need help will give brainlist

Need Help Will Give Brainlist

Answers

Answer 1

Answer:

B) 1 - (-6) / -2 -4

Step-by-step explanation:

The slope formula is:

m = (y2 - y1) / (x2 - x1)

where (x1, y1) and (x2, y2) are two points on the line.

For the points (4, -6) and (-2, 1), we can choose (4, -6) as (x1, y1) and (-2, 1) as (x2, y2), or vice versa. It doesn't matter which point we choose as (x1, y1) and which one we choose as (x2, y2), as long as we're consistent in our choice.

Let's choose (4, -6) as (x1, y1) and (-2, 1) as (x2, y2). Then we can write:

m = (y2 - y1) / (x2 - x1)

m = (1 - (-6)) / (-2 - 4)

Simplifying this expression, we get:

m = 7 / (-6)

So the correct way to set up the slope formula for the line that passes through the points (4, -6) and (-2, 1) is:

B) 1 - (-6) / -2 -4

m = (1 - (-6)) / (-2 - 4) = 7 / (-6)


Related Questions

Let r be a primitive root of the odd prime p.
Prove: if p ≡ 1 (mod 4), then -r is also a primitive root of p

Answers

As we have proved that if p ≡ 1 (mod 4), then -r is also a primitive root of p.

Since r is a primitive root of p, we know that every non-zero integer modulo p can be written as a power of r. That is, for any integer a with gcd(a, p) = 1, there exists an integer k such that a ≡ rˣ (mod p). This follows from the fact that the order of the element r modulo p is φ(p) = p-1, where φ denotes the Euler totient function.

Now, let us consider the case where p ≡ 1 (mod 4). This means that there exists an integer x such that p = 4x + 1. We want to show that -r is also a primitive root of p.

To do this, we first observe that (-1)² ≡ 1 (mod p) since p is an odd prime. Therefore, (-1)^(4x) ≡ 1 (mod p), which implies that (-1)²ˣ ≡ 1 (mod p).

Now, if we can show that (-1)ˣ = -1, then we will have (-1)²ˣ = (-1)ˣ*(-1)ˣ = (-1)*(-1) = 1 (mod p), which will allow us to prove that -r is also a primitive root of p.

To see that (-1)ˣ = -1, we use the fact that p ≡ 1 (mod 4) and the properties of quadratic residues. Specifically, we know that -1 is a quadratic non-residue modulo p, since if -1 ≡ a² (mod p) for some integer a, then we would have

=> [tex](-1)^{((p-1)/2) }[/tex] ≡ [tex]a^{(p-1) }[/tex]≡ 1 (mod p),

which contradicts the fact that

=> [tex](-1)^{((p-1)/2) }[/tex]= -1.

Therefore, there exists an integer b such that b² ≡ -1 (mod p).

Now, consider the product brˣ. We claim that brˣ is a primitive root of p. To see this, note that for any integer a with gcd(a, p) = 1, we can write a ≡ rˣ (mod p) for some integer k. Then, we have:

(a*brˣ)² = a² * b² * r²ˣ ≡ r²ˣ * (-1) ≡ -r²ˣ (mod p)

Since r is a primitive root of p, we know that rˣ and r²ˣ cover all the non-zero residue classes modulo p. Therefore, we can choose k such that r²ˣ ≡ -1 (mod p), which implies that (a*brˣ)² ≡ -1 (mod p).

Since a was arbitrary, this shows that brˣ is a quadratic non-residue modulo p, and therefore a primitive root of p.

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please help with this question

Answers

Answer:

Step-by-step explanation: Here if we put [tex]x=0[/tex] then we will get initial temperature. That is [tex]T_0=70+20=90[/tex].

The temperature will cools down [tex]70(0.8)^{10}+20=27.52(approx)[/tex].

So the final temperature after 10 minutes will be :[tex]90-27.52=62.48(approx)[/tex].

Final Answer: The temperature is 62.48 degree Celsius.

How many commutes are exactly 68 minutes

Answers

Answer:

three

Step-by-step explanation:

stem. is the tens place and the leaf is the. ones place

so you want to find 68 so you look in the stem column and look for six

in the row there are 6 numbers which mean:

60, 61, 67, 68, 68, 68

as you can see there is three 68 there for the answer ths 3

HELP PLEASE! Which reason is the justification for the statement that angle A ≅ angle B?
A) Vertical angles are congruent.
B) Linear angles are equal.
C) Intersecting lines form opposing angles.
D) Lines intersect at one point.

Answers

A) Vertical angles are congruent

what is another name for line Q R

Answers

Answer:

line RQ

Step-by-step explanation:

The points on a line can be flipped when naming. For example, line AB is the same as line BA.

