Mathematics High School

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Answers

Answer 1

Answer:

3

Step-by-step explanation:

Factor the numerator and denominator and cancel the common factors.

Answer 2

Answer:

2.25 or fraction 9/4

Step-by-step explanation:

Related Questions

An airplane takes off from point A in a straight line, as shown in the diagram. The distance from A to E is?

Answers

Answer:

11700

Step-by-step explanation:

plato

Answer:

11700

Step-by-step explanation:

Pls help! What is mSN ?

Answers

Answer:

ur ugly face

Step-by-step explanation:

ooooooooooooooooooooooooooooooo

Anyone? Would appreciate it.

Answers

Answer:

correct

Step-by-step explanation:

Confused and I need help please

Answers

Y=Mx+b
10=-4(-3/2)+ b
10 = -6 + b
16 = b
Y int =b = 16
use the y=mx+b method and u plug everything in and get your answer

Solve: negative 1 over 2 x + 1 = −x + 8 (5 points)

a
7

b
1 over 2

c
14

d
18

Answers

it is 14 because if you have -1/2x + 1 = -x + 8 you would combine the multiplied terms into a single fraction then subtract the one from both sides simplify till you get -x/2 = -x + 7 then you will add like terms so the x’s then you multiply all terms by two like 2(-x/2)= 2•7 then you can get 14.
(Sorry if you didn’t need the whole explanation)

Answer:

14

Step-by-step explanation:

Brianna bought a bicycle for $275.It is now on sale for $150. Find the percent of change of change in the price. Round to the nearest percent.

Answers

Answer:

45%

Step-by-step explanation:

First we find the difference between the prices,

[tex]275-150[/tex]

is 125

and

[tex]125/275=0.454545454545.....[/tex]

which in percentage is

[tex]45.4545454...[/tex]

and that rounds to 45%

Choose the correct answer to 1,889/36.
42 R17
51 R53
52 R15
52 R17

Answers

Answer:

52 R17

Step-by-step explanation:

52 * 36 = 1872

1889 - 1872 = 17

--> 52 R17

The. Correct answer is 52R17

PLEASE PLEASE HELP ME IM ALMOST DONE WITH IT DONT BE SHY IM DYING

Answers

Answer:

Umm what did you say anyway. I did not understand.

0.79 is the probability answer. Please vote my answer brainliest! Thanks.

I NEED ANSWER ASAP. BRAINLIEST​

Answers

Answer:

Wait I just realized, none of them are cubic? for a polynomial to be cubic it needs to be [tex]x^{3}[/tex]

Please help its7to10 I be waiting like two hours

Answers

Answer:

Please check the explanation!

Step-by-step explanation:

Important factors to remember regarding the like terms:

'Like terms' are terms whose variables such as 2x and 6x are the same. Also if the variables contain the exponents such as 4 in x⁴, they must be the same too.Since the coefficient doesn't affect likeness, therefore we can say that all constant terms would be treated as the like terms.

Question 7

Given the terms

2b     b⁶     b     x⁴     3b⁶     2x²

From the list of terms, there are two groups of like terms which are:

2b     b       (Like terms containing the variable b)

b⁶      3b⁶    (Like terms containing the variable b with the same exponents)

The remaining two x⁴  and 2x² terms are different from each other and the rest of the terms

Question 8

Given the terms

6     2n     3n²     3m²     n/4     7

From the list of terms, there is one group of like terms which are:

6     7       (Constants Like terms)

2n    n/4   (The terms with the same variable n)

All the remaining terms such as 3n², 3m² are all different from each other and the rest of the terms.

Question 9

Given the terms

10k²      m     3³     p/6     2m

From the list of terms, there are there is one group of like terms which are:

m     2m     (The terms withe same variable m)

All the remaining terms such as 10k², 3³, p/6  are all different from each other and the rest of the terms.

Question 10

Given the terms

6³      y³     3y²     6²     y      5y³

From the list of terms, there are two groups of like terms which are:

y³    5y³     (The terms withe same variable m and exponent)

6³     6²      (Constant like terms. Plz don't confuse the power as all are the same constant terms)

All the remaining terms such as y and 3y² are all different from each other and the rest of the terms.

A bag contains 6 blue marbles, 8 green marbles, 9 red marbles, and 17 yellow marbles. What is the ratio of blue marbles to total marbles?

