The **correct option **is **D**.[tex]0< x\leq 20[/tex] and [tex]0< y\leq 60[/tex].

Given, [tex]x[/tex] **represent **the number of **male birds **and [tex]y[/tex] represent the number of **female birds**.

The flock needs to have exactly **three times **more **females **than males to **thrive**.

So, in equation form we have,

[tex]y=3x[/tex]........(1)

Since, The **zoo **only has room for a **maximum **of **20 male birds.
**

So, we can write the **inequality **for [tex]x[/tex] as,

[tex]0< x\leq 20[/tex]......(2)

Since The **maximum number **of male birds is **20**, so for [tex]x=20[/tex]

y will be,

[tex]y=3\times 20\\[/tex]

[tex]y=60[/tex]

**Hence, **The **maximum number **of female **birds **is **60.
**

So, we can write the inequality for [tex]y[/tex] as,

[tex]0< y\leq 60[/tex]

Hence the **required constraints **are [tex]0< x\leq 20[/tex] and [tex]0< y\leq 60[/tex].

For more details on **Inequality **follow the link:

https://brainly.com/question/19491153

**Answer:d **

**Step-by-step explanation: did the test**

what is the answer???

**Answer:**

[tex] \frac{65}{97} [/tex]

Cosine ∅ = adjacent ÷ hypotenuse

Rounded to the nearest hundredth the answer is 0.670.

We know

[tex]\boxed{\sf cos\Theta=\dfrac{Base}{Hypotenuse}}[/tex]

Now

[tex]\\ \sf\longmapsto cosU=\dfrac{SU}{TU}[/tex]

[tex]\\ \sf\longmapsto cos U=\dfrac{65}{97}[/tex]

[tex]\\ \sf\longmapsto cosU=0.67[/tex]

a rectangular patio has an area of 198.4 square meters the width of the patio is 16 meters what is the length

**Step-by-step explanation:**

the answer thats it 12,4

**Answer:**

12.4 meters

**Step-by-step explanation:**

The area is the product of length and width. Fill in the given information in the formula and solve for length.

A = LW

198.4 = L×16

198.4/16 = L = 12.4

**The length of the patio is 12.4 meters**.

What is the slope of the line containing the points (-6,4) and (2,1)

In order to find the slope, we need the formula (y2-y1)/(x2-x1). The x and y represent the point (x,y). (-6,4) is our first point. (2,1) is our second point. (1-4)/2-(-)6 > -3/2+6> -3/8

The slope is -3/8.

The slope is -3/8.

what does the term ‘slope’ mean?

**Answer:**

noun

1.

a surface of which one end or side is at a higher level than another; a rising or falling surface.

**Step-by-step explanation:**

steepness

The slope of a line is a measure of its steepness. Mathematically, slope is calculated as "rise over run" (change in y divided by change in x)

step one: identify two points on the line

step two: select one to be (x1,y1) and the other to be (x2,y2)

step three: use the slope equation calulate slope

2x-3=8+7(+3)

2y-3(+3)=8x+7(+3)

2y=8x+10

----- --------

2y=8x+10

y=4x+5

Answer:

m=4

A box of 15 markers cost is $2.40 how much will a box of 40 marker’s cost￼￼

**Answer:**

$6.40

**Step-by-step explanation:**

**Answer:**

**Step-by-step explanation:**

6.4

The same amount of trash is dumped into a landfill every day. The function below shows the total number of tons of trash n in the landfill after x days: n = 2000x 1000 What does the number 1,000 represent? Amount of trash originally in the landfill Amount of trash added to the landfill every day Rate at which the total trash increases every day Rate at which the new trash increases every day.

The number 1000 **represents **the **amount **of **trash **originally in the landfill.

Given that,

The same amount of **trash **is dumped into a **landfill **every day.

The **function **below shows the total number of **tons **of **trash n **in the **landfill **after** x **days**:**

n = 2000x + 1000

We have to **determine**,

What does the **number **1,000 represent?

**According **to the **equation**,

The **function **is,

n = 2000x + 1000

The initial value of a **function **is **defined **as the started value of the function **independent **of any **variables **present in the **function**.

Here, **n** represent the **amount **of **trash **and **x **represents the **number **of days**.**

Therefore,

n = 2000x + 1000

In the equation 1000 is the **number **of **days **elapsed and 2000 represents the **quantity **of **trash **dumped each day.

Hence, The number 1000 represents the **amount **of **trash **originally in the **landfill**.