Can someone help me

Answers

Answer:

Y = -½x + 3/2

Y = -3x + 5

Y = 1/4x - 3¼

Step-by-step explanation:

Parallel implies they have the same gradient

Perpendicular implies the gradient is a negative reciprocal of the other.

an elephant skeleton has about
345 bones. at Birth a human skeleton has about 3/5 x 345 bones which has more bones an elephant or a human? explain.

Answers

Answer: elephant

Step-by-step explanation:

3/5 x 345 = 207

345 > 207

Analyze the diagram below and complete the instructions that follow.
Find cos 45°.
A 1
NI-
2
45°
B. √√√2
2

Answers

Answer:

cos(45°) = √2/2

B is correct.

what is the probability that either event will occur?

Answers

Answer:

0.75

Step-by-step explanation:

P(A) = 9+9 = 18

P(B) = 9+9 = 18

P(A and B) = 9

P ( A or B) = 18+18-9 = 27

Probability = ans / total = 27/36 = 0.75

The probability that either event will occur is given as follows:

P(A or B) = 0.75.

We have,

The figure about the possible outcomes are shown in image.

Now, The formula used to calculate the probability is given as follows:

P(A or B) = P(A) + P(B) - P(A and B).

The total number of events from the Venn's diagram is given as follows:

4 x 9 = 36.

Hence the probability of each outcome is given as follows:

P(A) = (9 + 9)/36 = 0.5.

P(B) = (9 + 9)/36 = 0.5.

P(A and B) = 9/36 = 0.25.

Hence the or probability is given as follows:

P(A or B) = P(A) + P(B) - P(A and B).

P(A or B) = 0.5 + 0.5 - 0.25

P(A or B) = 0.75.

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-
Which of the following is equivalent to 2.76?

Answers

The expression that is equivalent to 2.76 is two and nineteen twenty fifths

Which of the expressions is equivalent to 2.76?

The number in the question is given as 2.76

This means that we have

Number = 2.76

We can rewrite this as a mixed number.

2 + a/b

Such that:

a/b = 0.76

From the list of options, we have

two and nineteen twenty fifths = 2 + 19/25 = 2.76

This means that the correct expression is two and nineteen twenty fifths

Hence, the expression that is equivalent to 2.76 is two and nineteen twenty fifths

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Complete question

Which of the following is equivalent to 2.76?

2.76%

27.6%

two and nineteen twenty fifths

twenty five over nineteen

What measurement is equivalent to 1 2 3 1 2 3 yards?

Answers

1 ⅔ yards = 5 feet
Answer: A. 5 feet

A dilation is a transformation in which the _____, but not the shape, of a geometric figure is changed.

Answers

size.
no explanation really
like dilation 2x, 2y makes the size bigger but the shapes rhe same

What type of graph would have the title, "Monthly Company Profit for the Year?"

line graph
pictograph
bar graph
line plot

Answers

The type of graph would have the title, "Monthly Company Profit for the Year?" is line graph (option a).

Using a line graph to display monthly company profits allows for the visualization of the overall trend and any fluctuations or changes in the profits over the year. It also allows for easy comparison of the profits from one month to another, as well as identifying which months were particularly profitable or unprofitable.

In mathematical terms, a line graph can be defined as a graph in which the data points are plotted as individual points, and a line is drawn to connect the points.

The line represents a mathematical function that can be used to model the relationship between the variables being plotted. In the case of the monthly company profits, the function would model the relationship between time and profit.

Hence the correct option (a).

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Simplify the expression using properties of operations.

7 1/3t−(10 2/3t−6)

Answers

Answer:

Step-by-step explanation:

Given expression is 7 1/3t-(10 2/3t-6)

Now, convert the proper fraction present in the question to improper fractions.

proper fractions are 7 1/3 and 10 2/3

so, 7 1/3 =(7*3+1)/3 = 22/3

     10 2/3 = (10*3+2)/3=32/3

= >22t/3 - (32t/3 -6)

= >22t/3 - 32t/3 +6

= >6 - 10t/3

This is the final solution.

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Please help 20 points !!!!!!

Answers

Based on the information, the regular polygon has 35 sides.

How to calculate the number of sides

In order to determine the number of sides that a regular polygon has if the sum of the interior angles is given, you can use the formula:

sum of interior angles = (n - 2) x 180°

solve for n, you can rearrange the formula as:

n = (sum of interior angles ÷ 180°) + 2

Then, plug in the given sum of interior angles and solve for n.

b. Using the formula above, we can find the number of sides of the regular polygon with a sum of interior angles of 6,300°:

n = (6300° ÷ 180°) + 2

n = 35

The regular polygon has 35 sides.

