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3 years ago

If you triple 4 and subtract to each day how many days until you have zero

Mathematics

2 answers:

andreev551 [17]3 years ago

8 0

4 * 3 = 12 If you subtract 1 every day, then the answer will be 12 days.

Minchanka [31]3 years ago

4 0

4 x 3 = 12. If you subtract 2 every day then it will take you 6 days until you get to 0.

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A circular flower bed is m in diameter and has a circular sidewalk around it that is m wide. Find the area of the sidewalk in sq

Bess [88]

Answer:

Step-by-step explanation:

$A=\frac{\pi d^2}{4}\\ \\ A=\frac{\pi}{4}((2m)^2-m^2)\\ \\ 0.785(4m^2-m^2)\\ \\ 0.785(3m^2)\\ \\ A=2.355m^2$

8 0

3 years ago

Let X and Y be random variables with the following joint moment generating function: M_{X,Y}(s,t)=0.1+0.2e^s+0.3e^t+0.4e^{s+t}

MA_775_DIABLO [31]

We obtain the joint PMF directly from the joint MGF:

$M_{X,Y}(s,t)=0.1+0.2e^s+0.3e^t+0.4e^{s+t}$

$\implies\mathrm{Pr}[X=x,Y=y]=\begin{cases}0.1&\text{for }x=y=0\\0.2&\text{for }x=1,y=0\\0.3&\text{for }x=0,y=1\\0.4&\text{for }x=y=1\\0&\text{otherwise}\end{cases}$

Then

$\mathrm{Pr}[X=Y]=\mathrm{Pr}[X=Y=0]+\mathrm{Pr}[X=Y=1]=0.1+0.4=\boxed{0.5}$

8 0

3 years ago

The bases of a trapezoid are 11 meters and 14 meters. It’s height is 10 meters. What is the area of the trapezoid

Dmitriy789 [7]

Formula for area of a trapezoid: a = [(b1 + b2)/2] x h

Applied:

a = [(11 + 14)/2] x 10
a = [25/2] x 10
a = 12.5 x 10
a = 125

The area of the trapezoid is 125 meters squared.

8 0

4 years ago

3.-7 + 12 +15 =

KatRina [158]

a . ,34

b. -17

c. 18

d. 4

e. -52

f. 34

<h2>Please mark me as brainliest.?</h2>

7 0

4 years ago

What is the solution, if any, to the inequality 10x1207

vodka [1.7K]

Answer:

i think option b

no solution

Step-by-step explanation:

 no solution is the solution, if any, to the inequality 10x1207

4 0

2 years ago