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3 years ago

What is the domain of the following function?

Mathematics

1 answer:

ki77a [65]3 years ago

7 0

Answer:

{-1, 0, 1, 2, 3, 4, 5}

Step-by-step explanation:

The domain is all the possible X values so on this graph it would be all the x values from -1 - -5

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Match the real-world problem to its constant of proportionality.

Shtirlitz [24]

Answer:

a. $18.36 for 3 pizzas : k = 6.12

b. $4.17 for 3 pounds of bananas . k = 1.39

c. $16.48 for 4 pounds of potatoes . k = 4.12

d. 2 cups of flour to make 24 cookie . k = 12

Step-by-step explanation:

PROPORTIONALITY:

Two quantities x and y are said to proportional to each other

if for x ∝ y , x = y k.

Here, k is called the PROPORTIONALITY CONSTANT.

⇒ $x\propto y \implies k = \frac{x}{y}$

Now, for the given quantities:

a. $18.36 for 3 pizzas [box]

Here, $k = \frac{18.36}{3} = 6.12$

So, the proportionality constant is 6.12.

b. $4.17 for 3 pounds of bananas [box]

Here, $k = \frac{4.17}{3} = 1.39$

So, the proportionality constant is 1.39.

c. $16.48 for 4 pounds of potatoes [box]

Here, $k = \frac{16.48}{4} = 4.12$

So, the proportionality constant is 4.12.

d. 2 cups of flour to make 24 cookies

Here, $k = \frac{24}{2} = 12$

So, the proportionality constant is 12

3 0

4 years ago

Simplify : -3xy divided by 9x to the 3rd power times y to the -4th power

Anna11 [10]

Answer:

Step-by-step explanation:

8 0

3 years ago

Heather lives 7 / 10 mile from theschool and 2 / 5 miles from the library . How much closer does Heather live to the library tha

frez [133]

First get the same denominator 2/5=4/10 so from here do 7/10-4/10 the denominator stays the same and the numerator changes, 3/10 is the answer so Heather live 3/10 of a mile closer to the library than the school

6 0

3 years ago

WILL MARK BRAINLIST

iren [92.7K]

Answer:

See below.

Step-by-step explanation:

1/2 = shrink by a factor of 1/2.

+7 = moved up 7 units.

8 0

3 years ago

What is the answer?

alexgriva [62]

Answer:

Area = (2-3x)(2x+5)(x-1)

= -6x³-5x²+21x-10

Step-by-step explanation:

6 0

4 years ago