Porcent. Word Problems
1) Potor want to his local zoo that featured 28 bird cachibits. If these bird ochibits make up
80% of the zoo's exhibits, then how many exhibits does the zoo have in total? Round your
answer to the nearest whole number if necessary.

Answer:

-2(x+2)(4x-35)

Step-by-step explanation:

Answer:

Y = 2x^2+12x+44 (standard form / quadratic form)

Step-by-step explanation:

2(x+3)^2+26

2(x^2+6x+9) + 26

2x^2+12x+18+26

2x^2+12x+44

Answer:

12

Step-by-step explanation:

-3 * 2 is -6

-6 * -2 is 12

because a negative times a negative is positive

Answer:

The answer would be y=-1/3x+1.

Step-by-step explanation:

To find the slope, you must use the formula y2-y1/x2-x1. That would make it 1-2/0-(-3) which the slope is -1/3. Now, using the formula y-y1=m(x-x1) which would be y-2=-1/3(x-(-3) if you plug it in. Solving the equation, you would get y=-1/3x+1.

Answer:

that depends on the year. like round from 2020?

Step-by-step explanation:

Answer:

Solve for  

x

by simplifying both sides of the inequality, then isolating the variable.

Step-by-step explanation:

Answer:

Does the name, Josh, Sound familiar? Maybe that'll ring a bell of why I'm saying this.

Step-by-step explanation:

Answer:

1)1/3

2)3

Step-by-step explanation:

rise over run then reduce

Answer:

a. remain the same

b. decrease

c. remain the same

d. t decreases

the answers are in bold letters under each question. Thank you

Step-by-step explanation:

a. A switch from using a two-tailed test to a one-tailed test

A switch from 2 tailed test to one tailed test will have t statistic remain the same. This does not change the value of t statistic

b. An increase in the sample variance (s^2)

when sample variance s^2 is increased, we will have it that standard error has increased. therefore t statistic will decrease

c. An increase In the significance level (such as using α= 0.05 instead of σ= 0.02)

t statistics will remain the same. this is due to the fact that significance level is not a part of the t statistics formula.

d. A decrease in the sample Size (n)

when sample size is decreased, standard error will increase. therefore t statistic will decrease.

The use of student-test implies:

The solution is:

a) t(s) will be the same

b) t(s) will decrease

c) t(s) will be the same

d) t(s) will decrease

a) To calculate t(s), we use the equation:

t(s) = (μ  -  μ₀)/s/√n         (1)

where:

μ is sample mean

μ₀ is the population mean

s is sample standard deviation

n sample size

As  we can see, t(s) does not depend on the confidence level (α), therefore changing confidence level,  would not affect t(s) value

b) Increasing s²,  will make t(s) decrease as from equation (1)

c) As explained in letter a), t(s) does not depend on α. Hence, changing α, would not affect the value of t(s)

d) If the sample size n  decrease t(s) will decrease

Related Links: https://brainly.com/question/14004751

Answer:

if its not simplified then 18/5 but if it has to be simplified then its 3 3/5

Answer:10

Step-by-step explanation:

I guessed

The area of the rectangle is 200 square cm

The radius of the circle is given as:

[tex]r = 5cm[/tex]

The width of the rectangle is made by 2 circles (i.e. 4 radii).

So, we have:

[tex]Width = 4r[/tex]

The length of the rectangle is made by 1 circle (i.e. 2 radii).

So, we have:

[tex]Length = 4r[/tex]

The area of the rectangle is then calculated as:

[tex]Area =Length * Width[/tex]

This gives

[tex]Area = 2r * 4r[/tex]

[tex]Area = 8r^2[/tex]

Substitute 5 for r

[tex]Area = 8 * 5^2[/tex]

[tex]Area = 200[/tex]

Hence, the area of the rectangle is 200 square cm

Read more about areas at:

https://brainly.com/question/14137384

8x^(2)+3x-18, simplified,

Answer:

15.99 or rounded to 16 days

Step-by-step explanation:

1,840 divided by 805 = 2.28

2.28 times 7 = 15.99

Step-by-step explanation:

There are seven days in one week. To find out how much money this man earns in ONE day, you can divide $805 by 7 days like so:

$805 / 7 days = $115 per day

To find out how many days it takes for the man to earn $1,840, you must divide $1,840 by $115 to get the number of days like so:

$1,840 / 115$ = 16 days

Therefore, the man earns $1,840 in 16 days.

Answer:

D

Step-by-step explanation:

It would most likely have to be above 83 to bring the average down, so A and B are out. It would most likely be D, since it would equally be 5 between 80.5 and 85.5 to get an even 83.

Answer:

Step-by-step explanation:First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly:

5m +5n+6m−4n

Next, group like terms:

5m+6m+5n−4n

Now, combine like terms:

(5+6)m+(5−4)n

11m+1n

11m+n

Answer: 1 15/100

Step-by-step explanation: 2 1/2- 1/2 = 2 - 3/4 = 1 3/4 - 3/5 = 1 15/100

Given parameters:

Total volume of milk Ruchi has  = [tex]2\frac{1}{2}[/tex] liters

Amount used for curd  = [tex]\frac{1}{2}[/tex] liters

Amount used for tea = [tex]\frac{3}{5}[/tex] liters

Amount used for coffee  = [tex]\frac{1}{4}[/tex] liters

Unknown:

Quantity of milk used by the children for break fast = ?