Answers

Answer: 3:20

Step-by-step explanation: There are 6 blue marbles. Altogether, there are 40 marbles. So it would be 6:40, which simplifies to 3:20.

can someone please help me?? i’ll make you a brainliest.

Answers

Answer:

-4/1

Step-by-step explanation:

Answer:

i;m pretty sure your answer is -4/1

Step-by-step explanation:

i hope this helped you

Write a summary can Smartphones improve student lives? why or why not ( in your own words )

Answers

Answer:

Smartphones can imrove student lives by giving students the ability to contact their teachers to ask questions or comment on a specific work. they can also allow the student to look up answers and learn from what others think. Smartphones can also add distractions in class and allow an easy way to cheat on a test or a quiz. Overall Smartphones can be beneficial and harmful to a students life.

Step-by-step explanation:

What is the value of the x variable in the solution to the following system of equations?
4x + 2y = 6
x - y = 3

Answers

Answer:

The solution is x=2 and y=-1

Step-by-step explanation:

(step 1)

4x + 2y = 6

x - y = 3 - then multiply by 2

4x +2y = 6

2x -2y = 6 then add

6x  x   = 12 x = 12/6 = 2

Substitue back in (step 1)

4 x 2 + 2y = 6

   8 + 2y = 6

Answer is = 2y = -2  y= -1

Solution: x= 2

               y= -1

Find the slope of the line passing through the two points.

(2.1, 3.8), (3.1, 7.6)

Answers

Answer:

3.8

Step-by-step explanation:

Slope formula- m = y2 - y1            

                                x2 - x1      

x1, y1

2.1, 3.8

                                   7.6 - 3.8

                                    3.1 - 2.1   =   3.8

x2,y2

3.1, 7.6                          

Marita's nose is 2 inches long and her head is 9 inches tall. Assume Mount Rushmore was carved using the same ratio. If Teddy Roosevelt's head is 60 feet tall, how long should his nose be? Round to the nearest foot, if necessary.
Mount Rushmore

President Roosevelt's nose should be approximately
A feet long.

Plz help it is due in 15 minuites

Answers

Answer:hey guys it’s 13

Step-by-step explanation:

Don’t have an explanation but my teacher just said so and he’s smart so trust me

HELP PLEASE WILL GIVE BRAINLY

Answers

Answer:

The constant of proportionality is 3

Step-by-step explanation:

Use equation y=kx where k is constant of proportionality.

y/x is it. so 12/4=3

3

Yeah after taking one look at it it would be 3 6/2=3 12/4=3 etc. They all do this thus it would be 3

Given P(A)=0.78P(A)=0.78, P(B)=0.65P(B)=0.65 and P(A\cup B)=0.873P(A∪B)=0.873, find the value of P(A\cap B)P(A∩B), rounding to the nearest thousandth, if necessary

Answers

Answer:

[tex]P(A\ n\ B) = 0.557[/tex]

Step-by-step explanation:

Given

[tex]P(A) = 0.78[/tex]

[tex]P(B) = 0.65[/tex]

[tex]P(A\ u\ B) = 0.873[/tex]

Required

Determine [tex]P(A\ n\ B)[/tex]

From laws of probability, we have:

[tex]P(A\ n\ B) = P(A) + P(B) - P(A\ u\ B)[/tex]

Substitute in values

[tex]P(A\ n\ B) = 0.78 + 0.65 - 0.873[/tex]

[tex]P(A\ n\ B) = 0.557[/tex]

Hence, [tex]P(A\ n\ B)[/tex] is calculated to be 0.557

A right triangle with a base equal to 24 in and height equal to 18 in.

​

Answers

Answer: A= 216

Step-by-step explanation:

15x - 9 = -69 i need help :0 if i dont get this right the world could end

Answers

Answer:

x= -4

Step-by-step explanation:

you would first add the 9 to -69 to get -60 then you would divide -60by 15 to get -4

hope this helps

:)

Answer:

15x=-69+9

15x=-60

x=-60/15

x=-4

Step-by-step explanation:

Subtract: 3.8 - 2.923. Explain in your own words how you would solve this, in detail, from start to finish.

