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3 years ago

Helpppp please and thank uuu

Mathematics

2 answers:

nekit [7.7K]3 years ago

7 0

The answer should be a.

ivanzaharov [21]3 years ago

3 0

The answer is A. x < 78 because the dot isn’t filled in and it’s pointing to the left indicating that it’s less than 78.

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Damien is buying tickets to a movie. The movie he and his friends want to watch cost $4.85 per ticket. Damien has $32.00 total.

skad [1K]

Answer:

Step-by-step explanation:

Setup a equation.

32=4.85x (x equals amount of people)

Then divide both sides.

x=6.60

Obviously you can't split a person into .6, so the greatest amount of tickets is 6

7 0

3 years ago

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The Ironman endurance race has a 2.4 miles swim. Javier can swim 0.5 miles in 20 minutes. If he can continue this pace, it will

Dafna1 [17]

Given :

The Ironman endurance race has a 2.4 miles swim.

Javier can swim 0.5 miles in 20 minutes.

To Find :

How much time in hours it takes to complete the race.

Solution :

Speed of Javier :

$s=\dfrac{2.4}{\dfrac{20}{60}}\ mph\\\\s= 7.2\ mph$

Let, time taken to cover 2.4 miles is t .

So,

$t = \dfrac{2.4}{7.2}\ hours\\\\t = 0.33\ hours$

Hence, this is the required solution.

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3 years ago

Sketch the curve y=x(x-2)^3 showing any stationary points and points of inflection

ycow [4]

Answer:

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6 0

3 years ago

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a cook needs 12 pounds of flour he wants to spend the least amount of money if a 2 pound bag costs $1.59 and a 5 pound bag costs

Virty [35]

He should buy two 5 pound bags and one 2 pound bag.

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3 years ago

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(50 POINTS) Math Inverse Functions please help

Afina-wow [57]

Answer:

See below.

Step-by-step explanation:

An inverse function has the x and y coordinates switched. For example, if a function has point (1, 3), then the inverse function has point (3, 1).

Let's find the ordered pairs of the inverse function. We take all the ordered pairs of the original function:

(1, 3), (7, 4), (8, 6), (9, y)

Now we switch x and y in each ordered pair to come up with the inverse function.

The inverse function has these ordered pairs:

(3, 1), (4, 7), (6, 8), (y, 9)

For a relation to be a function, a value used as an x-coordinate can appear only once.

The last ordered pair is (y, 9). For the inverse relation to be a function, y cannot be 3, 4, or 6.

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3 years ago

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