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olchik [2.2K]
3 years ago
12

Can someone plz help me plzzzz I’m being timed

Mathematics
2 answers:
telo118 [61]3 years ago
5 0
19,21,23,25 easy hope this help you good luck in time
Musya8 [376]3 years ago
4 0

Answer:

1 = 19.     3 = 21.     7 = 25

Step-by-step explanation:

w = t + 18

19 = 1 + 18

21 = 3 + 18

25 = 7 + 18

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Let W be a random variable giving the number of heads minus the number of tails in three tosses of a coin. List the elements of
Levart [38]

Answer:

HHH, W = 3-0 = 3

HHT, W= 2-1=1

HTH, W= 2-1=1

THH, W=2-1 =1

HTT, W= 1-2=-1

THT, W= 1-2=-1

TTH, W=1-2=-1

TTT, W=0-3 = -3

So then the sample space for W is:

S= [-3,-1,1,3]

Just 4 possible values from 8 possible combinations for the 3 random tosses

Step-by-step explanation:

For this case we define W as the random variable who represent the number of heads minus the number of tails in three tosses of a coin.

W= # heads- # coins

Since we toss a coin 3 times we have 2*2*2= 8 possible results. We can list the results and the corresponding values for W like this:

HHH, W = 3-0 = 3

HHT, W= 2-1=1

HTH, W= 2-1=1

THH, W=2-1 =1

HTT, W= 1-2=-1

THT, W= 1-2=-1

TTH, W=1-2=-1

TTT, W=0-3 = -3

So then the sample space for W is:

S= [-3,-1,1,3]

Just 4 possible values from 8 possible combinations for the 3 random tosses

8 0
3 years ago
Match the ones that are highlighted please:(
vivado [14]

The answers are 2. B, 3. D, 4. C, and 5. A.

Step-by-step explanation:

Step 1:

For question 2. 4+4n = -12.

We subtract both sides by 4 to get

4+4n-4 = -12-4, 4n = -16, n = -4

For question 3. 4n=-12.

We divide the entire equation by 4 to get

\frac{4n}{4} = \frac{-12}{4} , n = -3.

Step 2:

For question 4. \frac{n}{4} = -12.

We multiply both sides by 4 to get

\frac{n}{4} (4)= -12(4).

n = -48.

For question 5. \frac{n}{4} -4 = -12.

We add 4 to both sides to get

\frac{n}{4} -4 +4= -12+4, \frac{n}{4} = -8.

n = -32.

So the answers are 2. B, 3. D, 4. C, and 5. A.

5 0
2 years ago
Can someone plz help me
ANEK [815]

Answer:

D)

Step-by-step explanation:

8 0
2 years ago
To avoid dehydration, a person should drink 8 ounces of water for every 15 minutes of exercise. How much water should Hahn drink
Lostsunrise [7]

Answer:

72

Step-by-step explanation:

1. Proportion:

8/15=x/135

2. Answer is 72

7 0
3 years ago
Yesterday Jamal scored -20
Nastasia [14]
That’s all? That give me no info to help you bud
8 0
3 years ago
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