HELP!! Quick answer pls

The answer is -13k - 7

**Answer:**

1 - 3k - 8 + 10k

1 - 3k + 10k - 8

1 - 13k - 8

1 - 8 - 13k

**-7 - 13k or -7 + (-13k)**

In Montyville, the value of homes has experienced an annual change of -2 percent. If the rate continues, what will be

the change over 10 years?

**Answer:**

I believe the answer would be -20 percent

I need the right answer so please be correct

**Answer: 8**

**Step-by-step explanation:**

found slope

If Q = {all perfect squares less than 30} and p={ all odd numbers from 1 to 10}

When Q = {all perfect **squares** less than 30} and p={ all odd **numbers** from 1 to 10) Q ∩ P = { 1, 9}

**Set theory** simply means the branch of mathematical logic that deals with sets, that can be described as collections of **objects**.

It should be noted that **perfect squares** are the numbers that can be divided to give same number.

Q = {all **perfect squares** less than 30}. This will be 1, 4, 9, 16, 25

P ={ all odd **numbers** from 1 to 10}. This will be **1**, 3, 5, 7, and **9**.

In this case, the common **numbers** to set of P and Q are 1 and 9.

Therefore, the **numbers** are 1 and 9 since they're common to both sides.

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If Q = {all perfect squares less than 30} and p={ all odd numbers from 1 to 10}. Find Q ∩ P.

The quadratic equation [tex]( k - 1 )x^{2} + 2x + ( 2k - 3 ) = 0[/tex] , where k is R, has real distinct roots.

Find the range of possible values for k.

The possible **values** of k such that the **quadratic equation** has real distinct **roots** are 1 / 2 and 2.

What are the possible values of k associated to quadratic equation?

In this problem we find the case of a **quadratic equation**, of which the **values** of a variable k must be found such that the **polynomial** have real distinct **roots**. This can be done by using the **discriminant** of the **quadratic formula**, which is defined below:

For a · x² + b · x + c = 0, the discriminant is:

b² - 4 · a · c > 0

Then, if we know that a = k - 1, b = 2 and c = 2 · k - 3, then the possible values of k are:

2² - 4 · (k - 1) · (2 · k - 3) > 0

4 - (4 · k - 4) · (2 · k - 3) > 0

4 - (8 · k² - 8 · k - 12 · k + 12) > 0

8 · k² - 20 · k + 8 > 0

Whose form form is shown below:

8 · (k² - (20 / 8) · k + 1) = 0

8 · (k² - (5 / 2) · k + 1) = 0

8 · (k - 2) · (k - 1 / 2) = 0

The possible **values** of k are 1 / 2 and 2.

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3. Toby randomly interviewed 70 patrons at a country music concert to determine their favorite type of music. Based on the results of his survey, he made the following claim:

Two out of three concert-goers prefer country music.

Which of the following statements best describes why this is not a valid claim?

O Only people on the floor level were surveyed.

Not enough patrons at the concert were surveyed.

The concert-goers were not randomly surveyed.

Toby only surveyed patrons at a country music concert who are probably biased toward country music.

Al changes se

**Answer: Two out of three concert-goers prefer country music.**

**Step-by-step explanation:**

Toby is interviewing country music concert participants, and therefore isn't getting a diverse spread of interviewees and isn't getting accurate data.

can you help with these two questions please

The first question is relatively harder

So let’s start with that

Area of circle is 3.14(r^2)

We are given the diameter as 20m

So radius is 10m

Thus area = 3.14(100)= 314 sq metres

Now each box covers 58 sq metre

So no of boxes = 314/58= 5.41

Rounding to 1 significant figure

It’s 5 boxes

Clearly we are underestimating it as it’s around 5 boxes and a half

For the second question just equate their area

(11)(10)/2 = 22b

=> b= 2.5cm

So let’s start with that

Area of circle is 3.14(r^2)

We are given the diameter as 20m

So radius is 10m

Thus area = 3.14(100)= 314 sq metres

Now each box covers 58 sq metre

So no of boxes = 314/58= 5.41

Rounding to 1 significant figure

It’s 5 boxes

Clearly we are underestimating it as it’s around 5 boxes and a half

For the second question just equate their area

(11)(10)/2 = 22b

=> b= 2.5cm

10. Dan paid 20% down on 8 new car that cost

$16,584.00. He will pay the balance in

24 equal monthly installments.