Since this quantity is the remaining volume;

Remaining volume  = Total volume - (Amount used for curd + amount used for tea + amount used for coffee)

  Remaining volume = [tex]\frac{5}{2} - (\frac{1}{2} + \frac{3}{5} + \frac{1}{4} )[/tex]

 Remaining volume = [tex]\frac{23}{20}[/tex]

The remaining volume used by the children is [tex]\frac{23}{20}[/tex]

Answer:

(3)(6)

Step-by-step explanation:

I did the quiz

George could have used the expression (0.30)(60) to determine 30% of 60.

George could have used the expression (0.10)(6)(0.10)(60) to determine 30% of 60.

(0.10) represents 10% or 0.10 as a decimal. Since 30% is three times 10%, George can use three instances of (0.10) to represent 30%.

(6) represents the value 6, which is the number being multiplied by the percentage.

(0.10)(60) represents 10% of 60, which is 6.

Multiplying (0.10)(6)(0.10)(60) gives us the result of 6, which is 30% of 60.

Therefore, George could have used the expression (0.10)(6)(0.10)(60) to calculate 30% of 60.

Learn more about expression at https://brainly.com/question/1859113

#SPJ2

Answer:

thousands?

Step-by-step explanation:

10x100=1000

Answer:

10·100=1000. (THOUSANDS)

Step-by-step explanation:

Step-by-step explanation:

Enter a problem...

Calculus Examples

Popular Problems Calculus Find the Asymptotes f(x)=(2x^2)/(x^2-1)

f

(

x

)

=

2

x

2

x

2

−

1

Find where the expression

2

x

2

x

2

−

1

is undefined.

x

=

−

1

,

x

=

1

The vertical asymptotes occur at areas of infinite discontinuity.

x

=

−

1

,

1

Consider the rational function

R

(

x

)

=

a

x

n

b

x

m

where

n

is the degree of the numerator and

m

is the degree of the denominator.

1. If

n

<

m

, then the x-axis,

y

=

0

, is the horizontal asymptote.

2. If

n

=

m

, then the horizontal asymptote is the line

y

=

a

b

.

3. If

n

>

m

, then there is no horizontal asymptote (there is an oblique asymptote).

Find

n

and

m

.

n

=

2

m

=

2

Since

n

=

m

, the horizontal asymptote is the line

y

=

a

b

where

a

=

2

and

b

=

1

.

y

=

2

There is no oblique asymptote because the degree of the numerator is less than or equal to the degree of the denominator.

No Oblique Asymptotes

This is the set of all asymptotes.

Vertical Asymptotes:

x

=

−

1

,

1

Horizontal Asymptotes:

y

=

2

No Oblique Asymptotes

9514 1404 393

Answer:

Step-by-step explanation:

The difference in ratio units is 6-4 = 2, which corresponds to 200 people. So, each ratio unit corresponds to 200/2 = 100 people. Then the ratio 6 : 4 corresponds to 600 : 400 = smart : flip owners.

The number of phone owners is ...

  600 smart phone

  400 flip phone

Answer:

2x + 5 ≤ x - 3

Step-by-step explanation:

Answer:

[tex]2x + 1 < 5[/tex]

a. 2√21 units

Hi there !

Area formula

A = π·r²

84π = πr²

r² = 84π/π

r² = 84

r² = 2²×3×7

r = √2²×3×7

r = 2√3×7

r = 2√21

Good luck !

Answer:

[tex]d = 33[/tex]

Step-by-step explanation:

Distance Formula: [tex]d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Simply plug in the 2 coordinates into the distance formula to find distance d:

[tex]d = \sqrt{(13-13)^2+(-14-19)^2}[/tex]

[tex]d = \sqrt{(0)^2+(-33)^2}[/tex]

[tex]d = \sqrt{(-33)^2}[/tex]

[tex]d = 33[/tex]

Answer:

the distance between the two points is 33 units.

Step-by-step explanation:

because the two points have the same x value, we only need to consider the y values.

find the difference to solve for the distance.

[tex]19-(-14)\\19+14\\33[/tex]

the answer is 33 units.

hope this helps :)

Answer:

$78.25

Step-by-step explanation:

Each adult = $11.50

Each child = $8.75

3 adults and 5 children

(11.50 x 3) + (8.75 x 5)

34.5 + 43.75 = $78.25

11.50 x 3 = 34.50

8.75 x 5 = 43.75

34.50 + 43.75 = 78.23

$78.23

Answer:

Terminating

Step-by-step explanation:

Just did it!

Answer:

-5.236 is a terminating decimal. I hope this helps you!

Answer: 1.28

Step-by-step explanation:

$6.84 divided by 3 = 3.28

$10.24 divided by 4 = 4.56

3.28 - 4.56 = 1.28

Hope this helps!

(If you need me to explain more just comment)

Answer:

no solution

Step-by-step explanation:

Answer:

y = -3/4x + 6.75

Step-by-step explanation:

Slope intercept form is y = mx + b, where m is the slope and b is the y intercept.

Plug in the given point and slope into the equation, then solve for b:

y = mx + b

3 = -3/4(5) + b

3 = -3.75 + b

6.75 = b

Then, plug in the slope and y intercept into the equation:

y = -3/4x + 6.75 is the equation of the line in slope intercept form