Solve the system of inequalities by graphing.
12x+6y≥15
2x-4y>8

Answers

Answer 1

Answer:

?

Step-by-step explanation:


Related Questions

Write the equation of the graph shown below in factored form.

f(x) = (x − 2)2(x + 1)(x − 4)
f(x) = (x + 2)2(x − 1)(x + 4)
f(x) = (x + 2)2(x + 1)(x + 4)
f(x) = (x − 2)2(x − 1)(x − 4)

Answers

Answer:

(x+2)2(x+1)(x+4)

Because

x=-4. x=2. x=-1

(x+4). (x+2). (x+1)

Sally collected 22 pounds of cans to recycle
and plans to collect 1.8 more pounds each
week. In this situation, what is the value of
the y-intercept?

Answers

Step-by-step explanation:

this is an example u can see and write it yourself...

help mePsychologists striving to understand the human mind may study the nervous system. Learning how the cells and organs (like the brain) function, help us understand the biological basis behind human psychology. The nervous system is composed of two basic cell types: glial cells (also known as glia) and neurons. Glial cells, which outnumber neurons ten to one, are traditionally thought to play a supportive role to neurons, both physically and metabolically. Glial cells provide scaffolding on which the nervous system is built, help neurons line up closely with each other to allow neuronal communication, provide insulation to neurons, transport nutrients and waste products, and mediate immune responses. Neurons, on the other hand, serve as interconnected information processors that are essential for all of the tasks of the nervous system. This section briefly describes the structure and function of neurons.​

Answers

Answer:

Hope this helps!

Step-by-step explanation:

Which statement best evaluates the effectiveness of the conclusion

paragraph?

Thesis Statement: My future job must include human interaction, a

nontraditional workspace, and teamwork.

Main Points:

1. Work with people

2. Work in a nontraditional workspace

3. Work in a place where coworkers share ideas

Conclusion: In the end, my future job will be one that allows me to

collaborate with my coworkers in dynamic and nontraditional

workspaces. If I am forced to sit behind a desk I will be extremely bored. Furthermore, I will be less productive if I am forced to work alone without the chance to discuss ideas with my coworkers. So the next time an adult asks me what I want to do when

I grow up, I will tell them a job without a desk, in an office full of

people. That's my dream job!

A. The conclusion is effective because it presents interesting information not addressed in the body paragraphs.

B. The conclusion is ineffective because it does not restate the thesis in a new way.

C. The conclusion is effective because it restates the thesis, summarizes the main points, and includes a satisfying close.

D. The conclusion is ineffective because it fails to leave the reader with a thought-provoking question.Which statement best evaluates the effectiveness of the conclusion  paragraph?

Thesis Statement: My future job must include human interaction, a

nontraditional workspace, and teamwork.

Main Points:

1. Work with people

2. Work in a nontraditional workspace

Answer:

Were is the question?

Step-by-step explanation:

Figure ABCD is a parallelogram.
What is the perimeter of ABCD?
A
4y - 2
B
14 units
VX
0 38 units
3x - 1
44 units
2x + 2
49 units
D
2y + 6
С

Answers

Answer:

3rd option, 44 units

Step-by-step explanation:

3x-1 = 2x+2

or, x = 3

so each side, 3×3-1 = 8

4y-2 = 2y+6

or, y = 4

so each side, 4×4-2 = 14

so perimeter

= 2(8+14)

= 44 units

Answered by GAUTHMATH

josh is standing on the top of a building that is 425 feet tall. He throws a penny up into the air with an initial of 32 ft/sec. How long does it take for the penny to hit the ground?
Y = -4.9x^2 + 32x + 425

A. 10 seconds

B. 6.25

C. 400

D. 0 seconds

Answers

Answer:

A

Step-by-step explanation:

cause it will be more faster just because it is in a solid phase or it is solid

The time taken to hit the ground is 6.25 sec.(Option B)

How to calculate time?

