Mathematics High School

The midpoint of AB is M(-2, 5). If the coordinates of A are (1, 7), what are the coordinates of B?

Answers

Answer 1

Answer:

(-5, 3)

Step-by-step explanation:

The midpoint formula: [tex](\frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2})[/tex]

Now, if we work backwards, starting with the x-coordinate

-2 * 2 = -4 - 1 = -5

Then, the y-coordinate

5 * 2 = 10 - 7 = 3

We reach our answer of (-5, 3). A good habit would be to plug these points back into the formula to check if your answer is correct.

Related Questions

PLEASE HELP I REALLY AM BAD AT MATH. I JUST NEED THIS. NO ONE HAS ANSWERED MY PAST QUESTIONS WHILE I ANSWER THERES ;(

4ABC is isosceles with AB = AC. All three side lengths of 4ABC and also
altitude AD are positive integers.
If the area of 4ABC is 60 cm2
, determine all possible perimeters of 4ABC.
Note: You may use the fact that the altitude of an isosceles triangle drawn to
the unequal side bisects the unequal side.


Thank you for ignoring this friendly request of help :(
BTW U GET 20 POINTS IF U ANSWER ME

Answers

To calculate the perimeter of an isosceles triangle, the expression 2s + b is used, where s represents the length of the two congruent sides and b represents the length of the base.

I may not know the answer but I know how to get it just follow the rule. Sorry if I didn’t help.

The height reached by a model rocket can be calculated using the equation h= -16t2 + vt +
where t is the time the rocket is in flight, vis the rocket's velocity, and n is the rocket's beginning
height.
Calculate the height, h at 3 seconds given that the rocket travels 85 feet per second and starts on a
launch pad 15 feet off the ground.
Knowns:
t = 3 seconds
v = 85 feet per second
n = 15 feet
If we plug all those values in, our Formula becomes h= (–16.32) + (85.3) + (15).
Solve for h

Answers

Answer:

Step-by-step explanation:

9.0

The height (h) reached by model rocket will be equal to 126 ft.

It is given that the height reached by a model rocket can be calculated using the equation h = - 16 [tex]t^{2}[/tex] + ( v × t ) + n

We have to calculate the height (h) at 3 seconds.

What is algebra ?

Algebra is the branch of mathematics that deals with various symbols and the arithmetic operations such as multiplication , division , etc.

As per the question ;

h = - 16 [tex]t^{2}[/tex] + ( v × t ) + n   ---------- Equation 1

∵ t = time rocket is in flight = 3 seconds

  v = velocity at which rocket travels = 85 ft. per second

  n = height of rocket at beginning = 15 ft

Putting these values in equation 1 , we get.

h = - 16 × ( 3² ) + (85) × (3) + 15

h = - 16 × 9 + 255 + 15

h = -144 + 270

h = 126 ft.

Thus , the height (h) reached by model rocket will be equal to 126 ft.

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At A nursey, the ratio of red flowers to yellow flowers is 5:4. If there are 28 yellow flowers, how many red flowers are there?

Answers

Answer:

35 red flowers

Step-by-step explanation:

4x7=28 yellow flowers

5x7= 35 red flowers

A container when 3/8 full,holds 15 litres of oil.How many litres of oil would be needed to fill 5 similar containers?​

Answers

Answer:

200l

Step-by-step explanation:

3/8 = 15l

1/8 = 15l/3

1/8 = 5l

1 = 5l × 8

1 = 40l

5 = 5×40l

5 = 200l

I need brainliestttttt

What is the solution to the system of linear equations shown on the graph?



Group of answer choices

A)0

B)(-2, 2)

C)The system has no solution.

D)The system has infinitely many solutions.

Answers

Answer:

oof thats hard but i think it B OR C

Step-by-step explanation:

Given g(x) =
1/4(15 - x)^2
what is the value of g(7)?

Answers

Answer:

16

Step-by-step explanation:

Substitute (7) into the equation.

y= 1/4(15-(7))^2

help immediate i will mark you brainliest

Answers

Answer:

What's the question?