Answers

Answer:

Step-by-step explanation:

3.8-2.923

Change to 3.800 to match the number of digits in the second number. Work from right to left. 3 minus 0 is 7. work our way over until the end. You should get 0.877 for an answer.

what is the answer
9x plus 2 (2x+3)

Answers

Step-by-step explanation:

=9x+2(2x+3)

=9x+4x+6

=13x+6 I hope so,

Answer :
13x+6

Step by step explanation:
9x+2 (2x+3)
= 9x + 4x + 6
= 13x + 6

help! i'm not sure how do this so if someone can explain that would be nice :) ​

Answers

Answer:

In slope intercept form it would be y=-1/2x+3

Step-by-step explanation:

THIS IS AN EXAMPLE ON HOW TO GET SLOPE INTERCEPT FORM. start with the point slope form y-y1=m(x-x1) and solve for y. y-8=2(x-6) so y-8=2x-12, add 8 to end up with y=2x-4. 2) start with slope intercept form and solve for b, then substitute that back in: y=mx + b, so 8=2(6)+b, 8=12+b, subtract 12 to get b=-4, therefore equation is y=2x-4.

Solve for t: t - 2 = 10
Question 3 options:

t = 2

t = 8

t = 10

t = 12

Answers

Answer: t=12

Step-by-step explanation:

t-2=10

add 2 to both sides of the equation

t=12

Answer t = 12
.......


Determine the point of intersection of right bisectors in a triangle ∆ABC with vertices A (-3, 5), B (1, 1) and C (−7, −3). Find the distance from the point of intersection to each vertex of the triangle.

Answers

9514 1404 393

Answer:

intersection: (-3 2/3, 1/3)distances to vertices: (10/3)√2

Step-by-step explanation:

A) In order to write the equations of the perpendicular bisectors of the segments, we need to know the midpoint and the slope.

The midpoint is the average of the coordinates:

  midpoint(A, B) = ((-3, 5) +(1, 1))/2 = (-3+1, 5+1)/2 = (-1, 3)

  midpoint(A, C) = ((-3, 5) +(-7, -3))/2 = (-3-7, 5-3)/2 = (-5, 1)

The differences between the coordinates of the points can be helpful:

  B-A = (1, 1) -(-3, 5) = (1+3, 1-5) = (4, -4) . . . . . reduces to (∆x, ∆y) = (1, -1)

  C-A = (-7, -3) -(-3, 5) = (-7+3, -3-5) = (-4, -8) . . . . . reduces to (∆x, ∆y) = (1, 2)

_____

A line through point (h, k) perpendicular to one with (∆x, ∆y) can be written:

  (∆x)(x -h) +(∆y)(y -k) = 0

Then the bisectors of AB and AC will be ...

  (x +1) -(y -3) = 0

  (x +5) +2(y -1) = 0

Their intersection point can be found by solving this system.

  (x +2y +3) -(x - y + 4) = (0) -(0) . . . . . subtract the 1st equation from the 2nd

  3y -1 = 0

  y = 1/3

  x = y -4 = -3 2/3

The point of intersection of the right bisectors is (x, y) = (-3 2/3, 1/3).

__

B) The intersection point is the circumcenter. It will be the same distance from any of the vertices.

That distance can be found using any of the vertices. Using point B, we find the distance to be ...

  d = √((-3 2/3 -1)^2 +(1/3 -1)^2) = √((14/3)^2 +(2/3)^2) = √(200/9)

  d = (10/3)√2

The distance to each vertex is (10/3)√2 ≈ 4.71.

Hurrrryy i neeed hellp The Egyptians needed to know the _________ of everyone’s land so they could determine the amount of taxes one would pay for that land.

A.
inhabitants
c.
shape
b.
size
d.
Egyptians did not pay tax

Answers

Answer:

d. Egyptians did not pay tax

Step-by-step explanation:

If the Egyptians were to pay tax from land they would use the area of the land.

Answer:

size I think, sry if wrong(

If the weight of a package is multiplied by 3/4 the result is 54 pounds find the weight of the package?

Answers

Answer:

72

Step-by-step explanation:

In order to find the solution to this problem, you would first need to divide 54 by 3, than multiply by 4. You could also multiply 54 by the reciprocal of 3/4, which is 4/3.

