The table above shows four numeric expressions. Which expression is an integer when it's evaluated?
Question 9 options:

A)

E

B)

H

C)

G

D)

F

Answer

314

Step-by-step explanation:

hope this helps ya

Answer:

-0.6, -0.2, 0, 0.5, 0.7

Step-by-step explanation:

To find out this answer, we know first that negatives are the least. And -0.6 is farther away from 0 than -0.2, so we can have -0.6, -0.2 as our last numbers.

Then, 0.5 and 0.7 are greater than 0, so, then we have -0.6, -0.2, 0.

Then, 0.7 is greater than 0.5, so we can arrange the final numbers:

-0.6, -0.2, 0, 0.5, 0.7

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Answer: -0.6,-0.2, 0, 0.5, 0.7

Step-by-step explanation: Use a number line

The rocket's maximum height is therefore 2704 feet, its maximum height is reached in 3 seconds, and the rocket reaches the ground at time t=16 seconds.

A parabola is an approximately U-shaped, mirror-symmetrical plane curve in mathematics. It corresponds to a number of seemingly unrelated mathematical descriptions, all of which can be shown to define the same curves. A parabola can be described using a point and a line.

Given,

A rocket is fired upward from some initial distance above the ground. Its height (in feet), h, above the ground t seconds after it is fired is given by h ( t ) = − 16 t 2 + 80 t + 384

Following is our relationship between height and time:

h ( t ) = − 16 t 2 + 80 t + 384

The vertex of the equation above is as follows because it is a parabola equation.

In this case, a = -16, b = 96, and c = 2560.

The highest point at:

= -96/(2×(-16)

= 96/32

= 3 sec.

Maximum height at three seconds later:

h = -16 ×3² + 96 × 3 + 2560

h = 2704 feet

The rocket reaches the ground at y = 0, adding the following value to the parabolic equation:

0 = 16t² + 96t + 2560

Once we've solved it, we'll get:

t = 16 or

t = -10

Time cannot be negative, so we will choose t = 16 seconds.

The rocket's maximum height is therefore 2704 feet, its maximum height is reached in 3 seconds, and the rocket reaches the ground at time t=16 seconds.

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The answer will be 13 km that is displacement of the car.

What is displacement?

When a body shifts from one position to another, displacement is the smallest (straight line) distance between the starting position and the ending position of the body, which is symbolized by an arrow pointing from the starting position to the ending position. Displacement is a vector quantity that describes "how far out of place an object is"; it represents the overall change in the position of the object.

A car travels 12 km north and turns left to travel 5km.

So the final position of car from the initial position is :

So the placement of the car is √(12²+5²) = √169 =13km

Hence the Displacement of the car is 13 km

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Answer:

So you see what happened there

the sides are not equal so there is no answer

the answer that is the closest is 8 = 0

Step-by-step explanation:

Add x to both sides

2 - x + 6 + x = -x + x

simplify

2 + 6 = 0

simplify 2 + 6: 8

8 = 0

Answer:

7x-5=86

Step-by-step explanation:

Answer:

  t(r) = log(r)/log(5) = log₅(r)

Step-by-step explanation:

You want the inverse of r(t)=5^t.

An exponential function is solved using logarithms.

  [tex]r = 5^t\qquad\text{given}\\\\\log(r)=t\cdot\log(5)\qquad\text{take logarithms}\\\\\boxed{t(r)=\dfrac{\log(r)}{\log(5)}}\qquad\text{divide by the coefficient of t}[/tex]

The change of base formula can be used to simplify this a bit.

  [tex]\boxed{t(r)=\log_5(r)}[/tex]

__

Additional comment

The latter form of the inverse function can be found directly at the first step by taking logarithms base 5.

The notation here is slightly different from the usual "inverse function" notation, where we designate the inverse of f(x) using f⁻¹(x). The notation we have used recognizes that the function r(t) generates ordered pairs (t, r), and the inverse function t(r) generates ordered pairs (r, t).

You are welcome to make use of whatever inverse function notation will satisfy your grader.

Answer: 68.61/6 = 11.435

The $28,000 investment will earn $696 more than the $16,000 investment if both make a 5.8% (APY) annual percentage yield for a year.