For more information about **Equation **refer to the link given below.

https://brainly.com/question/7383794

The correct answer would be A, the amount originally in the landfill.

(2x-3)(x+5)-(x-6)(x+5)=0

X=-5,-3

That’s would be the answer

That’s would be the answer

ITS POSSIBLE MAYBE I DEFINITELY DIDNT READ UR THING 7

Don’t understand this one, hoping for help

The number must be be 67 and 113. It must be a multiple of 3, 6, AND 9. For instance, 18 is a multiple of 3, 6, and 9. 3*6 is 18, 6*3 is 18, and 9*2 is 18.

The answer is: 72, 90, 108

These are all multiples of 3, 6, and 9. 3*24, 12*6, and 9*8 is 72. 3*30, 6*15, and 9*10 is 90. 6*36, 6*18, and 9*12 is 108.

The answer is: 72, 90, 108

These are all multiples of 3, 6, and 9. 3*24, 12*6, and 9*8 is 72. 3*30, 6*15, and 9*10 is 90. 6*36, 6*18, and 9*12 is 108.

The two triangle shown below are similar triangles.

What is the value of d in meters?

D is 4 metres and the scale factor is 6

The arcs in the photo at the right appear to

be paths of stars rotating about the North Star, To produce this effect, the

photographer set a camera on a tripod and left the shutter open for an

extended time. If the photographer left the shutter open for a full 24 hours,

each are would be a complete circle. You can model a star's rotation" in the

coordinate plane. Place the North Star at the origin. Let P(1, 0) be the position

of the star at the moment the camera's shutter opens. Suppose the shutter is

left open for 2 h 40 min, with the arc ending at P. a. What angle of rotation

maps Ponto P? b. What are the x and y coordinates of P to the nearest

thousandth? c. What translation rule maps P onto P?

**Answer:**

a. What angle of rotation maps Ponto P?

30.25 degrees

b. What are the x and y coordinates of P to the nearest thousandth?

(83.3, 33.3)

c. What translation rule maps P onto P?

Rotation

function g is represented by th table.

x -1 0 1 2 3

g(x) 15 3 0 -¾ -15/16

Which statement correctly compares the two functions?

А.They have the same x- and y-intercepts.

B.They have different x- and y-intercepts but the same end behavior as x approaches infinity.

C.They have the same y-intercept and the same end behavior as x approaches infinity.

D.They have the same x-intercept but different end behavior as x approaches infinity

**Answer:**

D. They have the same x-intercept but different end behavior as x approaches infinity

**Step-by-step explanation:**

A careful comparison reveals the g(x) values in the table are 1/2 the y-values in the graph. **The x-intercepts are the same, but the y-intercepts and end behavior are different**.

Use traditional division to solve 6432 ÷ 24.

Ok done. Thank to me:>

**Answer:**

(not my answer but) its 268

**Step-by-step explanation:**

To solve 5x + 2 = 1/125, you would first:

5x + 2 = 1/125

5x = 1/125-2

5x = -249/125

x= -249/625

5x = 1/125-2

5x = -249/125

x= -249/625

The **solution **of the given **equation**5x + 2 = 1/125** **would be equal to -229/625.

A **system **of **equations **is two or more **equations **that can be solved to get a **unique solution**. the power of the **equation **must be in one **degree**.

**Solutions **to an **equation **are those **values **of the **variables **involved in that **equation **for which the **equation **is true.

The **solution **of the given **equation **is

[tex]5x + 2 = 1/125\\5x = 1/125-2\\5x = -249/125\\x= -249/625[/tex]

Learn more about finding the **solution graphically **here:

https://brainly.com/question/26254258

#SPJ2

Chromosome 13 in the human body contains a DNA molecule that is about 3.19 centimeters long.

What is the length of 1,000 of these molecules?

your answer is 3,190 centimeters. or 31.9 meters

Sue is still a waitress. If she worked 21 hours this week and made $70 in tips she didn't

make enough for her weekly pay to be above minimum wage. How much does her

employer have to pay to make up the difference and ensure that she makes minimum

wage for the week?

**Answer:**

more than 23.3 $

**Step-by-step explanation:**

if we say she will work minimum 4 hours in day that mean it will be 28 hours

so she left 7 hours behind

and she make 3.33$ per hour (70/21=3.33) so (7 * 3.33 = 23.3) she need more than 23.3$

Use the graph of △ABC with midsegments DE, EF and DF. Show that EF is parallel to AC and that EF=1/2 AC

According to the **midsegment theorem**, the midsegments are parallel to

and half the **length **of the opposite side.

