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3 years ago

Identify the slope using the following two points: (-1, 6) and (-3, 10)

Mathematics

2 answers:

frozen [14]3 years ago

5 0

Answer: The slope is -2. Hope this helps :)

Step-by-step explanation:

y2 - y1/ x2 - x1

Snowcat [4.5K]3 years ago

5 0

Step-by-step explanation:

Remember (y2-y1)/(x2-x1)

$\frac{y {}^{2} - y ^{1} }{x {}^{2} - x {}^{1} }$

for y, 10-6 = 4

for z, -3 + 1= -2

4/-2 is -2

your slope is -2

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3 years ago

Rita is selecting a sandwich at the deli. The deli has four types of meat, three types of cheese and two types of bread. A delux

zalisa [80]

Answer:

24 possible dishes

Step-by-step explanation:

Given

Total

$Meat = 4$

$Cheese = 3$

$Bread = 2$

Selection

$Meat = 1$

$Cheese =2$

$Bread = 1$

Required

Determine the number of possible combo

Rita wants to select 1 of 4 meat types,

So, the number of selections is: $^4C_1$

Rita wants to select 2 of 3 cheese types,

So, the number of selections is: $^3C_2$

Rita wants to select 1 of 2 cheese types,

So, the number of selections is: $^2C_1$

The total number of selections is:

$Total = ^4C_1 * ^3C_2 * ^2C_1$

Using

$^nC_r = \frac{n!}{(n-r)!r!}$

We have:

$Total = \frac{4!}{(4-1)!1!} * \frac{3!}{(3-2)!2!} * \frac{2!}{(2-1)!1!}$

$Total = \frac{4!}{3!1!} * \frac{3!}{1!2!} * \frac{2!}{(1!1!}$

$Total = \frac{4*3!}{3!*1} * \frac{3*2!}{1*2!} * \frac{2*1}{1*1}$

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$Total = 24$

<em>Hence, there are 24 possible dishes</em>

4 0

3 years ago

Read 2 more answers