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Find the surface area of the figure. Pentagonal prism with an apothem length of 6.9 yd, height of 4 yd and base length of 10 yd.

Answers

The required surface area of the given rectangular prism is 202 square yd.

Here, we have,

Given that,

the surface area of a rectangular prism with a base length of 9 yd, a base width of 5 yd, and a height of 4 yd is to be determined.

We have,

Surface area is defined as the measure of a region or surface is called as surface area.

Here,

The surface area of the rectangular prism is given as,

S = 2(lw + lh + wh)

S = 2 [9×5 + 5×4 + 4×9]

S = 202 square yd.

Thus, the required surface area of the given rectangular prism is 202 square yd.

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Hi school basketball team is selling donuts to raise money for their new uniforms. The team makes a goal to sell at least $1000 in donuts. They are selling half a dozen box of donuts for eight dollars and a full dozen box of donuts for $12. They write the inequality 8x+12y>_ 1000 to determine how many boxes they need to sell, where X is the number of half dozen boxes, and why is the number for dozen boxes they sell. Which of the following solutions are viable in terms of the given context? Select all that apply A. (0,83) B. (32,70) C. (60,50) D. (14,74) E. (6,100) F.(-50,150)

Answers

The team can sell 50 half dozen boxes and 50 full dozen boxes to raise at least $1000.

We can derive an inequality from the problem statement which is:

8X + 12Y ≥ 1000

This inequality represents the amount of money the basketball team needs to raise by selling donuts.

X is the number of half dozen boxes sold

Y is the number of full dozen boxes sold.

To find a solution in terms of the given context, we can plug in different values for X and Y that satisfy the inequality. For example:

If the team sells 50 half dozen boxes and 50 full dozen boxes, they will make:

8(50) + 12(50) = $400 + $600 = $1000

So this is a valid solution that meets the fundraising goal.

If the team sells 100 half dozen boxes and 0 full dozen boxes, they will make:

8(100) + 12(0) = $800

This is not enough to meet the fundraising goal, so it is not a valid solution.

If the team sells 0 half dozen boxes and 100 full dozen boxes, they will make:

8(0) + 12(100) = $1200

This is more than the fundraising goal, so it is a valid solution, but the team may not want to sell so many full dozen boxes.

Therefore, one solution in terms of the given context is that the team can sell 50 half dozen boxes and 50 full dozen boxes to raise at least $1000.

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Which components are a possible representation of vector u if ||-4u|| ≈ 14.42?

Answer: <3, -2>

Answers

One possible representation of such a vector is u = (3, 2), which has a magnitude of approximately 3.605 and makes an angle of about 33.69 degrees with the positive x-axis in the standard Cartesian coordinate system.

Firstly, it is important to understand the meaning of the double vertical bars (|| ||), which denote the magnitude or length of a vector. For instance, if we have a vector

=> v = (2, 3),

then its magnitude can be computed as

=>  ||v|| = √(2² + 3²) = √13.

Similarly, if we have a vector u = (u₁, u₂), then its magnitude can be expressed as

=>  ||u|| = √(u₁² + u₂²).

The given condition

=> ||-4u|| ≈ 14.42

can be rewritten as

=>  4||u|| ≈ 14.42

=>  ||u|| ≈ 3.605.

This means that the magnitude of vector u is approximately equal to 3.605.

Therefore, to obtain a possible representation of vector u with a magnitude of approximately 3.605, we can solve the following system of equations:

||u|| = √(u₁² + u₂²) ≈ 3.605

θ = tan⁻¹(u₂/u₁)

Note that there are infinitely many solutions to this system, since the direction of u is not uniquely determined.

However, one possible solution is u = (3, 2), which has a magnitude of

=> ||u|| = √(3² + 2²) = √13 ≈ 3.605

and makes an angle of

=> θ = tan⁻¹(2/3) ≈ 33.69 degrees

with the positive x-axis.

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Find the area of the figure.
(Sides meet at right angles.)

Answers

Answer:

22 m^2

Step-by-step explanation:

multiply the sides

The answer is 22 m^2

what is 1,908,890,556 times 1,092,847

Answers

Answer: 2.1468 times 10^15

Step-by-step explanation: you times them together

if 1 cm is 20 km then how many km equals 9 cm

Answers

The new length would be 180 km

Suppose the length of a certain rectangle is 6 meters less than four times its width. The perimeter of the rectangle is 78 meters. Find the length and width of the rectangle.

