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Alecsey [184]
3 years ago
14

Whats 2+2-1+4x4-12-7

Mathematics
2 answers:
Eduardwww [97]3 years ago
6 0

Answer:

is the answer 0

Step-by-step explanation:

natali 33 [55]3 years ago
3 0

Answer:

25

Step-by-step explanation:

2+2-1+4x4-12-7

4-1+4x4-12-7

3+4+4x4-12-7

7+4x4-12-7

11x4-12-7

44-12-7

32-7

25

hope help :) .^.

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A roulette wheel has the numbers 1 through 36, 0, and 00. A bet on four numbers pays 8 to 1 (that is, if you bet $1 and one of t
Natasha_Volkova [10]

Answer:

Lose $0.05

Step-by-step explanation:

There are 38 possible spots on the roulette wheel (numbers 1 to 36, 0 and 00).

If the player can choose four numbers on single $1 bet, his chances of winning (W) and losing (L) are as follows:

P(W) = \frac{4}{38} \\P(L) = 1-P(W) = 1-\frac{4}{38} \\P(L) = \frac{34}{38}

The expected value of the bet is given by the probability of winning multiplied by the payout ($8), minus the probability of losing multiplied by the bet cost ($1)

EV=\frac{4}{38}*\$8 -\frac{34}{38}*\$1\\EV= -\$0.05

On each bet, the player is expected to lose 5 cents ($0.05).

4 0
3 years ago
The value of y varies directly as x, with a constant of variation of -8. What is the value of y when x is 7?
slega [8]

Answer:

y = -56

Step-by-step explanation:

The equation for direct variation is

y = kx  where k is the constant of variation

y = -8 x

We know x =7

y = -8*7

y = -56

6 0
3 years ago
Read 2 more answers
Elena runs for 28 seconds and finishes at 250 seconds what is her velocity please explain
ExtremeBDS [4]

Answer:

The velocity is 8.93 meters/second.

Step-by-step explanation:

It is given that  Elena runs for 28 seconds and finishes at 250 meters.

Here the displacement is 250 meters and the time is 28 seconds.

We know that  V=\dfrac{\text{Displacement}}{\text{Time}}

Substitute displacement = 250 and time = 28 in above formula.

V=\dfrac{250}{28}

V\approx 8.93 meters/second

Hence, the velocity is 8.93 meters/second.

5 0
3 years ago
What is the GCF for 24, 48m
katrin2010 [14]
The GCF of 24 and 48 is 24.

48 / 24 = 2
24 / 24 = 1
4 0
3 years ago
Read 2 more answers
F(x) = x2 + 2x-5<br> g(x) = -3/2 - 4x + 1<br> What is f(x) – g(x)?
NeX [460]

Step-by-step explanation:

Start by finding (fog)(x)

To find this function, substitute x=

x−1

4

That is g(x) into f(x)

⇒(f∘g)(x)=(

x−1

4

)

2

−2(

x−1

4

)+5

=

(x−1)

2

16

−

x−1

8

+5

Now substitute x=3

⇒(f∘g)(3)=

(3−1)

2

16

−

3−1

8

+5

=

4

16

−

2

8

+5=4−4+5=5.

Hope it helps:)

6 0
3 years ago
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