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Nana76 [90]
2 years ago
15

Nancy is replacing the mat on her trampoline. The circular mat has a diameter of 18 feet. what is the area of the trampoline mat

to the nearest square foot?
Someone please help me <3 :( :)
Mathematics
1 answer:
hjlf2 years ago
7 0
Answer : 254 ft sq

A = pi x r^2

A = 3.14 x 81
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9. Kevin Durant scored 33 points in a recent game. Here are the outcomes of each
lyudmila [28]

Answer:

C

Step-by-step explanation:

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Don’t understand this @ all
irina1246 [14]
Pair (3,11) should be removed because the domain x should never be repeated in a function.
Plz mark me as brainliest? Hope it helps.
4 0
2 years ago
Write the answer in numeric form?
kondor19780726 [428]

Answer:

x=11. 38 degrees; 52 degrees

Step-by-step explanation:

90+6x-14+3x+5=180

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9x=99

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38 degrees, 52 degrees

8 0
3 years ago
Lynn had 90 flyers to hang up around school she gave 12 flyers to each of three volunteers then she took the remaining flyers an
DerKrebs [107]

Answer:

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7 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
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