It is given that penny follows the trajectory:

[tex]y = -4.9x^2 + 32x + 425[/tex]

Differentiating it we get:

[tex]\dfrac{dy}{dx} =-9.8x+32[/tex]

At y=425, it is obvious that x=0

So dy/dx at x=0 is 32.

Now the vertical component of the velocity is 32sinФ (where Ф is the angle at which penny is thrown).

Ф[tex]=\tan^{-1}(32)[/tex]

Vertical component=[tex]32*\sin(\tan^{-1}(32))[/tex]=31.98 ft/sec

Now applying the equation of motion: acceleration=-32ft/sec^(2)

u=31.98ft/sec   s=-425   t=?

[tex]s=ut+\frac{1}{2} at^{2}[/tex]

[tex]-425=31.98t-16t^2[/tex]

[tex]16t^2-31.98t-425=0[/tex]

Solving the quadratic equation we get:

t=6.249 sec≅6.25 sec

Therefore, the time taken is 6.25 sec.

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The weight of oranges growing in an orchard is normally distributed with a mean weight of 7 oz. and a standard deviation of 1 oz. Using the empirical rule, what percentage of the oranges from the orchard weigh between 4 oz. and 10 oz.?

Answers

Answer:

Step-by-step explanation:

Set this up under the "mound" curve with 7 in the dead center. One standard deviation to the right is 8, another one is 9, another one is 10. Do the same going to the left, but go down from 7 to 6 to 5 to 4. Between the 6 and the 8 you will find 68% of the weights; between the 5 and the 9 you will find 95 % of the weights; and between 4 and 10 you will find 99.7% of the weights.

The percentage of the oranges from the orchard weighing between 4 oz and 10 oz is 99.7%

Find the volume of this sphere please help

Answers

Answer:

Volume = 108 ft³

Step-by-step explanation:

Volume of a sphere is given by the expression,

V = [tex]\frac{4}{3}\pi r^{3}[/tex]

Here, r = Radius of the sphere

From the picture attached,

Radius of the sphere = 3 ft

By substituting the value of r in the expression,

Volume = [tex]\frac{4}{3}\pi (3)^{3}[/tex]

             = 36π

             = 36×3

             = 108 ft³

Deandre can run 5 miles in 30 minutes.
How many minutes per mile is that?

Answers

6 minutes per mile.

As in, 30/5= 6

Answer:

Deandre can run 1 mile in 6 min

Step-by-step explanation:

Anyone please help me

Answers

Standard form of a quadratic equation: ax^2 + bx + c = 0

4x^2 - 5x + 10 = 2x

4x^2 - 7x + 10 = 0

Hope this helps!

WILL MARK BRAINLIST!!
Please help!!!

Answers

Answer:

the sum of total angles of triangle is 180°.

40 Degrees.
4x + 3x + 2x = 180°
9x = 180°
x = 180° / 9
x = 20°
4x = 4 × ( 20° )
4x = 80°
3x = 3 × ( 20° )
3x = 60°
2x = 2 × ( 20° )
2x = 40°

Helppppp meeeeeeeeeeeeeeeee

Answers

Answer:

A. 8/10

Step-by-step explanation:

(0.8 × 10) / (1 × 10) = 8/10  (since, multiplying 10 shifts the decimal point towards the right by one place)

Further, we can reduce fractions 8/10 by dividing the numerator and denominator by 2.

(8 ÷ 2) / (10 ÷ 2) = 4/5

Thus, 0.8 as a fraction is 8/10 or 4/5

Answer:

C

Step-by-step explanation:

https://socratic.org/questions/how-do-you-convert-0-8-8-repeating-to-a-fraction

–8, –4, 0, 4, 8, 12 What do these terms represent? an arithmetic series an arithmetic sequence a geometric series a geometric sequence

Answers

Answer:

Arithmetic sequence

Step-by-step explanation:

An list of numbers whereby the difference between each consecutive number is constant is called an arithmetic sequence. Given thelistvif numbers:

–8, –4, 0, 4, 8, 12 ;

We can see that each consecutive number in the list has a constant difference of 4. Hence x this is called an arithmetic sequence.