The completed statement are as follows;

Because the slopes of [tex]\overline{EF}[/tex] and [tex]\overline{AC}[/tex] are both -4, [tex]\overline{EF}[/tex] ║ [tex]\overline{AC}[/tex]EF = [tex]\underline{\sqrt{17}}[/tex] and AC = [tex]\underline{2 \cdot \sqrt{17} }[/tex]Because [tex]\underline{\sqrt{17} }[/tex] = [tex]\underline{\frac{1}{2} \cdot 2 \cdot \sqrt{17} }[/tex], [tex]EF = \frac{1}{2} \cdot AC[/tex]**Reasons**:

From the **given **graph of **ΔABC**, we have;

Coordinates of the points *A*, *B*, and *C *are; **A(-5, 2)**, **B(1, -2)**, and **C(-3, -6)**

The **coordinates **of the **point D** and E on [tex]\mathbf{\overline{DE}}[/tex] are; D(-4, -2), and E(-2, 0)

The coordinates of the point F is; **F(-1, -4)**

[tex]Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

[tex]\displaystyle Slope \ of \ line \ \overline{AC} = \mathbf{\frac{(-6) - 2}{-3 - (-5)} = \frac{-8}{2}} = -4[/tex]

[tex]\displaystyle Slope \ of \ line \ \overline{EF} = \frac{0 - (-4)}{-2 - (-1)} = \frac{4}{-1} = -4[/tex]

[tex]Length \ of \ segment,\ l = \sqrt{\left (x_{2}-x_{1} \right )^{2}+\left (y_{2}-y_{1} \right )^{2}}[/tex]Length of EF = **√((-1 - (-2))² + (-4 - 0)²) **= √(17)

Length of AC = √((-3 - (-5))² + (-6 - 2)²) = √(4 × 17) = **2·√(17)**

Therefore, we have;

Because the **slope **of [tex]\mathbf{\overline {EF}}[/tex] and [tex]\mathbf{\overline {AC}}[/tex] are both , -4, [tex]\overline {EF}[/tex] ║ [tex]\overline {AC}[/tex]. **EF** = [tex]\underline{\sqrt{17}}[/tex], and **AC**

= [tex]\underline{\frac{1}{2} \cdot 2 \cdot \sqrt{17}}[/tex],. Because [tex]\underline{\sqrt{17}}[/tex] = [tex]\underline{\frac{1}{2} \cdot 2 \cdot \sqrt{17}}[/tex], [tex]EF =\mathbf{ \frac{1}{2} AC}[/tex]

Learn more about **midsegment theorem **of a triangle here:

https://brainly.com/question/7423948

Plz answer I will make brainiest plzzz I need right answer ASAP!!!!!

**Answer:**

its 6 square feet

s = 1

1^2 = 1

6 x 1 = 6

make r the subject of the formula

**Answer:**

r=[tex]\frac{3t}{t-1}[/tex]

**Step-by-step explanation:**

t(r-3)=r

tr-3t=r

tr-r=3t

r(t-1)=3t

r=[tex]\frac{3t}{t-1}[/tex]

please answer quickly!!

**Answer:**

Slope: 4

Intercept: 9

**Step-by-step explanation:**

Hope this helped! :)

can someone help me find the fa tor of (128m^2n^5 - 200m^4n^3)?

**Answer:**

[tex]8m^2n^3[/tex], [tex]4n-5m[/tex], and [tex]4n+5m[/tex]

**Step-by-step explanation:**

[tex]128m^2n^5-200m^4n^3[/tex] <-- Given

[tex]m^2(128n^5-200m^2n^3)[/tex] <-- Factor out m²

[tex]m^2n^3(128n^2-200m^2)[/tex] <-- Factor out n³

[tex]8m^2n^3(16n^2-25m^2)[/tex] <-- Factor out 8

[tex]8m^2n^3(4n-5m)(4n+5m)[/tex] <-- Difference of Squares

Therefore, the factors are [tex]8m^2n^3[/tex], [tex]4n-5m[/tex], and [tex]4n+5m[/tex]

5x + 15y = 1200 models how many cars washed (x) and how many bikes sold (y) Jim has to do to save $1200. Of the four combinations of car washed and bikes sold below, which does NOT result in $1200?(3, 79)(6, 78)(8, 76)(9, 77)

**Answer:**

(8, 76)

**Step-by-step explanation:**

Kenny has a bag of marbles. The bag contains 8 red marbles, 5 blue marbles, and 2 yellow marbles. He will randomly select 1 marble from the bag. What is the probability Kenny will select a blue marble?

