Mathematics High School

I need help with this please

Answers

Answer 1

Answer: D

Step-by-step explanation:

Domain is x and Range is y

Related Questions

Solve the equation.

s/2 = 2.5

A

12.5

B

5

C

50

D

10

Answers

Answer:1312

Step-by-step explanation:because it is what it Ez

I drove 340 miles in my truck on 20 gallons of gas. Please tell me how many miles I can drive on one gallon of gas.

Answers

Answer:

you can go 16 miles

Step-by-step explanation:

Ali wants to make bracelets to sell at a craft fair. She borrows money from her sister to
buy beads and cord. Ali spends $8.00 on supplies. At the craft fair, Ali makes $17.00
selling her bracelets. How much money does Ali have after she pays back her sister?

Answers

Answer:

She has 9.00 left

Step-by-step explanation:

She borrowed 8.00 then she made 17.00 then you subtract 17.00 - 8.00 and get 9.00

If a1 = 4 and an -4an-1 then find the value of an.

Answers

1 = 4
-4an - 1

-4an -(4)
an 1

The lines (m-2)x+y=2 and mx+2y=k intersect at (2,8). Find the values of m and k

Answers

Answer:

m = - 1, k = 14

Step-by-step explanation:

The coordinates of the point of intersection (2, 8 ) satisfy both equations.

Substitute x = 2, y = 8 into the equations and solve for m and k

(m - 2)x + y = 2

2(m - 2) + 8 = 2

2m - 4 + 8 = 2

2m + 4 = 2 ( subtract 4 from both sides )

2m = - 2 ( divide both sides by 2 )

m = - 1

and

mx + 2y = k

- 1(2) + 2(8) = k

- 2 + 16 = k

14 = k

Then m = - 1 and k = 14

what's the value of x?

Answers

Answer:

if your teacher says

that it is wrong then tell him/her to study once again

Answer:

x = 75

Step-by-step explanation:

The angle vertically opposite 50° is also 50° ( congruent )

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the 2 angles from 180° for x

x = 180° - (50 + 55)° = 180° - 105° = 75°

if the median of data Carranged
in acending order 31, 33, 35,Xxx Mo,
48, 48, 50 is 40 then find value of
X

Answers

Answer:

Step-by-step explanation:

If the median of data (arranged in ascending order) 31,33,35,x,x+10,48,48,50 is 40,then find value of x.

Solution:

The median of a data is the middle number after the numbers from the data have been arranged either from least to greatest or from greatest to least. For an even number of data, the median is the average of the middle two numbers.

The data arranged in ascending order is:

31,33,35,x,x+10,48,48,50

SInce the data has an even number (8), the median is the average of the middle two numbers.

Median = average of x and x + 10

[x + (x + 10)] / 2 = median

[x + (x + 10)] / 2 = 40

x + x + 10 = 80

2x + 10 = 80

2x = 70

x = 70/2

x = 35

Josh's brother wants a new pair of shoes for his birthday, the shoes typically cost $79.99 but are on sale today for $49.99. What percentage is the markdown out of the original price?

Answers

Answer:

49.99 / 79.99 = 0.65

since 49.99 is 65% of 79.99, that means the shoes were marked down 35%

Step-by-step explanation:

Can y’all do me a big big favor and help me pls

Answers

Answer:

it's either 3√36 or 2.002

HELP PLS I HAVE TO FINISH THIS IN 20 MINUTES PLS HELP!!!!!

Answers

Answer:

answer is b

Step-by-step explanation:

the dot filled in means that its equal to 12 and above

when it's not filled it means that its not equal to 12

Increase £101 by 16%
Give your answer rounded to 2 DP.

Answers

the answer is £84.84 i think

If we increase £101 by 16% then it would be £117.16

What is percent?

"It is the number that can be expressed as a fraction of 100."

For given example,

we need to increase £101 by 16%

First we find the 16 percent of £101

16% of £101 = 101 × (16/100)

16% of £101 = 101 × 0.16

16% of £101 = £16.16

So, if we increase £101 by 16% then it would be,

£101 + £16.16 = £117.16

Therefore, if we increase £101 by 16% then it would be £117.16

Learn more about the percentage here:

https://brainly.com/question/22111589

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Write a simplified expression for the perimeter of the triangle.

Answers

Answer: 2x + 4

Step-by-step explanation:

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

Put like terms together

2x + x - x - 1 + 1 + 4

Combine like terms

2x + 0 + 0 + 4

2x + 4

9 x 2 = 2 x 9

A. Associative property of x
B. Distributive property
C. X inverse property
D. Commutative property of X

Answers

Answer:

Step-by-step explanation:

communicative property of X

what is 22 divieded by 2345

Answers

Step-by-step explanation:

when 22 is divided by 2345

Then

22/2345

= 0.0093816631

Answer:

22÷2355? or 2345 ÷ 22

Step-by-step explanation:

22÷ 2345 =0.00093

but, 2345 ÷22= 106.590

If y varies directly as x and y = 11 when x = 2.5, find y when x = 27.5.

Answers

Answer:

27.5

Step-by-step explanation:

y=consx

y=x

y=27.5

Answer:

121

Step-by-step explanation:

you can either set up a proportion or a table (i inserted a picture for both ways!) After setting up a table you would calculate how much it is to get from 2.5 to 27.5 (so you divide 27.5/2.5) to get 11. Then you move to the y side of the table where you would have to multiply 11×11 to get your answer (which is 121)

I will mark brainliest thanks

Answers

-7, -2. It is the same y but opposite x

Answer:

Step-by-step explanation: it All Becomes Negative if it is Reflected

find a quadratic polynomial the sum and product of whose zeroes are -3 and 2 respectively

Answers

Answer:

[tex]P(x)=x^2+x-6[/tex]

Step-by-step explanation:

Quadratic Polynomial

Assume we have a polynomial factored as:

P(x)=a(x-m)(x-n)

Where m and n are the zeros of P(x).

