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3 years ago

Im in geometry and i legit have no idea how to do this help please lol

Mathematics

1 answer:

Elis [28]3 years ago

7 0

For length BC, where B(0,3) and C(4,-1)
following the axis, length ranges from 0 to 4(according to xaxis) and 3 to -1(according to yaxis) thus 4-0=4,3-(-1)=4 will give u length of 4 for BC.

For length EC, where E(2,-3) and C(4,-1)
following the axis,length ranges from 2 to 4(according to xaxis) and -3 to -1(according to yaxis), thus 4-2=2,-1-(-3)=2 will give u length of 2 for EC.
(its 4-2 and -1-(-3) not 2-4 and -3-(-1) as length cannot be -ve)

For lengths BF and EF, since BF//EC, BF=2. Since EF//BC, EF=4

Thus 4+2+4+2= 12 units

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When playing the roulette at a casino, you have exactly 1/35 chance of winning in each round if you play a single number. Your f

Vikentia [17]

Answer:

0.2275 = 22.75% probability that you actually won that round

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Fireworks going off

Event B: You won

Probability of fireworks going off.

100% of 1/35 = 0.0286(when you win)

10% of 34/35 = 0.9714(you lost). So

$P(A) = 0.0286 + 0.1*0.9714 = 0.12574$

Probability of you winning and fireworks going off:

100% of 1/35, so $P(A \cap B) = 0.0286$

If you failed to see the outcome of a round, but you see the fireworks going off, then what is the probability that you actually won that round?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0286}{0.12574} = 0.2275$

0.2275 = 22.75% probability that you actually won that round

8 0

3 years ago

At a concession stand, a pickle and two bags of chips costs a total of $3.25. Three pickles and four bags of chips costs a total

kolbaska11 [484]

Answer:

A bag of chips costs $1

A pickle costs $1.25

Step-by-step explanation:

P + 2c = 3.25 Start with these two equations

3p + 4c = 7.25

p = -2c + 3.25 Solve for one variable

3(-2c +3.25) + 4c = 7.25 Substitute

-6c + 9.75 + 4c = 7.25

-2c = -2

c = 1

p + 2(1) = 3.25 Substitute

p + 2 = 3.25

p = 1.25

4 0

4 years ago

At a game booth, a student gets a box of candy as the prize for winning a game. The boxes come in four colors: white, red, green

Amanda [17]

8 over 32 multiplied by 7 over 31 would be your answer for that question. the second part would be 7 over 31 because one of the boxes were already taken leaving us with only 7 not 8.

please mark brainliest.

7 0

4 years ago

Read 2 more answers

A constant volume of pizza dough is formed into a cylinder with a relatively small height and large radius. The dough is spun an

alexdok [17]

Answer:

The rate of change of each circular surface of the dough is approximately 150.796 in.²/minute

Step-by-step explanation:

The given parameters are;

When the radius of the dough, r = 12 inches, the radius is increasing at 2 inches per minute

Therefore, we have;

dr/dt = 2 in./min

The area of the circular surface of the dough, A = π·r²

The rate of change of each (top or bottom) circular surface area of the dough dA/dt is given as follows;

dA/dt = d(π·r²)/dt = π·2·r·dr/dt

Where;

r = 12 in.

dr/dt = 2 in./min

Substituting, we have;

dA/dt = π·2·r·dr/dt = π × 2 × 12 in. × 2 in./min ≈ 150.796 in.²/minute.

The rate of change of each circular surface of the dough = dA/dt ≈ 150.796 in.²/minute.

5 0

3 years ago

the left and right page numbers of an open book are two consecutive integers whose sum is 593. find these page numbers

kobusy [5.1K]

Answer:

296 and 297

Step-by-step explanation:

a+a+1=593

2a+1=593

2a=592

a=296

6 0

3 years ago