Simplify (Asap️ )
please answer this if you know
(full steps required )
(please no spam answers)​

Answers

see the attachment hope this helps you

Pythagorean Theron can someone help me solve this

Answers

So you need to make out the lengths for the triangle. For the height, you can subtract the short length (100) from the longer length (1250) to get the height of the triangle. The base is the length at the very top, 75. So right now you have 150 for height and 75 for the base. Now use the formula to get 75 root 5.

While you’re at the top of the tower(50 meters), you see an ant walking along the edge of the building. If the ant were to walk straight down the side of the tower until it reached the ground, how far would the ant travel? Which trigonometric ratio would you use to find this distance? Use the ratio to find the measurement.

Answers

Answer:

50.4 meters

Step-by-step explanation:

Given

[tex]h = 50[/tex] -- height of the tower

[tex]\theta = 7.1^o[/tex] --- angle with the wall (missing from the question)

Required

The distance walked by the ant (d)

I've added an attachment to illustrate the given parameters.

Where

[tex]h \to[/tex] height of the tower

[tex]d \to[/tex] distance walked

To calculate d, we make use of cosine trigonometric ratio:

[tex]\cos(\theta) = \frac{Adjacent}{Hypotenuse}[/tex]

So, we have:

[tex]\cos(7.1^o) = \frac{50}{d}[/tex]

Make d the subject

[tex]d = \frac{50}{\cos(7.1^o)}[/tex]

[tex]d = \frac{50}{0.9923}[/tex]

[tex]d = 50.4[/tex]

A soccer field has a perimeter of 326 metres. Its area is 6370 square metres. What are the dimensions of the field?

Answers

Answer:

Step-by-step explanation:

chiều dài:x,x>0

chiều   rộ:y

[tex]\left \{ {({x+y)*2=326} \atop {xy=6370}} \right.[/tex]

[tex]\left \{ {{x+y=163} \atop {xy=6370}} \right.[/tex]

[tex]\left \{ {{y=163-x} \atop {xy=6370}} \right.[/tex]

[tex]\left \{ {{y=163-x} \atop {x*(163-x)=6370}} \right.[/tex]

[tex]\left \{ {{y=163-x} \atop {163x-x^{2} =6370}} \right. \\[/tex]

[tex]\left \{ {{y=163-x} \atop {x_{1} =98; x_{2} =65}} \right.[/tex]

[tex]\left \{ {{y=65} \atop {x=98}} \right.[/tex]

is (x-2) a factor of f(x) = x^3 − 2x^2 + 2x + 3, use either remainder theorem or factor theorem to explain your reasoning

Answers

Answer:

Step-by-step explanation:

x-2=0

x=2

f(2)=2³-2(2)²+2(2)+3=8-8+4+3=7≠0

so x-2 is not a factor of f(x).

Which exponential function has an x-intercept?

Answers

Answer:

y = a^x is an exponential function with an x intercept.

Step-by-step explanation:

y = a^x is the standard form of an exponential function.

Which of the following are interior angles in the figure below?
O
A. 21, 22, and 26
B. 25 and 26
C. 23 only
D. 21, 22, and 23

Answers

Answer:

(A), 21, 22,and 26

Step-by-step explanation:

gakzbzkxvuxnsslvzixvdkdbdjxvshhzvskdvxy dgsjzvsks ysjdbdudvsk jdkdbdb

In a parallelogram ABCD, prove that (AC)2 + (BD)2= 2[(AB)? +(BC)?].​

Answers

Answer:

AC² + BD² = 2[AB² + BC²]

Step-by-step explanation:

Let the parallelogram be ABCD with sides AB, BC, CD and AD. It also has diagonals AC and BD.

