:

Answer:

(5,-5)

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

Because the ratio is 2:1, you would divide the number of red parts by 2.

Answer:

She will need 3 parts white paint

Step-by-step explanation:

Lets make a proportion:

2 : 1

6 : x

We know that 2 = 6 in this problem are the same values, red paint

6/2 = 3 3 IS THE CONSTANT OF PROPORITIONALITY

Now, 1 x 3 = 3

1 = 3 in this problem are the same values, white paint

SHE NEEDS 3 PARTS WHITE PAINT

Answer:

We were given the equation of a rainbow, which follows a parabolic path, which is

By comparing to the vertex form,

We have the vertex at (h,k)=(1,6)

Since a=-0.1<0, the parabola opens down.

At y-intercept, x=0.

Step-by-step explanation:

Answer:

1

Step-by-step explanation:

First, we have to make the fractions improper.

To this we would need to multiply the denominator by the whole number and add it to the numerator. 2*4 is 8.  8 + 5 is 13. So for the first fraction, it will be 13/5. Let’s do the second fraction. 2*4 is 8. 8 + 3 is 11. So for the second fraction, it will be 11/2. Since the fractions have the same denominator, we will not have to do anything to them. Now, all you have to do is simple subtraction. 13 - 11 is 2. Since the denominators are the same, it will equal to 2. So the final answer is 2/2 or 1.

Answer:

1/2(8x-6)=-1/3(9x-12)

We move all terms to the left:

1/2(8x-6)-(-1/3(9x-12))=0

Domain of the equation: 2(8x-6)!=0

x∈R

Domain of the equation: 3(9x-12))!=0

x∈R

We calculate fractions

(3x9/(2(8x-6)*3(9x-12)))+(-(-2x8)/(2(8x-6)*3(9x-12)))=0

We calculate terms in parentheses: +(3x9/(2(8x-6)*3(9x-12))), so:

3x9/(2(8x-6)*3(9x-12))

We multiply all the terms by the denominator

3x9

We add all the numbers together, and all the variables

3x^9

We do not support expression: x^9    

I would appreaciate   if i got brainliest  

Answer:

c

b.

180

d

3 m

A

E

4 m

the diagram shows the cross section of a garden shed.

(a)

(b)

calculate the height of the shed.

calculate the length of cb