Mathematics High School

Combine like terms to simplify the following expression:
12x + 4y - 3x + 2 - 8y2 + 3^2

Answers

Answer 1

Answer:

−8y^2+9x+4y+11

Step-by-step explanation:

=12x+4y+−3x+2+−8y^2+9

Combine Like Terms:

=12x+4y+−3x+2+−8y^2+9

=(−8y^2)+(12x+−3x)+(4y)+(2+9)

=−8y^2+9x+4y+11

Good luck <3

Answer 2

Answer:

-8y^2+9x+4y+8

Step-by-step explanation:

^ refers to squared in my answer

Related Questions

Michelle flips a penny four times, and it lands heads up all four times. On her fifth flip, what is the probability that the penny will land tails up? Explain.

Answers

Answer:

1/2

Step-by-step explanation:

theoretical probability of a coin flip is always 50% heads, 50% tails

please help fast asap

Answers

Answer: 47 degrees

Step-by-step explanation:

7x-9=4x+15 because of the vertical angle rule

7x-9=4x+15

3x=24

x= 8

So the angle 7(8)-9 = 47°

Answer:

m<ABC=<7x-9=7×8-9=47° is your answer

Step-by-step explanation:

4x+15=7x-9 vertically opposite angle

15+9=7x-4x

x=24/3=8

I need help with this question​

Answers

Answer:

It would be b I think

Step-by-step explanation:

Letter B is the correct answer to your question

which best describes the scatter plot

Answers

D positive; non linear
I’m thinking probably letter D

The length of the base of a triangle with a constant area varies
inversely as the triangle's height. When the base is 36 inches, the
height is 8 inches. Find the length of the base when the height is
12 inches.

Answers

Answer: 102

Step-by-step explanation:

A pair of jeans is normally priced at $56, but is currently marked down for with a 35% discount. What would replace the B in the proportion? A/B=P/100%

Answers

Answer:

$36.4

Step-by-step explanation:

Given

Cost of Jean = $56

Percent markdown = 35%

Discount = 35% of $56

Discount = 0.35 * 56

Discount = $19.6

New price = $56 - (35% of $56)

New price = $56 - 19.6

New price = $36.4

hence the price that will replace B is $36.4

need help asap please!

Answers

Answer:

A

Step-by-step explanation:

The area of the large triangle is 36*24/2

minus the small triangle which is 21*14/2

so 432-147 = 285

This is very hard to explain in text and not on paper, but I will try to explain it the best I can.

So first get the length of the bottom of the triangle, so that would be 36in. Minus 21in. Which will give us the length of the bottom of the shaded region.

36-21= 15 in.

This next step isn’t necessary, but it makes solving for the area so much easier. Make the shaded region into two different shapes. So in this case, a square and then a right triangle.

So take the height on both sides on the shaded region, which would be..

24 - 14 = 10in.

Now, multiply the length by the height to solve for the area of the square and triangle.

Triangle area: 15(10)= 150 sq. in.

Square area: 15(14)= 210

Now add them together and then you get your answer.

210 + 150 = 360 sq. in.

The area of the shaded region is 360 sq. in.



The dot plots represent the number of absent students over 12 days in two classes.
Claus
Class o
0 1
B
9
7
Number of Absent Students
0
1
4 5 6
Number of Absent Students
Which statement is true?
The difference in the means is about 1 times the range of Class Q's data.
O The difference in the means is about 14 times the range of Class P's data.
The mean number of absent students in Class P is greater than the mean number of absent students in Class Q.
O The median number of absent students in Class P is greater than the median number of absent students in Class Q.
Calculator

Answers

okay i don’t know and i’m really sorry

What is the area?
(20 points)

Answers

Answer:

246 ft^2

Step-by-step explanation:

First, break it into smaller rectangles:

3*6=12

6*9=54

15*12=180

Add the areas together

12+54+180=246

The area of the figure is 246 ft^2

If the actual distance between two cities is 52 kilometers (km), then the distance on the map would be ? cm

Answers

Your answer in cm would be 5,200,000.
As 1km=100,000 cm

I’ve done question a. But can you help me on b and c

Answers

Answer:

Step-by-step explanation:

b) Diameter of Mercury = 4.88 * 10³ = 4.88 * 1000 = 4880 km

Radius of Mercury = 4880÷ 2 = 2440 km

c) Mass of Jupiter = 1.898 * 10²⁷ = 18.98 * 10²⁶

Mass of Saturn = 5.68 * 10²⁶

Difference  = 18.98 * 10²⁶ - 5.68*10²⁶

                   = (18.98 - 5.68) * 10²⁶

                   = 13.30 * 10²⁶

                   = 1.330 * 10²⁷

A DVD rental service wants to pay close attention to what movies their customers like the most. Which measure of central tendency will give them the best estimate? Explain.

Answers

Answer:

Mode.

Because it is used to determine the most frequently occurring item which in this case is movie.

Step-by-step explanation:

The 3 measure of central tendencies are namely;

Mean, median mode.

- Mean is defined as the average of a set of data.

- Median is the middle term of a set of data that splits that set of data into 2.

- Mode is the term that occurs most frequently in a set of data.

In this question, we want to find the movies most frequently watched.