Since the diagonals are perpendicular and bisect each other at their mid-point, and P is the point of intersection of the diagonals, we have that AP = AC/2, PC = AC/2, PB = BD/2 and PD = BD/2.

Since APB forms a right angled triangles with length of sides AP, PB and AB where AB is the hypotenuse side, using Pythagoras' theorem, we have

AB² = AP² + PB²

Since AP = AC/2 and PB = BD/2, we have

AB² = (AC/2)² + (BD/2)²

AB² = AC²/4 + BD²/4   (1)

Also, BPC forms a right angled triangles with length of sides BP, PC and BC where BC is the hypotenuse side, using Pythagoras' theorem, we have

BC² = BP² + PC²

Since PC = AC/2 and PB = BD/2, we have

BC² = (AC/2)² + (BD/2)²

BC² = AC²/4 + BD²/4   (2)

Adding equations (1) and (2), we have

AB² = AC²/4 + BD²/4   (1)

+

BC² = AC²/4 + BD²/4   (2)

AB² + BC² = AC²/4 + BD²/4 +  AC²/4 + BD²/4

AB² + BC² = AC²/2 + BD²/2

Multiplying through by 2, we have

2[AB² + BC²] = AC² + BD²

So, AC² + BD² = 2[AB² + BC²]  which proves our expression.

WHATS YOUR TIKTOKKK OMG I WANT MUTUALS

Answers

seth2cold let’s be moots

If 5k = -25, then 5k - 1 = -25 - 1
Segment proof

Answers

Answer is right here

The population of a city has increased by 27% since it was last measured. If the current population is 38,100, what was the previous population?

=___

Answers

Answer:

the previous population was 62,000.

Step-by-step explanation:

The current population of a city = 83,700

The population of a city has increased by 35% since it was last measured.

We have to calculate the previous population before increasing 35%.

Let the previous population be p

p +(35% × p) = 83,700

p + 0.35p = 83,700

1.35p = 83,700

p =  

p = 62,000

Therefore, the previous population was 62,000.

The population of a city has increased by 27% since it was last measured and the previous population was 62,000.

The current population of a city = 83,700

The population of a city has increased by 35% since it was last measured.

We have to calculate the previous population before increasing 35%.

What is the meaning of population?

A population is a distinct group of individuals, whether that group comprises a nation or a group of people with a common characteristic.

Let the previous population be p

p +(35% × p) = 83,700

p + 0.35p = 83,700

p = 83,700

p =  [tex]\frac{ 83,700}{1.35}[/tex]

p = 62,000

Therefore, the previous population was 62,000.

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What is the missing reason in the proof? Given: ∠ABC is a right angle, ∠D B C is a straight angle Prove: ∠ABC ≅ ∠A B D A horizontal line has points D, B, C. A line extends vertically from point B to point A. Angle A B C is a right angle. definition of angle bisector segment addition property definition of congruent angles transitive property

Answers

Answer:

Definition of Congruent angles.

Step-by-step explanation:

Given

See attachment

Required

Complete the proof at step 8

At step 8, we have:

[tex]\angle ABC \cong \angle ABD[/tex]

When the sign [tex]\cong[/tex] is used, it means congruence

In other words;

ABC and ABD are congruent

Hence, the missing statement at step 8 is: Definition of Congruent angles.

Answer:

ABC and ABD are congruent

Step-by-step explanation:

What is y if the ordered pair (25, y) is a solution of the equation shown?​

Answers

Answer:

4

Step-by-step explanation:

y = 1/5x -1

Let x = 25

y = 1/5(25) -1

  = 5-1

  = 4

y =4

Answer:

I think that it is 4

Step-by-step explanation:

How many terms are in the following geometric sequence? Type your numerical answer only. Do not type any additional characters.

0.0625, 0,25, 1, 4194304

Answers

Given:

The given geometric sequence is:

0.0625, 0.25, 1, ..., 4194304

To find:

The number of terms in the given geometric sequence.