Suppose babies born in a large hospital have a mean weight of 3831 grams, and a variance of 108,900. If 65 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would be less than 3882 grams? Round your answer to four decimal places

Answers

Answer:

0.8944

Step-by-step explanation:

We start by calculating the z-score

To calculate the z-score, we shall need the standard deviation

Mathematically, standard deviation is square root of variance

that will be; SD = √108,900 = 330

Formula for z-score is;

x-mean/SD/√n

where n is 65 in this case

z-score = (3882-3831)/330/√65 = 1.25

The probability we want to calculate is;

P( X < 1.25)

we can use the standard normal distribution table for this

Using the table;

P( X < 1.25) = 0.89435 which is 0.8944 to 4. decimal places

Answer:

0.8944

Step-by-step explanation:

A snow making machine priced at $1800 is on sale for 25% off. The sales tax rate is 6.25%. What is the sale price including tax? If necessary round your answers to the nearest cent.

Answers

Answer:

1434.375

Step-by-step explanation:

If you multiply 1,800 by 25% you get 1,350

you take 1,350 and add 6.25% because the 6.25% is the tax.

Then you will get 1434.37 or 1434.40

Gabriella ran several laps around a 1/4-mile track. Then she ran 2 1/2 miles on a trail. In all, she ran 4 miles. Write and solve an equation to find l, the number of laps Gabriella ran.

Answers

9514 1404 393

Answer:

1/4×l +(2 1/2) = 4l = 6

Step-by-step explanation:

For l laps around a 1/4 mile track, the total distance is ...

  l×(1/4)

After adding 2 1/2 miles to that, Gabriella's total distance was 4 miles:

  l×(1/4) +(2 1/2) = 4 . . . . an equation to find l

__

We can solve this equation by subtracting 2 1/2, then multiplying by 4.

  l×(1/4) = 1 1/2

  l = 4(1 1/2)

  l = 6

Gabriella ran 6 laps on the track.

Other Questions
This is really confusing i need help if you get this right i will give you brainliest 1 2 3 4 5 6 7 8 9 10 Read the paragraph.The Industrial Revolution produced both positive and negative results. The greatest positive result was that it made many goods more plentiful. This availability, in turn, made the goods cheaper. Factories also created jobs for many people. Even though most of these jobs did not pay well, many people moved to the cities to work. Unfortunately, this led to overcrowding. Equally unfortunately, the same factories that produced jobs also produced pollution.How would this paragraph be useful to someone gathering evidence for an argumentative essay on the Industrial Revolution To begin a basketball game, a referee msut toss the ball vertically into the air. This process can be modeled by the equation h(t) = -16t^2+22t+6, where h represents the ball's height (in feet) after t seconds. Determine the time interval (in seconds) in which the height of the basketball is 8 feet. Round your answer to the nearest thousandth of a second what is 40/17 rounded to the nearrst hundreth as a decimal Please help ASAP!!!! Apply the distributive property to the expression to write an equivalent expression.5x + 35Complete the statements.Find the GCF of .Now, factor out the GCF by dividing each term in the expression by .5x divided by the GCF is , and 35 divided by the GCF is .The equivalent expression is .SOMEONE PLS HELP I'M. DYING PLS 6th grade pre teacher ED i mark as brainliest which of these options highlights the need for learning algorithmsA. Algorithms help you draw neat diagramsB. Algorithms help you create easily understandable programsC. Algorithms help you learn assembly-level languageD. Programmers can code using algorithms only Find A. Round to the nearest tenth: Question 9 and 10 please help its due today and I will mark you brainless Identify the most precise name for the angle pair shown in the picture. What is the image of 2,-1 after a reflection over the y axis geometry question. please help Marie can find the volume of a cube by using the formula V=s exponent 3 where s repersents the side length of the cube if marie's cube has a side length of 2-1/2 centimerters what is the volume of her cube? WRITE AS A FRACTION Which point is not on the graph of the function y = x + 2?(3, 5)(6, 8)(7, 9)(2, 0) A roadway is to be designed on a level terrain. The roadway id 500 ft. Five cross-sections have been selected at 0 ft, 125 ft, 250 ft, 375 ft, and 500 ft. the cross sections have areas of 130 ft^2, 140 ft^2, 60 ft^2, 110 ft^2, and 120 ft^2. What is the volume needed along this road assuming a 6% shrinkage? If 200 men can make a road 5 km long in 25 days ,how much overtime per day must 60 men can work to finish an road 2 km in 32 days , 12 hours being a day's work ? An african elephant in rhe wils will eat for as long as 16 hours each day. For how many hours does an elephant eat in one year? There are 365 days in one year. What kind of sentence is We stay for about a week HELPP!! BRAINLIEST??