The probability Kenny would select a blue marble is 1/3.

how many 2 digit combos can you make with numbers 1, 2, and 3?

**Answer:**

9 i believe

**Step-by-step explanation:**

11

12

13

21

22

23

31

32

33

Pls answer me this (WILL MARK BRAINLIEST)

**Answer:**

a=3 b= -40

**Step-by-step explanation:**

.....

A driver travels for 2 hours at 90 miles per hour, during which her car gets 30 miles per galoon of gasoline. She is paid $0.70 per mile, and her only expense is gasoline at $4 per gallon. What is her net rate of pay, in dollars per hour, after this expense?

Answer:

Her net rate of pay in dollars per hour after the expense = $26

Step-by-step explanation:

Given:

Driver travels for 2 hours.

Speed = 60 miles per hour

Her car runs at the rate of 30 miles per gallon of gasoline.

She is paid $0.50 per mile.

Expenses is price of gasoline at the rate of $2.00 per gallon.

To find her net rate of pay in dollars per hour.

Solution:

In one hour the driver travels = 60 miles

For each mile she is paid = $0.50

So, for 60 miles she will be paid =

In a gallon of gasoline the car travels = 30 miles

So, to travel 60 miles, the car would require = gallons of gasoline

1 gallon of gasoline cost = $2.00

Expenses for 2 gallons of gasoline =

So, in one hour she gets paid =$30 and her expenses for an hour drive = $4.

Thus, her net rate of pay in dollars per hour after the expense =

Brainlist please

The net **rate** of pay is** $122 **for the two hours journey.

The** driver** travels for** 2 hours **at 90 miles per hour.

**Total distance travelled** = 2 hours * 90 miles per hour =** 180 miles**

**Money paid to driver **= $0.70 per mile * 180 miles = **$126**

Fuel consumption = 30 miles per gallon, hence:

Total fuel consumption = 180 miles / (30 miles per gallon) = 6 gallon

Total expense = $4 per gallon * 6 gallon = $24

**Net rate of pay** = $126 - $24 = **$122**

The net **rate** of pay is** $122 **for the two hours journey.

Find out more on **equation** at: https://brainly.com/question/2972832

a=5 and b=-5 , 2ab-a^(2)

**Answer:**

**Step-by-step explanation:**

2(5)(-5)-(5)^2

=−75

Find the exact value of sin 29π/6

Group of answer choices

a 3/4

b 1/2

c -3/5

d 0

**Answer:**

b

**Step-by-step explanation:**

Remove full rotations of

2

π

until the angle is between

0

and

2

π

.

sin

(

5

π

6

)

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

sin

(

π

6

)

The exact value of

sin

(

π

6

)

is

1

2

.

1

2

The result can be shown in multiple forms.

Exact Form:

1

2

Decimal Form:

0.5

The decimal form is 0.5

And it’s b. 1/2

And it’s b. 1/2

A first number plus twice a second number is 5. Twice the first number plus the second totals 13. Find the numbers.

Let a and b = the numbers we must find.

a + 2b = 5.....Equation A

2a + b = 13.......Equation B

We have a system of equations in two variables.

I will solve A for little a.

a + 2b = 5

a = 5 - 2b

Now I will plug 5 - 2b for a in B.

2(5 - 2b) + b = 13

10 - 4b + b = 13

-3b = 3

b = -1

To find a, replace b with -1 in EITHER A or B.

I will use Equation A.

a + 2b = 5

a + 2(-1) = 5

a - 2 = 5

a = 7

The two numbers are -1 and 7.

Understand?

please help me Im lost on this :(

**Answer:**

C

**Step-by-step explanation:**

the quadratic formula is

[tex] \frac{ - b + \sqrt{b ^{2} - 4ac} }{2a} [/tex]

Make the quadratic equal to 0, so it will be 3x^2 + 8x -2=0. Then substitute the values into the equation.

Answer: C) 3x^2+8x-10=-8

Step-by-step explanation:

3x^2+8x-10x=-8

3x^2+8x-2=0

a=3 b=8 c=-2

Plug it into quadratic formula.

100 Point question answered ASAP for brainliest!

**Step-by-step explanation:**

that is really easy too easy for that many points.

it is truly simple :

the graph (and with it the function) is shifted down by 3 units.

that means everything of the function stays the same, just the functional results are consistently lowered by 3.

so, g(x) = f(x) - 3 = -2x² - 7 - 3 = -2x² - 10

that is really all there is to it.

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