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3 years ago

PLEASE HELP ME WITH THIS ILL MARK AS BRAINIEST

1 answer:

5 0

Please use "^" to indicate exponentiation:

<span>f(x)=x^2+10x+35

Complete the square: </span><span>f(x)=x^2+10x+25-25+35 = (x+5)^2 +10

or y-10=(x+5)^2, so the vertex is at (-5,10). h has the value -5.</span>

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Jose paid $94.00 for 8 movie tickets each ticket cost the same amount what was the cost of each movie ticket in dollars and cent

Anastaziya [24]

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3 years ago

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A man is dealt 4 spade cards from an ordinary deck of 52 cards. If he is given five more, what is the probability that none of t

JulijaS [17]

The probability that none of them are spades is c(39,5) / c(48,5).

Probability is without a doubt how probable something is to show up. whenever we are uncertain about the final results of an occasion, we can talk about the possibilities of sure outcomes and how probable they are. The analysis of events governed by opportunity is referred to as records.

A chain of moves in which the results are usually unsure. The tossing of a coin, selecting a card from a deck of playing cards, throwing a cube. occasion. it is a single final result of an experiment. Getting a Head whilst tossing a coin is an event.

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3 years ago

40% of the people attending the movie were adults if 20 adults attended the movie then how many people attended the movie (use a

podryga [215]

Answer:

Step-by-step explanation:

Let x represent the number of people that attended the movie.

And y the number of adults that attended the movie

Given;

Percent of adults that attended the movie = 40%

Number of adults that attended the movie y = 20

So,

40% of those that attended the movie area adults.

y = 40% of x

y = 40/100 × x

y = 0.4x

(Ratio of y to x is 4:10 or 0.4)

Making x the subject of formula;

x = y/0.4

Substituting the value of y given;

x = 20/0.4

x = 50

Therefore, 50 people attended the movie.

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4 years ago

Dr. Cheeks tries to run at least 45 rotations on her hamster wheel each week. She has already run 6 rotations. Which inequality

IRISSAK [1]

Answer: C. r+6>45

Step-by-step explanation:

Since, Dr. Cheeks tries to run at least 45 rotations on her hamster wheel each week.

If she runs r rotations then, for the value of r, $45\leq r$

Since, If she has already 6 rotations

Therefore total rotation she has = r+6

Thus, if $45\leq r$ ⇒ $45$

So, Option C is the correct option.

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3 years ago

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If x and y are two nonnegative numbers and the sum of twice the first ( x ) and three times the second ( y ) is 60, find x so th

Dennis_Churaev [7]

If we translate the word problems to mathematical equation,

2x + 3y = 60

The second equation is,

P = xy³

From the first equation, we get the value of y in terms of x.

y = (60 - 2x) / 3

Then, substitute the expression of y to the second equation,

P = x (60-2x) / 3
P = (60x - 2x²) / 3 = 20x - 2x²/3

We derive the equation and equate the derivative to zero.

dP/dx = 0 = 20 - 4x/3

The value of x from the equation is 15.

Hence, the value of x for the value of the second expression to be maximum is equal to 15.

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4 years ago