Solution:

We have,

0.0625, 0.25, 1, ..., 4194304

Here, the first term is 0.0625 and the common ratio is:

[tex]r=\dfrac{0.25}{0.0625}[/tex]

[tex]r=4[/tex]

The nth term of a geometric sequence is:

[tex]a_n=ar^{n-1}[/tex]

Where, a is the first term and r is the common ratio.

Putting [tex]a_n=4194304, a=0.0625, r=4[/tex] in the above formula, we get

[tex]4194304=0.0625(4)^{n-1}[/tex]

[tex]\dfrac{4194304}{0.0625}=(4)^{n-1}[/tex]

[tex]67108864=(4)^{n-1}[/tex]

[tex]4^{13}=(4)^{n-1}[/tex]

On comparing both sides, we get

[tex]13=n-1[/tex]

[tex]13+1=n[/tex]

[tex]14=n[/tex]

Therefore, the number of terms in the given geometric sequence is 14.

Find the missing value in each figure below. What does “y” equal?

Answers

Answer:

Step-by-step explanation:

The perpendicular is equal to 6. That's because the left triangle's missing angle is 180 - 45 -90 = 45

The angle in the right triangle is given as 52.

The cos(52) = adjacent side (which we just found to be 6) / y

Multiply both sides by y

y cos(52) = 6

cos(52) = 0.6157

Divide by sides by cos(52)

y = 6 / cos(52)

y = 6 / 0.6157

y = 9.76

Navel Laser and Midoriya are doing target practice. In the first round Navel laser scored no points, but in the second round he scored “x” amount of points. In their third round, he scored 8 more points than the second. Now in the last round, he scored three times as many points as the third. Altogether Navel Laser scored 117 points!!! How many points did the Navel Laser score in each round?

Answers

Answer:

Round 1 = 0 points

Round 2 = 17 points

Round 3 = 25 points

Round 4 = 75 points

Step-by-step explanation:

Determine how many points will be scored in each round in correspondence to the variable 'x':

Round 1:

0(x)

Round 2:

x

Round 3:

x+8

Round 4:

3(x+8)

We know that the sum of all points made in all rounds is 117. Using this information, we can make an equation:

0(x)+x+(x+8)+[3(x+8)]=117

Now, we solve for x:

x+x+8+3x+24=117

5x+32=117

5x=117-32

5x=85

[tex]\frac{5x}{5} =\frac{85}{5}[/tex]

x=17

Now we substitute the calculated value for x in each round:

Round 1:

0(17)=0

Round 2:

(17)=17

Round 3:

(17)+8= 25

Round 4:

(25)*3=  75

Select point B, and drag it. As you drag B, circle AB changes. Verify that you can make circle AB coincide with AC. Return B to its approximate initial position. When circle AB coincides with circle AC, what do you notice about the regions CAD and EAF? In terms of similarity, what does your observation imply about the relationships among the lengths of the radii of AB and AC and the lengths of arc EF and arc CD? Write the relationship in the form of a proportion, and explain how it follows from your observation.

Answers

Answer:

When AB coincides with AC, the boundary of EAF maps exactly onto the boundary of CAD, implying that EAF dilates into CAD. So, the boundaries of EAF and CAD are similar.

The proportional relationship may be stated in different forms, but should be equivalent to this equation:

radius of Ab/ radius of Ac= length of arc EF/ length of arc CD

Explanations will vary, but should be based on the similarity of EAF and CAD. The proportional relationship follows from the fact that corresponding pairs of lengths in two similar figures have the same ratio.

Step-by-step explanation:

This is the exact answer so make sure you change it up a little.

Answer:

When AB coincides with AC, the boundary of EAF maps exactly onto the boundary of CAD, implying that EAF dilates into CAD. So, the boundaries of EAF and CAD are similar.

The proportional relationship may be stated in different forms, but should be equivalent to this equation:

the radius of AB /radius of AC= length of arc EF/length of arc CD

The proportional relationship follows from the fact that corresponding pairs of lengths in two similar figures have the same ratio.