APY means annual percental yield.

Annual Percentage Yield describes the real interest rate earned on an investment in a year.

The Annual Percentage Yield refers to the interest an investment, saving, and loan attracts for the time value of money and inflationary effects.

The Annual Percentage Yield is applied to the investment amount for a year to calculate the interest earned.

                                 Plan A         Plan B

Investments            $28,000     $16,000

Interest earned         $1,624           $928 ($16,000 x 5.8%)

The difference in interest earned = $696 ($1,624 - $928)

Thus, when an investor puts $28,000 in a savings account at 5.8%, they earn $696 more than investing $16,000 at the same APY.

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The volume of the right circular cylinder is 3141592.65 centimeter cube  and the surface area is 125663.70 centimeter square

The diameter of the right circular cylinder = 200 cm

The radius = 200/2

= 100 cm

The height of the right circular cylinder = 100 cm

The volume of the right circular cylinder = π × [tex]r^2[/tex] × h

Where r is the radius

h is the height

Substitute the values in the equation

The volume = π × [tex]100^2[/tex] × 100

= 3141592.65 centimeter cube

The Surface area = 2πrh + 2π[tex]r^2[/tex]

Substitute the values in the equation

= 2×π×100×100 + 2×π×[tex]100^2[/tex]

= 62831.85 + 62831.85

= 125663.70 centimeter square

Hence, the volume of the right circular cylinder is 3141592.65 centimeter cube  and the surface area is 125663.70 centimeter square

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Answer:

∴ [tex]x = 9[/tex]

Step-by-step explanation:

         [tex]\frac{8}{6} = \frac{12}{x}[/tex]

[tex](\frac{8}{6})(6x) = (\frac{12}{x})(6x)[/tex]

       [tex]8x = 72[/tex]

     ∴ [tex]x = 9[/tex]

The value of x for the given question 8/6 = 12/x is 9.

In the given problem, we know that we need to perform fraction multiplication and algebra to find the value of x.

Here, on the left hand side, we have ⇒ 8/6 (i)

On the right hand side, we have ⇒ 12/x (ii)

To find the value of x, we perform cross multiplication between both sides (LHS and RHS). After performing this function, we get

⇒ 8x = 72

Solving this problem even further, we get  

⇒ x = 9

Therefore, the value of x is 9 for the given problem.

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Answer:

See below

Step-by-step explanation:

Amount of water in pool = 14 000 -  .5 x       where x is in minutes

1.5 hr = 90 minutes

amount of water in pool =  14 000 - .5(90) = 13 955 gal

The slope of the line T will be 1 and the y-intercept will be (0,4) in the given coordinate plane.

A line's steepness can be determined by looking at its slope. Slope is calculated mathematically as "rise over run" (change in y divided by change in x). The slope-intercept form of an equation is used whenever the equation of a line is expressed in the form y = mx + b. M represents the line's slope. In the case of the equation y = 3x - 7, the slope is 3 and the y-intercept is (0, 7). And b is the value of b in the point that is the y-intercept (0, b). By calculating the difference between the coordinates of the two points, (x1,y1) and (x2,y2), it is simple to calculate the slope of a straight line between them. The letter "m" is frequently used to denote slope.

Here,

The slope of line D=1

y-intercept=(0,0)

factor=2

coordinate=(3,4)

The slope will not change that will be 1.

y-intercept=0+4

=4

y-intercept=(0,4)

In the given coordinate plane, the y-intercept of line T will be (0,4) and its slope will be 1.

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The both fractional parts of an English ton are each of these fish.

The English ton, also known as the long ton, is equivalent to 2,240 pounds. Therefore, the fractional parts, of each of the two fish, of the English ton are:

Fish caught in region A weights = 279 lb

Therefore, fish caught in region A

A = 279 ÷ 2240

Fish caught in region B weights = 619 lb

Therefore, fish caught in region B

B = 619 ÷ 2240

Both fractions are irreducible.

So, both fractional parts of an English ton are each of these fish.

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Answer:

2

Step-by-step explanation:

i gotchu my boy

A 95​% confidence interval for the population proportion is ( 0.297, 0.335 ).