He will pay S Drop-cown each month.

A. 1,105.60

B. 667.18

C. 552.80

D. 132.20

**Answer:**

**552.8**

**Step-by-step explanation:**

**16584/8=2073**

**2073*0.8=1658.4**

**1658.4*8=13267.2**

**13267.2/24=552.8**

MATH PLEASE DO THIS FOR BRAINLYIST

**Answer: The percent of change in the perimeter** **is 100 percent and**

**the percent of change in the area is 300 percent .**

**Step-by-step explanation:**

Rectangle is the closed shaped polygon with 4 sides. Opposite sides of the rectangle are equal. when the length and the width of the sandbox are doubled the percent of change in the perimeter is **100 percent **and the percent of change in the area is **300 percent**.

Help Please!!

Unit 4 lesson 11 geometry Parallel and Perpendicular Lines Unit Test

I have been doing well in this test till this question... any help is appreciated!!

The values of **x = 14 **and **y = 12**

In the diagram given, there are two **parallel lines** and three angles formed by cutting the parallel lines.

So here, angles** (2x+7)°** and **(3x-7)° **are **corresponding angles.**

That is they occupy relatively same position, that is both are above each **parallel line.**

So they are equal angles.

i.e., 2x+7 = 3x-7

⇒ 3x-2x = 7 +7

⇒ **x = 14**

Now the angles **2x+7°** and** 12y+1°** are **supplementary angles.**

**Supplementary angles** are formed on a straight line between a line cutting the straight line.

That is their sum = 180°

i.e., 2x+7° + 12y+1° = 180

⇒ 2 x 14 + 7 + 12y +1 = 180

⇒ 28 + 8 +12y = 180

⇒ 36 +12y = 180

⇒ 12y = 180 -36

⇒ 12y = 144

⇒ **y = 12**

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Write an equation in point-slope form of the line that passes through the given point and with the given slope m. A. (1, -8) m= -9

The point-slope form of a line is:

y = mx + b

where m is the slope and b is the y-intercept

Replacing with point (1, -8) and m= -9, we get:

-8 = (-9)(1) + b

-8 = -9 + b

-8 + 9 = b

1 = b

Then, the equation is:

**y = -9x + 1**

An angle measures 58° more than the measure of its supplementary angle. What is the measure of each angle?

**Answer: 61° and 119°**

**Step-by-step explanation: **

**So for the smaller angle you have to do:**

**1. 180-58=122**

**2. 122/2=61**

**Then you just add 61+58=119 for the larger angle**

Help me with this i need to submit this assignment tyy

i think its ez but yk.. im lazy

**Answer:**

3x3x3x3=81

**.......................**

Consider the line y = - - X+4.4.***4.Find the equation of the line that is perpendicular to this line and passes through the point (-9, 6).Find the equation of the line that is parallel to this line and passes through the point (-9, 6).Note that the ALEKS graphing calculator may be helpful in checking your answer.Equation of perpendicular line: 0-Equation of parallel line:X0P

**ANSWER:**

**STEP-BY-STEP EXPLANATION:**

We have that the equation of a line in its slope and y-intercept form is the following:

[tex]\begin{gathered} y=mx+b \\ \text{where m is the slope and b is y-intercept} \end{gathered}[/tex]Now, when two equations are perpendicular, the slope of both are opposite, that is, the product between them is equal to -1, like this:

[tex]\begin{gathered} m_1\cdot m_2=-1 \\ -\frac{3}{4}\cdot m_2=-1 \\ m_2=\frac{4}{3} \end{gathered}[/tex]We replace the values of the point (-9, 6) and the slope to calculate the value of the y -intercept:

[tex]\begin{gathered} 6=-9\cdot\frac{4}{3}+b \\ b=12+6 \\ b=18 \end{gathered}[/tex]Therefore, the perpendicular equation that also passes through the point (-9,6) is:

[tex]y=\frac{4}{3}x+18[/tex]Now, when two lines are parallel, the slope is the same, therefore we calculate directly that it passes through the point (-9, 6)

[tex]\begin{gathered} 6=-9\cdot-\frac{3}{4}+b_{} \\ b=6+9\cdot-\frac{3}{4} \\ b=-\frac{3}{4} \end{gathered}[/tex]therefore, the equation of the line that is parallel to this line and passes through the point (-9, 6) is:

[tex]y=-\frac{3}{4}x-\frac{3}{4}[/tex]<

Find the time-and-a-half pay rate by multiplying the hourly wage, $22 by

by 1-1/2

When the hourly wage is $22, the time-and-a-half pay rate is $

(Simplify your answer.)

consequently, the **time and a half rate** will be 33 **dollars per hour** according to the query.