Step-by-step explanation:

Answer the following questions using 125 words or more:

Write about the similarity of the original comic to the enlargement. How similar are they and how can you tell? What would cause differences in the two pictures? If you drew another comic using a grid, is there anything you would do differently?
What would happen if you reduced the comic's size rather than enlarged it? Would the process be the same? What would you do differently?

Link to video 2min https://media-release.glynlyon.com/g_mat08_ccss_2016/4/media/html5/anm_scale_drawing_comic_project/media/video.mp4

Answers

Answer:

given in a triangle rst and another triangle ratOn a coordinate plane, triangle R S T has points (0, 0), (negative 2, 3), (negative 3, 1). Triangle R prime S prime T prime has points (2, ...

9 votes

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The lead in petrol produces a poisonous gas, which is often (26)..in busy streets circled by buildings. Children who live in areas where there is (27)..lead in the atmosphere cannot think as quickly as other children, and are clumsy when they use their hands.23. A. pollute B. polluted C. polluting D. pollution 24. A. produce B. producing C. to produce D. produced 25. A. increases B. to increase C. increase D. increasing 26. A. collects B. collect C. collecting D. collected 27. A. a lot of B. a lots of C. a lot D. a lots describe how migration in geography influence the history and government of australia and new zealand Labor data for making one gallon of finished product in Bing Company are as follows. (1) Pricehourly wage rate $16.70, payroll taxes $0.60, and fringe benefits $1.40. (2) Quantityactual production time 1.60 hours, rest periods and cleanup 0.30 hours, and setup and downtime 0.20 hours. Compute the following. (Round answers to 2 decimal places, e.g. 1.25.) (a) Standard direct labor rate per hour. $ ______(b) Standard direct labor hours per gallon. hours (c) Standard labor cost per gallon. $______ Jill records the temperature outside every hour for 4 hours. She finds that the temperature dropped by the same amount each hour. After 4 hours, she finds that the temperature dropped a total of 20F. She writes this number sentence.(20)4=5What does the number sentence mean?The total drop in temperature, 20F, divided by 4 hours equals 5F per hour. The temperature dropped 5F each hour.The total number of drops, 20, divided by 4 hours equals 5 times per hour. The temperature dropped 5 times per hour.The total number of hours, 20, divided by 4F equals 5 hours. The temperature dropped once every 5 hours.The total drop in temperature, 20F, divided by 4F in the first hour, equals 5 drops. The temperature dropped 5 times. While My sister ..The piano, my mother..TV. A. Was playing was watching B. Played watched C. Played - was watching D. Was playing watched If Damien does a job in 21 hours less time than Caitlyn, and they can do the job together in 14 hours, howlong will it take each to do the job alone? Can some tells me what's love Find the slope of(-3,6)(5,-4) What is the distance from point N to LM in the figure below? 100 PNTS AND BRAINLIST FOR CORRECT ANWSER WITH A GOOD EXPLAINATION!! You pay $10 to play the following game of chance. There is a bag containing 20 balls: five are red, five are green, and the rest are yellow. You are to draw one ball from the bag. You will win $18 if you draw a red ball, and you will win $10 if you draw a green ball. You win nothing for drawing a yellow ball. What is the expected value? Should you play? Gary was trying on jeans in a department store when he saw himself in the mirror. He wasn't happy with what he saw, so Gary realizes he needs to watch what he eats so he can look good in the style of jeans he likes to wear. Which stage of change model is MOST consistent with Gary's behaviors crassify the given quantities into scalar quantity and vetor quantity Find the value of x for which (4/5)-4 x (4/5)-7 =(4/5)2x-1 Can some1 say this ans fast plz The number of joules required to heat one gram of a substance one degree Celsius is _____.endothermictemperatureexothermicspecific heat capacity my sister usuany____ (Llisten) Amnaric news in the restaurant