Answers

Answer:

Let's start by using the formula for the perimeter of a rectangle, which is:

P = 2L + 2W

where P is the perimeter, L is the length, and W is the width.

We're given that the perimeter is 78 meters, so we can write:

78 = 2L + 2W

Simplifying this equation, we get:

39 = L + W

We're also given that the length is 6 meters less than four times the width, so we can write:

L = 4W - 6

Now we can substitute this expression for L into the equation we got earlier:

39 = (4W - 6) + W

Simplifying this equation, we get:

39 = 5W - 6

Adding 6 to both sides, we get:

45 = 5W

Dividing both sides by 5, we get:

W = 9

So the width of the rectangle is 9 meters. We can use this value to find the length:

L = 4W - 6 = 4(9) - 6 = 30

So the length of the rectangle is 30 meters.

Amy is going on a roadtrip with her friends and needs to save $160. If she starts saving 18% of her weekly earnings at the pool, how many whole weeks will it take her to save $160?

Answers

There are 6 whole weeks will it take her to save $160.

We have to given that;

Amy is going on a road trip with her friends and needs to save $160.

And, she starts saving 18% of her weekly earnings at the pool,

Now, Let number of weeks it take her to save $160 is, x

Hence, We get;

160 = 160 x 0.18 x t

t = 1/0.18

t = 5.55 weeks

Thus, There are 6 whole weeks will it take her to save $160.

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find the area of a regular pentagon with radius 22

Answers

To find the area of a regular pentagon with radius 22, you can use the following formula:

Area = (5/4) × (radius)^2 × tan(π/5)

Plugging in the given values, we get:

Area = (5/4) × (22)^2 × tan(π/5)
Area ≈ 969.92 square units

Therefore, the area of the regular pentagon with radius 22 is approximately 969.92 square units.

Which of these statements is true for the Cartesian coordinate system?


A.
the values below the X-axis are negative values of x
B.
the values below the X-axis are negative values of y
C.
the values above the X-axis are negative values of x
D.
the values above the X-axis are negative values of y
E.
the values on the X-axis are positive v

Answers

The statement that is true for the Cartesian coordinate system is A. the values below the X-axis are negative values of x.

What is the Cartesian coordinate system?

The Cartesian coordinate system, also called rectangular coordinate system, helps plot coordinates in a two-dimensional plane. This model contains two axes -- the x-axis (horizontal) and y-axis (vertical) -- that meet at the origin. The values beneath the x-axis represent negative y-values, not x-values as some assume.

Likewise, above the x-axis represents positive y-values, not x-values. Meanwhile, points along the x-axis aren't considered either positive or negative but rather labeled based on their distance away from the origin as per this structure's guidelines.

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The net below shows a square pyramid. What is the lateral surface area?

Answers

The lateral surface area of the pyramid is 112 sq. in.

The correct answer is an option (B)

From the attached figure of the net of a square pyramid, we can observe that the side length of the square base is 8 in and height of the lateral triangular face is 7 in.

The lateral surface area of the pyramid is equal to the area of the four triangular faces of the pyramid.

Using the formula of the area of triangle, the lateral surface area would be,

A = 4 × (1/2 × base × height)

A = 4 × (1/2 × 8 × 7)

A = 4 × (4 × 7)

A = 4 × 28

A = 112 sq. in.

This is the required lateral surface area.

The correct answer is an option (B) 112 in²

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Find the complete question below.

The net below shows a square pyramid. What is the lateral surface area? A. 176 in^2

B. 112 in^2

C. 64 in^2

D. 210 in^2

PLEASE HELP! ITS NOT HARD I JUST CANT COPY PASTE IT

Answers

The inequality that can be used to find the number of sales she needs to make is D. 100 + 15x ≥ 500.

How to find the inequality ?

In this scenario, Aaliyah wants to earn at least $500. The fixed amount she earns is $100, and she earns $15 for each sale.

Therefore, the total amount she earns can be represented as 100 + 15x, where x is the number of sales she makes. To ensure that she earns at least $500, we can set up the inequality 100 + 15 x ≥ 500.

With this inequality, we can see that the sum of the $ 100 base salary and the $ 15 per sale would add up to a sum that is either $ 500 or above.

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Select the true statement. A. 5 tons> 10, 500 pounds B. ton + ton > 3,800 pounds C. 2 tons = 64, 000 ounces D. 1 tons-ton < 24,000 ounces​

Answers

I think it is C.

C. 2 tons = 64, 000 ounces

An expression is shown below: 3pf2 − 21p2f + 6pf − 42p2 Part A: Rewrite the expression by factoring out the greatest common factor. (4 points) Part B: Factor the entire expression completely. Show the steps of your work. (6 points)

Answers

The expression factoring out the greatest common factor is  (3pf - 21p²)(f + 2).