You are looking for a new cell phone plan. The first company, Cellular-Tastic (f), charges a monthly fee of $35 and $0.11 per minute of use. Dirt-Cheap Cell (g) charges a monthly fee of $55 and $0.01 per minute of use.
a. How many minutes would you need to use for the cell phones to cost the same amount?
b. Create a graph to model this situation and describe the graph in writing in the space provided. Include the general shape and any intersections or intercepts.
c. Using your graph, explain when each company would be a better option.

Answers

Answer:

A. 200 minutes

Step-by-step explanation:

Question 2 (1 point)
In a football game, all for the home team's 26 points came from 7-point touchdowns and 3-point field goals. The team scores six times. Write
and solve a system of equations to find the number of touchdowns and field goals that the home team scored.

Answers

Answer:

(2,4)

Step-by-step explanation:

Equation 1:

x+y=6(for the 6 times they scored)

x=-y+6

Equation 2:

7x+3y=26 (for the 7 point touchdowns, and 3 point field goals.)

7(-y+6)+3y=26(replace x with -y+6)

7y+42+3y=26(distrubite property)

-4y+42=26

-4y= -16

y= 4

Now that we know that y is equal to 4:

x+4=6

x=2

The number of touchdowns and field goals that the home team scored are 2 and 4 respectively

Let the number of points touch down be xLet the number of -point field goals be y

If the team scored six-time, this is expressed as;

x + y = 6

y = 6 - x ........................ 1

If in the football game, all for the home team's 26 points came from 7-point touchdowns and 3-point field goals, this is expressed as;

7x + 3y = 26 ...................2

Substitute equation 1 into 2 to have:

7x + 3(6-x) = 26

7x + 18 - 3x = 26

4x + 18 = 26

4x = 26 - 18

4x = 8

x = 2

Recall that y = 6 - x

y = 6 - 2

y = 4

Hence the number of touchdowns and field goals that the home team scored are 2 and 4 respectively

Learn more on simultaneous equations here: https://brainly.com/question/6597041

What is 1/3 divided by 2

Answers

Answer:

0.16666666666 so just put 0.16

Step-by-step explanation:

A bottle contains 3/4 gallon of fruit punch. If 6 people share the fruit punch equally, how much fruit punch does each person get ?

Answers

Answer:

each person should get 0.125 of the gallon

Step-by-step explanation:

Answer:

2/9

Step-by-step explanation:

i need help with this asap please

Answers

480 minutes of talk time

20^2 (20 squred) = ?​

Answers

Answer:

400

Step-by-step explanation:

20 squared is basically 20 x 20

20 x 20 = 400 because 2 x 2 = 4 and then move the two 0s over to get 400

Hope this helps! Have a nice day :)

???? , y’all should know by now i HATE math so can like one of y’all help out . lol

Answers

Answer: d-250

Step-by-step explanation: it states that Samuel receives a “net winnings” meaning he won more than he spent on the competition. Since “net”means total earned minus amount payed, what he won has to be subracted from what he owes.

Please help I have a D in this class.

Answers

Answer:

the value of x in terms of b is bx=-13

the value of x when b is 3 is x=-1

Which Figure is a rotation of the Blue Figure?
A
B
C
D

Answers

B is the rotation of the Blue figure

Write and solve an equation for this problem.


Wakaba buys some granola bars at $0.50 each and energy drinks at $2 each for a group hike. She buys twice as many granola bars as energy drinks. If she spends $27 in total, how many granola bars and energy drinks does she buy?


Let x= the number of energy drinks

Answers

Answer:

Wakaba bought 18 granola bars and 9 energy drinks.

Step-by-step explanation:

From the information given, you can write the following equations:

0.50x+2y=27 (1)

x=2y (2),where:

x is the number of granola bars

y is the number of energy drinks

You can replace (2) in (1) and solve for y:

0.50(2y)+2y=27

y+2y=27

3y=27

y=27/3

y=9

Now, you can replace the value of y in (2) to find x:

x=2(9)

x=18

According to this, the answer is that Wakaba bought 18 granola bars and 9 energy drinks.

