Randi has a party-sized sandwich that is 3/4 yard long. She will cut it into smaller sandwiches that are each 1/12 yard long. What expression can be used to determine the number of smaller sandwiches Randi can cut?

Answers

Answer 1

Answer: Any choises? it would help

Answer 2

Answer: U use -sutracting to get the answer

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Given: y=x^2-4x-12 A.) determine the roots/zero
(By factoring & setting the answer equal to zero)

B.) use h=-b/2a to get vertex

Answers

Answer:

see below

Step-by-step explanation:

y=x^2-4x-12

Set equal to 0 to find the zeros

0 =x^2-4x-12

Factor. What 2 numbers multiply to -12 and add to -4

-6*2 = -12

-6+2 = -4

0= (x-6) (x+2)

Using the zero product property

0=x-6 0 = x+2

x=6 x = -2

zeros: -2,6

Vertex

h = -b/2a = - (-4)/ 2(1) = 4/2 = 2

OR Average the roots (-2+6)/2 = 4/2 =2

The y coordinate is found by substituting into the equation

y = (2)^2 -4(2) -12

y = 4-8-12

y =-16

vertex : (2, -16)

Answer:

x = -2, 6

Vertex: (2,-16)

Step-by-step explanation:

x² - 4x - 12

x² - 6x + 2x - 12

x(x - 6) + 2(x - 6)

(x - 6)(x + 2) = 0

x = -2, 6

h = -(-4)/2

h = 4/2

h = 2

k = 2² - 4(2) - 12

k = 4 - 8 - 12

k = -16

Vertex: (2,-16)

Write the slope intercept equation of a line which is parallel to y=3x+5 passing through (-6,3). Can anyone please explain with the formula?

Answers

Remember that the slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

If lines are parallel then they have the same slope (m)

This means that the slope of the line will be 3:

y = 3x + b

Now we must find b

To do that you must plug in the point the line goes through in the x and y of the equation.

(-6, 3)

3 = 3(-6) + b

3 = -18 + b

21 = b

y = 3x + 21

Hope this helped!

~Just a girl in love with Shawn Mendes

Answer:

y = 3x + 21

Step-by-step explanation:

The formula of a line goes in y= mx + c

Parallel lines have different y-intercepts but the same gradients so we can assume that

y = 3x + c

Substitute in the coordinates (-6 , 3) to work out the full equation

3 = -18 + c

So c = 21

Therefore the equation of the line that is parallel to y=3x+5 passing through (-6,3) is y = 3x + 21

How many degrees are there in the each interior angle of a polygon, if the sum of its interior angles is 2520°?

Answers

$\underset{in~degrees}{\textit{Sum of All Interior Angles}}\n\n S = 180(n-2) ~~ \begin{cases} n=\stackrel{number~of}{sides}\n[-0.5em] \hrulefill\n S=2520 \end{cases}\implies 2520=180(n-2) \n\n\n \cfrac{2520}{180}=n-2\implies 14=n-2\implies 16=n \n\n[-0.35em] ~\dotfill$

$\underset{in~degrees}{\textit{Sum of All Interior Angles}}\n\n n\theta = 180(n-2) ~~ \begin{cases} n=\stackrel{number~of}{sides}\n \theta = \stackrel{degrees}{angle}\n[-0.5em] \hrulefill\n n=16 \end{cases}\implies 16\theta =180(16-2) \n\n\n 16\theta =2520\implies \theta =\cfrac{2520}{16}\implies \boxed{\theta =157.5^o}$

To find the measure of each interior angle of a polygon, you can use the formula: (n-2) * 180, where n is the number of sides. So, in this case, we have (n-2) * 180 = 2520. The measure of each interior angle of the polygon is 180 degrees.

on dancing with the stars, jerry. and his partner scored 5points out of 8 total. what percent is this?

Answers

0.054 cause you add it

5points/8points would be 62.5%

Some one help me please

Answers

For this case we have that by power properties it is fulfilled:

$(a ^ n) ^ m = a ^ {n * m}$

Now, we can rewrite the expression as:

$\frac {64g ^ 9 * h ^ 6 * k ^ {12}} {8g ^ 3 * h ^ 2} -h ^ {25} k ^ {15} =$

We also have by definition of properties of powers that:

$\frac {a ^ m} {a ^ n} = a ^ {m-n}$

So:

$8g ^ {9-3} * h ^ {6-2} * k ^ {12} -h ^ {25} k ^ {15} =\n8g ^ 6 * h ^ 4 * k^(12) -h^(25) * k^(15)$

Answer:

Option D

The Japanese bullet train takes only three hours to travel from Tokyo to Osaka a distance of 321 miles what is the average speed of the train during this trip

Answers

To find the average of the is your would divide the distance by the time 321/3 which is 107mph. Meaning the train travels an average of 107miles each hour

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