We have the expression as

3pf² - 21p²f + 6pf - 42p²

Now, factorising the expression as

= 3pf² + 6pf - 21p²f - 42p²

= 3pf(f +2) - 21p²(f + 2)

= (3pf - 21p²)(f +2)

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Solve for x.
10 cm
X
8 cm
X = = [?]°
Round to the nearest hundredth.

Answers

The value of the variable x is 51.340 degrees

How to determine the value

Note that their are six different trigonometric identities in mathematics.

These identities are;

sinecosinetangentcotangentsecantcosecant

Also, these identities have their different ratios, they are;

sin θ= opposite/hypotenuse

tan θ = opposite/adjacent

cos θ = adjacent/hypotenuse

From the information given, we have that;

Opposite = 10cm

Adjacent = 8cm

Substitute the values

tan x = 10/8

Divide the value, we have;

tan x = 1.25

Find the tangent inverse, we get;

x = 51. 340 degrees

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epa regulations include which of the following in definition of a small appliance:A: products manufactured, charged and hermetically sealed in a factory.B:products having 5 lbs or less of refrigerant.C: products with compressors under 1/2 horsepowerD: both A and B Presenting Your Research FindingsIn this activity, you will present your revised and finalized multimedia presentation you created based on your expository research paper to the larger audience.As you present be sure tomaintain eye contact with the audience.speak using an appropriate pace, tone, and volume.use appropriate gestures to emphasize key ideas.use formal, academic language.present relevant, concise, well-supported information with a strong command of your research.Part C Presenting Your Research FindingsNow that you have delivered your presentation, reflect on your overall presentation and delivery using the rubric. Rate and justify your performance in the space below. the circulation of blood within an organ or tissue inadequate amounts to meet the cells current needs is called the nurse is admitting a client to the hospital unit with a diagnosis of marasmus. this diagnosis is most likely secondary to what? To study inner sensations, images, and feelings, Edward Titchener engaged people in self-reflectivea. psychoanalysis.b. introspection.c. positive psychology.d. spaced practice. Which of the following is an example of the nurse using clarification to facilitate communication? (Select all that apply.)"What would you say is the main point of what you are saying?" is correct. "I am not sure I am following you" is correct*"That sounds hard to believe" is incorrect. This statement voices doubt and undermines the client's beliefs. It is not facilitating communication."You appear tense" is incorrect. This is an example of making observations or calling attention to the client's behavior."Tell me more about that" is incorrect. This is an example of exploring, which allows for examination of certain ideas, experiences, or relationships in greater detail."What would you say is the main point of what you are saying?" is correct. This is an example of using clarification to determine the meaning behind communication. It facilitates understanding."I am not sure I am following you" is correct. This is an example of using clarification to determine the meaning behind communication. It facilitates understanding. the patient tells the nurse that he has been treating his stomach pain with a lot of calcium carbonate. it is most important for the nurse to assess the patient for the polymerase chain reaction (pcr) can be used to produce __________ of copies in a few hours. what massage movement is performed by kneading the muscles between the thumb and fingers? .1. Look up the structure for chlorophyll b. Do you expect it to be more or less polar than chlorophyll a? why?2. Xanthophylls are yellow cartenoid pigments that are commonly found in vegetables, and include compounds like lutein and neoxanthin. Look up structures of these molecules. Do you expect them to be more or less polar than B-carotene? why? 7) suppose that you select 4 different pizza toppings from a pizzeria that offers a total of 15 toppings. how many topping combinations are possible? Consider the figure. Which reason can be used to justify statement 22 the quality of suggesting rather than stating is basic to an artistic movement known as three hydroxide ions are needed to form a neutral ionic compound with an aluminum ion. (True or False) What is exemplified by the unions and mutual benefit societies of the early 1800s?Working-class attempts to gain some control over working conditionsWorking-class prejudices that led to racial segregationMechanics' attempts to mimic middle-class valuesMiddle-class reform movements What are the charges on the copper and phosphide ions, respectively, in copper(II) phosphide?2+, 3-2-, 3+2+, 1-2-, 1+ A trampoline is shaped like a circle. The radius of the trampoline is 5 feet. Around the edge of the trampoline is 0. 75 foot wide padded cover over the springs. This pad looks like a ring around the edge of the trampoline Estimate the latent heat of fusion for a food product with 68% moisture content suppose the economy faces an ad excess of $600 billion. if the mpc is 0.75, then the desired tax hike will be $ the function F is given by f (x) = x^2 - 2x which statement is true about the graph of f