2 . Select the correct answer from the drop-down menu. When this polynomial is divided by (m + 1), the remainder is 0. What is the value of the polynomial's constant term? -2m2 + m - m +​

Answers

Answer: answer would be -4

Step-by-step explanation:

Answer:

-4

Step-by-step explanation:

plato

then nth term of a sequence is 10-4n list the first 3 terms​

Answers

6, 2, -2 i could be wrong :/

The required first 3 terms of the sequence are 6, 2. -2.

Given that,
Then nth term of a sequence is 10-4n list the first 3 terms​ is to be determined.

What is arithmetic progression?

Arithmetic progression is the series of numbers that have common differences between adjacent values

What is geometric progression?

Geometric progression is a sequence of series whose ratio with adjacent values remains the same.

Here,
Nth term = 10 - 4n
For the first term, put n = 1
1 st term = 10 - 4 = 6
For the second term put n = 2
2nd = 10 - 8 = 2
For the third term put n = 3
3rd = 10 - 12 = -2

Thus, the required first 3 terms of the sequence are 6, 2. -2.

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Find the length of AD

Answers

Answer:

AD = 6

Step-by-step explanation:

5+x-----12

5------10

50+10x = 60

10x = 60-50

10x = 10

x = 1

AD = 5+1

AD = 6

Write the equation in slope intercept form (y=mx+b) of a line that passes
through the points (1,7) and (3,-5).

Answers

Answer:

y = -6x +13

Step-by-step explanation:

slope = rise over run

-12 rise for 2 run

slope = -6

y intercept = 13

i just need the last 2 boxes. PLZ HELP

Answers

Answer: first box: 1/8

second box: 4

Step-by-step explanation:

will give BRAINLIEST!

Answers

Answer:

3&5

Step-by-step explanation:

Answer:

the 3rd or 4th

Step-by-step explanation:

The sum of three consecutive integers is 108. What are the integers

Answers

Answer:

35, 36, and 37

Step-by-step explanation:

We know our answer is correct because 35 + 36 + 37 equals 108.

Answer:

35,36,and 37

Step-by-step explanation:

24xy-10y-18x from 13xy+12y+14x with explanation

Answers

Answer:

24xy+2y−234x​2fromy+14x

Step-by-step explanation:

24xy−10y−(18×13)xxfromy+12y+14x

24xy−10y−234xxfromy+12y+14x

24xy−10y−234x​2fromy+12y+14x

24xy+(−10y+12y)−234x​2fromy+14x

find the measure of y
please ​

Answers

Answer:

y=140

Step-by-step explanation:

if it's an option

y =140
It should be a option

Help!!!
Find the total cost to the nearest cent. $18 breakfast; 7% tax

Answers

Answer:

19.26

Step-by-step explanation:

The ratio of 6th graders to 7th graders in a class of 35 students is 3:4. How many more 7th graders than 6th graders are in the class?

Answers

Answer:

Assessment started: undefined.

Item 1

The floor of a dollhouse is shaped like a rectangle with a length of 34 foot and a width of ​512​ foot. Use this model to determine the floor's area.

What is the floor's area?

Enter your answer as a fraction in simplest form by filling in the boxes.

Step-by-step explanation:

A television was marked down by 1/5 of the original price. a. If it was originally $150.00, how much is the sale price? The salesperson receives 1/10"commission on the sale price of the TV. How much does he make on the sale?

Answers

the sale price is 120 and he will get and i think he makes $12 commission

I need help plz asap

Answers

Answer: Angle A = 34 degrees

================================================

Explanation:

Check out the diagram below.

Segment BD cuts angle EBC in half

So the two smaller pieces DBC and DBE are congruent. Let's call them x.

Let's make y = angle EBA.

Note how the diagram shows the angles x, x, and y forming a straight angle. So we can say

x+x+y = 180

2x+y = 180

y = -2x+180

We'll use this later.

For now, focus on triangle DEB. Angle E is 90 degrees and angle B is x.

D+E+B = 180

28+90+x = 180

x+118 = 180

x = 180-118

x = 62

Which means

y = -2x+180

y = -2*62+180

y = -124+180

y = 56

Now focus on triangle BEA. We have B = 56, E = 90 and A = z

B+E+A = 180

56+90+z = 180

146+z = 180

z = 180-146

z = 34

which is the measure of angle A.

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