A higher rate of pay known as **"time and a half"** is normally only applied to hours that are over 40 in a workweek or that are worked extra.

Companies have different **overtime **pay practices, with time and a half as a typical **rate.**

Simply said, it means that for each hour performed within the time and a half window, the employee will receive payment in** addition** to their regular **hourly rate** of one half of that amount.

Time and a Half Rate = Hourly Rate * 1.5

According to the given question:

Time and a half rate =22$*1-1/2

=22$*1.5

=33$ per hour

Therefore, According to the question given the **Time and a pay half rate** will

be 33$ per hour.

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Mrs. Scott rented a jeep. The rental charge is a flat fee of

$115 plus $12.50 per hour. Her bill is $152.50, not

including tax. Write and solve an equation that could be

used to find the number of hours she rented the jeep

Answer is $152.50 = $12.50x + $115

Step by step

Using y intercept form

y = mx + b

Flat fee of $115 is y intercept or “b”

The $12.50 per hour is the rate or “m”

$152.50 is the total

So your equation is

$152.50 = $12.50x + $115

To solve subtract $115 from both sides to isolate x

$152.50 - $115 = $12.50x + $115 -$115

$152.50 = $12.50x

Divide both sides by $12.50 to solve for x

x = 12.2 hours

Step by step

Using y intercept form

y = mx + b

Flat fee of $115 is y intercept or “b”

The $12.50 per hour is the rate or “m”

$152.50 is the total

So your equation is

$152.50 = $12.50x + $115

To solve subtract $115 from both sides to isolate x

$152.50 - $115 = $12.50x + $115 -$115

$152.50 = $12.50x

Divide both sides by $12.50 to solve for x

x = 12.2 hours

What is the value of −5 + (−14) + 53?

**Answer:**

34

**Step-by-step explanation:**

The value would be 34

Write an

equation of the line passing through point P(-1,-4) that is parallel to

y = -6x + 8.

y = -6x -25 is equation of ** slope intercept .**

**What exactly does slope intercept mean?**

The equation is y = -6x + 8

compare with equation y=mx+b

slope m = -6

Use the point-slope method

y = -6x + 8

point P(-1,-4) point given (x1,y1)

y-y1=m(x-x1) point-slope form

y - ( -1 ) = -6 ( x - (-4))

y + 1 = -6 ( x + 4 )

y + 1 = -6x - 24

y = -6x -25

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Which ordered pair would form a proportional relationship with the point graphed below?

-60-40-20 20 40 60 80 ×

x

*

O (-10, 30)

O (30, -15)

O (-30, 10)

10.0

40

30

20

10

20

30-

40-

(60,-20)

**Answer: (-30, 10)**

**Step-by-step explanation:**

A proportional relationship is of the form y=kx for some constant k.

From the point (60, -20), we know that k = -1/3.

So, we are looking for a point where the y coordinate is -1/3 of the x coordinate. This is satisfied by option 3.

what does it mean translate the figure 5 units up

By definition. a Translation is a transformation in which a figure is moved a fixed distance in a fixed direction.

The Image is the figure obtained after the transformation and the Pre-Image is the original figure.

In this case, you know that the figure shown in the picture must be translated 5 units up. Therefore, the rule for this transformation is:

[tex](x,y)\rightarrow(x,y+5)[/tex]You can identify that the marked point on the Pre-Image has the following coordinates:

[tex]\mleft(-4,-3\mright)[/tex]Therefore, applying the rule for this transformation, you get that the coordinates of the marked point in the final figure, are:

[tex]\mleft(-4,-3\mright)\rightarrow\mleft(-4,-3+5\mright)\rightarrow(-4,2)[/tex]**The answer is:**

Coordinates of the marked point in the original figure:

[tex](-4,-3)[/tex]Coordinates of the marked point in the final figure:

[tex]\mleft(-4,2\mright)[/tex]Find x of the triangle

**Answer: The answer is 20°**

**Step-by-step explanation:**

I think it’s 20° but I’m only in the 6th grade and I got my 180 ruler for this into the screen