What is confidence interval?

A confidence interval (CI) for an unknown parameter in frequentist statistics is a range of estimations. The most popular confidence level is 95%, but other levels, such 90% or 99%, are occasionally used for computing confidence intervals. The fraction of related CIs over the long run that actually contain the parameter's true value is what is meant by the confidence level. The parameter's true value, for instance, should be present in 95% of all intervals computed at the 95% level.

Given that,

Point estimate = sample proportion = p' = x / n = 738 / 2336 = 0.316

 1 - p' = 1 - 0.316 = 0.684  

 Z(α/2) = Z(0.025)  = 1.96

A 95% confidence interval for population proportion p is ,

p' ±  E

= 0.316  ± 0.019

= ( 0.297, 0.335 )

With 95% confidence, it can be said that the population proportion of adults who believe in UFO's is between the endpoints of the given confidence interval  

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Answer:

y=-2/5x+4/5

Step-by-step explanation:

it’s parallel so it will have the same slope

2=-2/5(-3)+4

2=6/5+4

2=1 1/5+4

2=5 1/5

5 1/5-2=3 1/5

We know this is 3 1/5 to big so we subtract it from y intercept

4-3 1/5

4/5 is the new y intercept

2=-2/5(-3)+4/5

2=6/5+4/5

2=10/5

2=2

So now the equation is true

Hopes this helps

Answer:

Step-by-step explanation:

c

Answer:

It's A

Step-by-step explanation:

I=Prt

I=$660(3.5%)5

I=23.1(5)

I=$115.50

Answer:

36 minutes

Step-by-step explanation:

The total distance covered by the two vehicles per hour: 70 + 50 = 120 miles.

Time is distance over velocity.

[tex]t=\frac{72}{120}[/tex]  hours

Which simplifies to

[tex]\frac{3}{5}[/tex]  hours.

Convert hours to minutes.

There is 60 minutes in 1 hour.

[tex]\frac{1}{60}=\frac{\frac{3}{5} }{x}[/tex]

[tex]x=36[/tex]

Answer:

[tex]\frac{1}{27}((13)^{\frac{3}{2}}-(6)^ {\frac{3}{2}})[/tex]

Step-by-step explanation:

The required derivatives of the given hyperbolic functions are

d/dx(sinh3x) = 3cosh3x, d/dx(cosh7x) = 7sinh7x, d/dx(tanh6x) = 6sech²6x, d/dx(coth5x) = −5csch²5x, d/dx(sech3x) = −3sech3xtanh3x, and d/dx(csch7x) = −7csch7xcoth7x.

The differentiation formulas for the hyperbolic functions are below as

d/dx(sinhx) = coshx

d/dx(coshx) = sinhx

d/dx(tanhx) = sech²x

d/dx(cothx) = −csch²x

d/dx(sechx) = −sechxtanhx

d/dx(cschx) = −cschxcothx

As per the given question,

⇒ d/dx(sinh3x)

Using formula d/dx(sinhx) = coshx,

⇒ cosh3x × (d/dx(3x))

⇒ cosh3x (3)

⇒ 3cosh3x

⇒ d/dx(tanh6x) = 6sech²6x

⇒ d/dx(coth5x) = −5csch²5x

⇒ d/dx(sech3x) = −3sech3xtanh3x

⇒ d/dx(csch7x) = −7csch7xcoth7x

Thus, the required derivatives of the given hyperbolic functions are

d/dx(sinh3x) = 3cosh3x, d/dx(cosh7x) = 7sinh7x, d/dx(tanh6x) = 6sech²6x, d/dx(coth5x) = −5csch²5x, d/dx(sech3x) = −3sech3xtanh3x, and d/dx(csch7x) = −7csch7xcoth7x.

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By using the formula for compound interest, it can be calculated that

He must pay back $81095 after 9 years

What is Compound interest?

If the interest on a certain principal at a certain rate over a certain period of time increases exponentially, rather than linearly, then the interest earned is called compound interest

If p is the principal, r is the rate and t is the time, then the amount is calculated by the formula

[tex]A = p(1 + \frac{r}{100})^n[/tex]

The difference between the amount and the principal gives the compound interest.