Operating:

[tex]P(x)=a(x^2-(m+n)x+mn)[/tex]

Note the coefficient of x is the negative sum of the zeros and the independent term is the product of the zeros.

If we are given the zeros m=-3 and n=2, then:

[tex]P(x)=a(x^2-(-3+2)x+(-3)(2))[/tex]

[tex]P(x)=a(x^2+x-6)[/tex]

We can choose any value for a, for example, a=2:

[tex]P(x)=2x^2+2x-12[/tex]

For a=1:

[tex]P(x)=x^2+x-6[/tex]

Kaitlin is going for a walk. She was at a speed of 3 miles per hour for 7.5 miles. For how many hours does she walk?

Answers

Answer: 2.5 miles

Step-by-step explanation:

if Kaitlin walks with 3 miles/hour, for 7.5 miles

7.5/3=2.5 miles -

Answer:

2.5 Hours

Step-by-step explanation:

I think

It's 2.something

How would you change it so that it is not misleading?
a. It appears that Mike's grade point average for the second quarter is 3 times his first quarter
average. Change the intervals on the vertical scale so they are consistent.
b. It appears that Mike's grade point average for the second quarter was significantly larger than
his first quarter average. Change the width of the bars to display the correct scale.
c. It appears that Mike's grade point average for the second quarter is 2 times his first quarter
average. Change the intervals on the horizontal scale so they are consistent
d. There is no way to change the graph so it is not misleading

Answers

The way to change it so that it is not misleading is A. It appears that Mike's grade point average for the second quarter is 3 times his first quarter average. Change the intervals on the vertical scale so they are consistent.

How to illustrate the graph?

A diagram or pictorial representation that organizes the representation of data or values is known as a graph. The relationships between two or more things are frequently represented by the points on a graph.

Mike's grade point average for the second quarter appears to be three times higher than for the first. The vertical scale's intervals should be adjusted to make them uniform. In this case, the correct option is A.

Learn more about graph on:

https://brainly.com/question/19040584

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Nathan and Olivia are saving money for school supplies. Nathan saves $2 per week and already has $30 in his bank. Olivia saves $4 per week and has $15 in her bank. Write the system of equations for this situation.

Answers

Answer:

Nathan: 2x+30

Olivia: 4x+15

Step-by-step explanation:

x is the number of weeks

Nathans account is as follows

2x+30

(2 dollars a week plus the 30 dollars already there)

Olivia's account is as follows

4x+15

(4 dollars per week plus the 15 already in there)

The system of equation for the given situation should be considered

Nathan: 2x+30

Olivia: 4x+15

Calculation of the system of equation:

here we assume x is the number of weeks

So for nathan, the equation is 2x+30

And, for Olivia's account is 4x+15

hence, The system of equation for the given situation should be considered

Nathan: 2x+30

Olivia: 4x+15

Learn more about an equation here: https://brainly.com/question/24389097

I will give brainliest!
What is the value of y?
Enter your answer in the box.

Answers

Answer

y=80

Step-by-step explanation:

Mal needs to memonze words on a vocabulary for Korcan classShe has memorized 16 of the words, which is one-fourth of the . How many words are on the list

Answers

Answer:

Step-by-step explanation:

if 16 is 1/4 of the list then multiply 16 by 4

16×4=64

PLEASE HELP ASAP!! WILL MARK BRAINLIEST

What is the equation of the line shown in this graph?

Answers

the slope is undefined

and the equation is:

x = -2

Can somebody answer this please :) ?

Answers

Answer:

I believe the answer is b. linear

Step-by-step explanation:

The equation is linear good luckkk!

Help I will give u 5 point please someone

Answers

Using Pythagorean Theorem 9 to the second is 81 and 3 to the second is 9 ... u add those two together it’s 90 and take the square root of that and it’s 9.48 round that as the question asked?

The diameter of the circle above is 100 cm. What is the circumference of the circle? (Use = 3.14.) I really need it

Answers

Answer:

314 cm

Step-by-step explanation:

The formula for the circumference is [tex]C=\pi d[/tex], when d is the diameter.

[tex]C=\pi d[/tex]

Plug in the given values

[tex]C=3.14*100\\C=314[/tex]

Therefore, the circumference of the circle is 314 cm.

I hope this helps!

what is the image of (4,2) ?

Answers

- don't know what you mean, but maybe the graph?

If 60% of the students in your class like Burger King, how many students are in your class if 15 students like Burger King?

Answers

Answer:

It is 9 students.

Step-by-step explanation:

You times 15 students and 60% and you get 9 students.

Adam divides 32 divided by 8,032 In which place should he write the first digit of the quotient?
A.Ones
B. Tens
C. Hundreds
D. Thousands

Answers

Answer:

100

Step-by-step explanation:

8032\32

Answer:

251

Step-by-step explanation:

32 divided by 8032 =251

Every year the value of an antique art painting appreciates by 10% its value in the beginning of the year. Find its value in 2012, if it was $ 18 000 at the end of 2010. (Give your answer to the nearest 100 dollars).

Answers

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