Thus, from the definitions above earlier, it is clear that the only way to know this is using the mode.

The radius of a circle is 4.1 inches. What is the circle's circumference?​

Answers

Answer:

C≈25.76in

Step-by-step explanation:

It’s 25.76105975 or just 25.76

Use the absolute value function g(x)=|x−7|−6 to answer the questions.
Vertex: (__,__)
Axis of Symmetry: x = ___

(thank you SO much if you are answering this)

Answers

Answer:

Step-by-step explanation:

i dont see an image

What is the answer to this equation?
1/2 (4i+8)=-2

Answers

Answer:

If your looking for I the answer is -3

Step-by-step explanation:

Simplify both sides of the equation

1/2(4i+8)=-2       - Distribute

(1/2) (4i) + (1/2) (8) = -2

The subtract 4 from both sides

Then divide both sides by 2

Solve for the expression. What is the value of q?
5q + 23 = 178

Answers

Answer:

q=31

Step-by-step explanation:

5q = 178-23

5q = 155

q = 31

Answer:

31

Step-by-step explanation:

178-23=155

155/5= 31

whats 43.008625 as cent​

Answers

Answer:

43 cents. us coinage doesn't have decimals

Step-by-step explanation:

Answer:

43 cents

Step-by-step explanation:

43.008625 is 43 cents.

If you are talking about percentage, it is 4300.8625 %

F is inversely proportional to d^2. When F=9, d=4 Work out d (positive value rounded to 2 DP) when F=6

Answers

Answer:

d = 4.90

Step-by-step explanation:

Given the following data;

F = 9

d = 4

For an inversely proportional relationship, we have;

F = k/d²

Now, we would find the constant, k;

9 = k/4²

k = 9*16

k = 144

Next, to find d, when F = 6

d² = k/F

d² = 144/6

d² = 24

Taking the square root of both sides, we have;

d = 4.90

Make a the subject of the formula v=u+at

Answers

Answer:

a=(v-u)/t

Step-by-step explanation:

v=u+at

subtract u on both sides

v-u=at

divide both sides by t

(v-u)/t=a

or

a=(v-u)/t

Evaluate the following expression when m=16 and g = 4
g (9 – m) + 5
show ur work

Answers

sub in the numbers
4(9-16)+5
=4(-7)+5
=-28+5
=-23

Answer:

-23

Step-by-step explanation:

given: g(9-m)+5

substitute the values you have been given

4(9-16)+5

4(-7)+5

-28+5

=-23

1/3 (x-10) = -4 what is x

Answers

Step-by-step explanation:

1/3x-10/3=-4

1/3x=-4+10/3

1/3x=-2/3

x=-2

Answer:

Solve for x by simplifying both sides of the equation, then isolating the variable.

x = −2

HELPP ON GEOMETRY!! Plzzzz
But not links or I’ll report

Answers

247 is the correct answer!

what is the formula of this volume ​

Answers

the answer is B because the formula to find a sphere is V= 4/3 πr3



hope this helped


(PLEASE ANSWER BEFORE 12:00 TONIGHT (March 29) TY!!)
consider a rectangular prism with length 4 and width and height d

Find an expression for the volume of the prisms in terms of d.

2. compute the volume of the prism when d=1, when d=2, and when d=1/2

Answers

Answer:

Step-by-step explanation:

The expression for the volume of the prisms in terms of d is 4d².

What is a volume?

Volume is the amount of space occupied by a three dimensional shape or object. For a rectangular prism:

Volume = length * width * height

From the diagram, length = 4, width = d, height = d. Hence:

Volume = 4 * d * d = 4d²

When d = 1: Volume = 4(1)² = 4

When d = 2: Volume = 4(2)² = 16

When d = 1/2: Volume = 4(1/2)² = 1

The expression for the volume of the prisms in terms of d is 4d².

Find out more on volume at: https://brainly.com/question/12410983

Answers this question PLZ

Answers

Answer:

A. 4x/3

Step-by-step explanation:

Because it is the "Correct Answer"

Answer:

A. 4x/3

Step-by-step explanation:

Because it is the "Correct Answer"


Select all that are equivalent to a^2/a^9
Assume a \= 0
1
1
DONE

Answers

0^2/0^9 = 0/0, therefore your answer is 1/1 considering that it is a fraction that is 100%, but if you divide 0 by 0, according to Keith’s theory you should have an endless number aka Infinity.

variable of context need answer please

Answers

Answer is in file linked

A triangle has sides with lengths of 20 centimeters, 48 centimeters, and 54 centimeters. Is the triangle a right triangle?

Answers

48 20 and 54 it going to make it all together it’s just 128

a recipe calls for 2/3 cup of sugar for ever 2 teaspoons of vanilla. how much sugar should be used for beery 1 teaspoon of vanilla

Answers

2/3cups 2 teaspoons

(2/3)cups/2teaspoons=1/3cups per teaspoon

Answer=1/3 cups per teaspoon

A chef uses one-half of his spices when cooking breakfast. two-thirds of the spices he uses of breakfast are used when making omelets. what proportion of his total spices are used on making omelets?

Answers

Answer:

1/3

Step-by-step explanation:

1/2 of spices

1/2 * 2/3 = 2/6 = 1/3

1/3



Hope u got it right
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