Help me please!! due at 8pm tonight 10/12/22

**Answer:**

y=3x+3

**Step-by-step explanation:**

Use rise/run

**Answer:**

y=-9x+5

**Step-by-step explanation:**

this graph shows the height of a tree over a 5 year growing peroid calculate the rate of change of height per year

Need explanation on how to solve ASAP

**Answer: It jupes by 2 each year the rate is 2 to 1 year **

**Step-by-step explanation:**

In zero years it alretey 1m so we can go to 1 where its 3 it juped by two more

URGENTTTY PLS PLS HELP !! GRAPH TOO PLS !!

Number 7 is the grey line. Number 8 is the red line

I NEED HELP!!!

50 POINTS!!!

slope is 3;

rise/run = y/x

6/2 = 3/1

A pile of sand has a weight of 65 kg.

Some of the sand is put into a small sack.

The rest of the sand is put into a large sack.

The sand in the large sack weighs 15 kg more than the sand in the small sack.

What is the weight of the sand in the small sack?

**Answer:**

25kg

**Step-by-step explanation:**

65=x+x+15

65-15=2x

50=2x

25=x

44+400 divided by (4+62)-24

**Answer:**

10.57

**Step-by-step explanation:**

44+400=444

(4+62)-24=

66-24=42

444/42=**10.57**

Describe the translation from AB to A’B’

The **translation **from AB to A’B’ is (x, y) → (x + 9, y + 2).

Given:

The **coordinates** of A(**preimage**) are (-5,1).

The coordinates of A'(**image**) are (4,3).

From the coordinates of the translated image, A'B' we can determine the **transformations.**

The translation applied to the point (-5,1) are (x, y) → (x + 9, y + 2).

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what are the steps of simplifying the fraction 1244/2000 to its lowest term?

Answer: 311/500

Explanation: Find the GCD (or HCF) of numerator and denominator

GCD of 1244 and 2000 is 4

Divide both the numerator and denominator by the GCD:

1244 ÷ 4

2000 ÷ 4

Reduced fraction:

311/500

Therefore, 1244/2000 simplified to lowest terms is 311/500.

Explanation: Find the GCD (or HCF) of numerator and denominator

GCD of 1244 and 2000 is 4

Divide both the numerator and denominator by the GCD:

1244 ÷ 4

2000 ÷ 4

Reduced fraction:

311/500

Therefore, 1244/2000 simplified to lowest terms is 311/500.

Helpppppppppppppppppppppppp

the actual amount is 78000 dollar

**Step-by-step explanation:**

one pack cigarettes cost 25 dollar

3 pack cigarettes costs 75 dollar

20 years × 52 =1040

1040 weeks

1040 × 75 dollar

78000 dollar

scores on an iq test are normally distributed. the test is designed so that the mean is 100 and standard deviation is 15. (a) what percentage of the population has an iq above 120?

From the **normal distribution** it is calculated that 9.18% of people has an iq over 120.

Normal distributions are crucial to **statistics **because they are widely used in the natural and social sciences to represent real-valued regressors with unknown distributions.

We have to find P( X > 120 )

Thus find** z score** for x =120

[tex]z=\frac{x-\mu}{\sigma}=\frac{120-100}{15}=\frac{20}{15}=1.33[/tex]

Thus we get:

P(X>120) = P(Z>1.33)

P(X>120) = 1 - P(Z<1.33)

P( Z < 2.67) = 0.9082

Thus

P(X>140) = 1 - P(Z<2.67)

P(X>140) = 1 - 0.9082

P(X>140) = 0.0918

Percentage = 9.18%

Therefore 9.18% of people has an iq over 120.

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Idil is deciding between two different movie streaming sites to subscribe to. Plan A costs $18 per month plus $1 per movie watched. Plan B costs $8 per month plus $3 per movie watched. Let AA represent the monthly cost of Plan A if Idil watches x per month, and let B represent the monthly cost of Plan B if Idil watches x movies per month. Write an equation for each situation, in terms of x, and determine which plan would be cheaper if Idil plans on watching 6 movies each month.
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Nathan eats the same amount of lunch meat everyday. If Nathan eats 2 pounds of lunch meat in 8 days, he eats pound(s) of lunch meat per day
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