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3 years ago

seven less than the product of twice a number is greater than 5 more the same number which integer satisfies this inequality

Mathematics

2 answers:

zmey [24]3 years ago

7 0

2x-7>5+x

x>12

simples

just have to convert words into formula

JulsSmile [24]3 years ago

4 0

To answer this question, we would have to use algebra.

Let the unknown number be A.

Now, as per the question, we have the equation ->
2A - 7 > 5 + A
==> 2A - A > 5+7
==> A > 12

So, the final answer is --> A > 12

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Charlie’s portfolio has an expected annual return at 10%, with an annual standard deviation at 12%. Assume his investment return

Deffense [45]

Answer:

There is a 34.13% probability that the actual return will be between the mean and one standard deviation above the mean.

Step-by-step explanation:

This is problem is solving using the Z-score table.

The Z-score of a measure measures how many standard deviations above/below the mean is a measure. Each Z-score has a pvalue, that represents the percentile of a measure.

What is the probability that the actual return will be between the mean and one standard deviation above the mean?

One measure above the mean is $Z = 1$

The mean is $Z = 0$

This means that this probability is the pvalue of $Z = 1$ subtracted by the pvalue of $Z = 0$ .

$Z = 1$ has a pvalue of 0.8413.

$Z = 0$ has a pvalue of 0.50.

This means that there is a 0.8413-0.50 = 0.3413 = 34.13% probability that the actual return will be between the mean and one standard deviation above the mean.

3 0

3 years ago

Determinet the x-intercept for 3x+2y=14

DerKrebs [107]

The x-intercept is for y = 0.

Put y = 0 to the equation of a line 3x + 2y = 14

$3x+2(0)=14\\\\3x=14\qqud\text{divide both sides by 3}\\\\\boxed{x=\dfrac{14}{3}\to\left(\dfrac{14}{3};\ 0\right)}$

3 0

3 years ago

5y-intercept = -5Slope =T3'DO

svp [43]

Answer:

T3 = 30

Step-by-step explanation:

9x + 3y - 6z = 18. 6. 3x-5y+10z= 15.

10x + 4y+5z = 20

3 0

2 years ago

Which quadrant 20 degree in ?

elena55 [62]

Answer:

Therefore 20 degree is in First Quadrant,

i.e Quadrant I.

Step-by-step explanation:

QUADRANT:

When the terminal arm of an angle starts from the x-axis in the anticlockwise direction then the angles are always positive angles.

Quadrant I - 0° to 90°

Quadrant II - 90° to 180°

Quadrant III - 180° to 270°

Quadrant IV - 270° to 360°

Therefore 20 degree is in First Quadrant, i.e Quadrant I.

When the terminal arm of an angle starts from the x-axis in the clockwise direction than the angles are negative angles.

Quadrant IV - 0° to -90°

Quadrant III - -90° to -180°

Quadrant II - -180° to -270°

Quadrant I - -270° to -360°

4 0

3 years ago

Solve the combined inequalities <br>6-2x<=12 or 7+2x<-11

Debora [2.8K]

<span> x = 113/42 = 2.690 this is the answer I think hope it is correct I checked it tho

</span>

5 0

3 years ago