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3 years ago

Is one for greater than listen or equal to 0.4

1 answer:

8 0

Order 3/8, 3/7, and 3/9 from least to greatest without writing equivalent fractions with a common denominator explain your Strategy

3/9 3/8 3/7

The greater the denominator, the smaller the pieces are. Thus, numbers with equivalent numerators but smaller denominators will be larger than those with larger denominators.

Is 0.7 greater than less than equal to 7/9

Less than. 7/9 is 0.77777....

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a stock was selling at $120 per share. a month later, it was selling at $150 per share. what is the percent increase?

goldfiish [28.3K]

Answer:

25%

Step-by-step explanation:

The formula to find percent increase is $100 * \frac{final-initial}{|initial|}$ . We're given the initial value as 120 and the final value as 150.

$100*\frac{150-120}{|120|}$
$100*\frac{30}{120}$
$100*\frac{1}{4}$
$100/4$
$25$

Therefore, the percent increase is 25%.

4 0

2 years ago

If f(x) = -x + 5 and g(x) = x^2, what is (g*f)(-1)

sasho [114]

Answer:

Step-by-step explanation:

(g × f)(x) = g(x) × f(x) = x²(- x + 5)

To evaluate (g × f)(- 1) substitute x = - 1 into the product

x²(- x + 5)

= (- 1)²(- (- 1) + 5)

= 1(1 + 5)

= 1 × 6 = 6

5 0

3 years ago

You pick a card at random from an ordinary deck of 52 cards. If the card is an ace, you get 9 points; if not, you lose 1 point.

Andreyy89

Answer:

$a = 9\\b = 48\\c = -1$

Step-by-step explanation:

We know that:

In a deck of 52 cards there are 4 aces.

Therefore the probability of obtaining an ace is:

P (x) = 4/52

The probability of not getting an ace is:

P ('x) = 1-4 / 52

P ('x) = 48/52

In this problem the number of aces obtained when extracting cards from the deck is a discrete random variable.

For a discrete random variable V, the expected value is defined as:

$E(V) = VP(V)$

Where V is the value that the random variable can take and P (V) is the probability that it takes that value.

We have the following equation for the expected value:

$E(V) = \frac{4}{52}(a) + \frac{b}{52}(c)$

In this problem the variable V can take the value V = 9 if an ace of the deck is obtained, with probability of 4/52, and can take the value V = -1 if an ace of the deck is not obtained, with a probability of 48 / 52

Therefore, expected value for V, the number of points obtained in the game is:

$E(V) = \frac{4}{52}(9) + \frac{48}{52}(-1)$

So:

$a = 9\\b = 48\\c = -1$

3 0

3 years ago

Read 2 more answers

What is the area of this figure? Enter your answer in the box

DIA [1.3K]

The answer should be 51

4 0

3 years ago

Read 2 more answers

I don’t understand how to find x to solve.

umka21 [38]

Answer:

X + 3

Step-by-step explanation:

There is no definite working. The first container is what I call the base because everything is a little above the first container, X. They are basically asking you what is the total of the four jars bigger than X. In other words how many steps more to climb before the top floor while you are on the first step. So then you add the other numbers like 0.5 etc which will give you X +3. Hope it helps.

5 0

1 year ago