Principal = $48000

Rate = 6%

Time = 9 years

Amount = [tex]48000(1+ \frac{6}{100})^9\\[/tex]

             = $81095

He must pay back $81095 after 9 years

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A savings account with a set term and interest rate is known as a certificate of deposit (CD). While CDs often provide greater rates than traditional savings accounts, you can't get to your money right away until the term is over.

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1.  The rewritten form of the equation is (x + 2)² = -6

2. The solutions to the equation are 0.45 and -4.45

Given,

The equation;  

0=x^2+4x+10

1. We have to rewrite the equation;

x² + 4x + 10 = 0

x² + 4x = -10

Add the square of the half of coefficient of x to both sides

4/2 = 2

x² + 4x  + 2² = -10 + 2²

x² + 4x + 4 = -6

(x + 2)² = -6

Therefore,

The rewritten form of the equation is (x + 2)² = -6

2. Calculate the value of x

(x + 2)² = -6

Square root both sides

√(x + 2)² = ±√6

x + 2 = ±2.45

x= ±2.45 - 2

x = 2.45 - 2 and -2.45 - 2

x = 0.45 and -4.45

Hence the solutions to the equation are 0.45 and -4.45

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Answer:

0=x²+4x+1

3=(x+2)²

x=−2± [tex]\sqrt{3}[/tex]

Step-by-step explanation:

Solving a system of equations we will see that the speed of the wind is 60mi/h.

When the plane flies with the wind, the two speeds adds up, while if the plane flies against the wind, the speeds need to be subtracted.

We know that the speed of the plane is 300 mi/h.

If the speed of the wind is W, then we can write the two equations:

(300 mi/h + W)*t = 600mi

(300mi/h - W)*t = 400mi

So we have a little system of equations, if we take the quotient between them we get:

[(300 mi/h + W)*t]/[(300mi/h - W)*t ] = 600mi/400mi

(300 mi/h + W)/(300mi/h - W) = 6/4

Now we can solve this for W.

(300 mi/h + W) = (6/4)*(300 mi/h - W)

W + (6/4)*W = (6/4)*300mi/h - 300 mi/h

W*(10/4) = 150 mi/h

W = (4/10)*150 mi/h

W = 60 mi/h

That is the speed of the wind.

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Answer:

Step-by-step explanation: xxxdadyxxx12 snap

y

Answer:

1/2

Step-by-step explanation:

The equation given is put in slope intercept form

y = mx + b

where m = slope and b = y intercept

In the equation y = 1/2x + 3/2,
"1/2" takes the spot of "m" meaning that the slope of the equation is 1/2

Answer: x = 5

Step-by-step explanation:

3x + 6 = 21

3x = 21 - 6

3x = 15

x = 15/3

x = 5

Answer: X =5

Step-by-step explanation:  Subtract both sides by 6 to isolate 3x:

3x+6-6=21-6

3x=15

Divide both side by 3 to come up with x:

X=5.

A shortcut method but it does not follow the correct rules of math but if you're in a hurry it works:

3x+6=21

transfer +6 converting the sign to a -6

3x-=21-6

Subtract 3x=15

Divide by the number with x (3)

x=5

The value of the house when it was purchased is 260,000 units

The house has increased in value by 15 percent since it was purchased. The current value is 299,000.

The value of the house when it was purchased can be calculated as follows:

let the amount purchased = x

Hence,

15% of x + x  = 299000

0.15x + x  = 299000

1.15x = 299000

divide both sides by 1.15

Hence,

x = 299000 / 1.15

x = 260000

Therefore, the value of the purchase is 260,000 units

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The expression -9z - 21y - 2.4 ​when -3 is factored out is -3(3z + 7y + 0.8)

From the question, we have the following expression that can be used in our computation:

-9z - 21y - 2.4 ​

The common factor is given as

-3

So, we divide -9z - 21y - 2.4 ​ by 3

The results of these divisions are

-9z/3 = -3z

- 21y/3 = -7y

- 2.4 /3 = -0.8

So, we have the following results

-9z - 21y - 2.4 ​ = -3(3z + 7y + 0.8)

Hence, the factored expression is -3(3z + 7y + 0.8)

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